Home · FSC 5305 Screws · NSN 5305-00-021-3620

NSN 5305-00-021-3620 — Screw,Cap,Hexagon Head

NIIN 00-021-3620 · unit of issue PG · AAC Z (insurance item) · source of supply SMS

NSN 5305-00-021-3620 is the national stock number for a screw,cap,hexagon head in federal supply class 5305 (Screws). It cross-references to 21 manufacturer part numbers from 22 CAGE codes, including Rockwell Collins, Inc., National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use, Arlington Fastner Co; the primary is 1/4-20 X 7/8 HEX. The unit of issue is PG and the FLIS list price is $18.58.

The U.S. government has bought this item 20 times on record, 4 of them in the last 24 months, most recently on October 19, 2025 at $16.13 each from Noble Supply & Logistics, LLC. The median unit price paid over 36 months is $16.09. 1 solicitation is open right now, the soonest due October 2, 2026 for 97 PG. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

21

part numbers from 22 CAGEs

1

open solicitation, all agencies

4

government buys in 24 months · median $16.09

0

sellers with confirmed stock

Watch NSN 5305-00-021-3620: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part numberCAGEManufacturerReferenceVariation
326-0952-00013499Rockwell Collins, Inc.3 · Design control (vendor)2 · Fully interchangeable
MS35307-30780205National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use3 · Design control (vendor)2 · Fully interchangeable
1/4-20 X 7/8 HEX9H691Arlington Fastner Co5 · Secondary reference9 · Reference only
1/4-20 X 7/8 HEX8A015Nyf/New York Fasteners/Corp5 · Secondary reference2 · Fully interchangeable
1/4-20 X 7/8 HEX83338Tw Metals Inc5 · Secondary reference9 · Reference only
326-0952-0013499Rockwell Collins, Inc.5 · Secondary reference2 · Fully interchangeable
5000 08500704801L3harris Maritime Power & Energy Solutions, Inc5 · Secondary reference2 · Fully interchangeable
5007-13626344New Haven Mfg Corp5 · Secondary reference9 · Reference only
645A560H0797942Northrop Grumman Systems Corporation5 · Secondary reference9 · Reference only
645A560H0748306Northrop Grumman Support Services Corp5 · Secondary reference2 · Fully interchangeable
652-548826687Teledyne Brown Engineering, Inc.5 · Secondary reference2 · Fully interchangeable
8734277-398749Sacramento Air Logistics Center Sm-Alc/Liil5 · Secondary reference9 · Reference only
HVA95-032-1304845Automatic Switch Company Dba Asco5 · Secondary reference2 · Fully interchangeable
HVA95-032-13-04845D0971Zimmermann, Richard Kg5 · Secondary reference9 · Reference only
MS35307-30796906Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
N955376761C E Niehoff & Co5 · Secondary reference2 · Fully interchangeable
5305PL13430829009HJednolity Indeks Materialowy - Uniform Material Index69 · Reference only
1C6890P0507482General Electric CompanyC1 · Not fully interchangeable
306-201409F512Parker-Hannifin CorporationC1 · Not fully interchangeable
330C889A4020D1497942Northrop Grumman Systems CorporationC1 · Not fully interchangeable
424070-180020Naval Air Warfare Center Aircraft Division, LakehurstC1 · Not fully interchangeable
9354311411939Kidde Fire Fighting, Inc.C1 · Not fully interchangeable
F22707X7/896344Codalex LtdC1 · Not fully interchangeable
M19-20873 PC NO 2219F512Parker-Hannifin CorporationC1 · Not fully interchangeable
MS35307-807D9182Zf Industrieantriebe Witten GmbhC1 · Not fully interchangeable

Government demand

Open DLA RFQs (DIBBS)

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Oct 19, 2025Noble Supply & Logistics, LLC 1HEN953$16.13DlaSPE4A526FA91F
Oct 19, 2025Noble Supply & Logistics, LLC 1HEN96$16.13DlaSPE4A526FA91E
Aug 17, 2025Noble Supply & Logistics, LLC 1HEN996$16.13DlaSPE4A525FB9BD
Aug 14, 2025Noble Supply & Logistics, LLC 1HEN926$16.13DlaSPE4A525FB7NK
Sep 9, 2024Noble Supply & Logistics, LLC 1HEN9744$13.45DlaSPE4A624FZA9N
Jan 21, 2024Noble Supply & Logistics, LLC 1HEN96$16.09DlaSPE4A624FZ4H0
Jan 21, 2024Noble Supply & Logistics, LLC 1HEN91$16.09DlaSPE4A624FZ4F9
Jan 20, 2024Noble Supply & Logistics, LLC 1HEN91$16.09DlaSPE4A624FZ4E8
Jan 20, 2024Noble Supply & Logistics, LLC 1HEN91$16.09DlaSPE4A624FZ4E7
Oct 12, 2023Noble Supply & Logistics, LLC 1HEN91$16.09DlaSPE4A624FA0ZK
Jan 20, 2023Boeing Distribution Services, Inc. 2V4841,647$0.30DlaSPE4A623V7444
Oct 15, 2021Defense Support Services, Inc. 1L3U422,249$0.26DlaSPE4A622F1747
Oct 15, 2021Defense Support Services, Inc. 1L3U43,102$0.26DlaSPE4A622F1746
Sep 27, 2021Defense Support Services, Inc. 1L3U422,249$0.26DlaSPE4A621F551N
Sep 27, 2021Defense Support Services, Inc. 1L3U43,102$0.26DlaSPE4A621F551M
Sep 26, 2019Defense Support Services, Inc. 1L3U41,572$0.21DlaSPE5EY19F430J
Aug 14, 2019Defense Support Services, Inc. 1L3U49,148$0.21DlaSPE5EY19F279L
Aug 14, 2019Defense Support Services, Inc. 1L3U41,169$0.21DlaSPE5EY19F279K
Aug 14, 2019Defense Support Services, Inc. 1L3U4216$0.21DlaSPE5EY19F279J
Apr 4, 2019Century Fasteners Corp 8R63930,590$0.16DlaSPE5E319V7059

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 20 buys on record in total.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 1/4-20 X 7/8 HEX.

Request 1/4-20 X 7/8 HEX

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Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price
$18.58
Unit of issue
PG
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Thread Class
2A
Thread Direction
RIGHT-HAND
Thread Length
INCHES MAXIMUM 0.875
Fastener Length
INCHES NOMINAL 0.875
Head Height
INCHES MINIMUM 0.150 AND INCHES MAXIMUM 0.163
Width Between Flats
INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.438
End Item Identification
MRAP - COUGAR CAT1 A1; MRAP - M-ATV WITH CS13 POP AND SNE; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
Nominal Thread Diameter
INCHES 0.250
Thread Quantity Per Inch
20
Minimum Tensile Strength
POUNDS PER SQUARE INCH 80000
Material
OVERALL STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
Material Document And Classification
OVERALL FED STD ALL MATERIAL RESPONSES 66
Proprietary Characteristics
PACS
Surface Treatment
OVERALL PASSIVATE
Surface Treatment Document And Classification
OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35
Thread Series Designator
UNIFIED NATIONAL COARSE (UNC)

Related stock numbers

Other NSNs filed under the same part numbers.

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.

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