Home · FSC 5305 Screws · NSN 5305-01-059-1956

NSN 5305-01-059-1956 — Screw,Close Tolerance

NIIN 01-059-1956 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 5305-01-059-1956 is the national stock number for a screw,close tolerance in federal supply class 5305 (Screws). It cross-references to 1 manufacturer part number from 14 CAGE codes, including Howmet Global Fastening Systems Inc, Sps Technologies LLC, Sps Technologies, LLC; the primary is BACB30LU4-32. The unit of issue is EA and the FLIS list price is $5.93.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 28, 2026 for $664 from Aero-Glen International LLC. 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.

1

part number from 14 CAGEs

0

open solicitations, all agencies

1

government buy in 24 months

0

sellers with confirmed stock

Watch NSN 5305-01-059-1956: 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
BACB30LU4-321RC86Howmet Global Fastening Systems Inc3 · Design control (vendor)2 · Fully interchangeable
BACB30LU4-3227624Sps Technologies LLC3 · Design control (vendor)2 · Fully interchangeable
BACB30LU4-3206725Sps Technologies, LLC3 · Design control (vendor)2 · Fully interchangeable
BACB30LU4-3206950Howmet Global Fastening Systems Inc3 · Design control (vendor)2 · Fully interchangeable
BACB30LU4-3206710Valley-Todeco, Inc.3 · Design control (vendor)2 · Fully interchangeable
BACB30LU4-3217446Huck International, Inc3 · Design control (vendor)2 · Fully interchangeable
BACB30LU4-3217943Federal Manufacturing Corp3 · Design control (vendor)2 · Fully interchangeable
BACB30LU4-3280539Sps Technologies, LLC Dba Aerospace Fasteners Group Div Aerospace - Santa Ana3 · Design control (vendor)2 · Fully interchangeable
BACB30LU4-3292215Howmet Global Fastening Systems Inc Div Torrance Operations3 · Design control (vendor)2 · Fully interchangeable
BACB30LU4-3256878Sps Technologies, LLC5 · Secondary reference2 · Fully interchangeable
BACB30LU4-3257928Sonic Industries, Inc.5 · Secondary reference2 · Fully interchangeable
BACB30LU4-3281205The Boeing Company5 · Secondary reference2 · Fully interchangeable
BACB30LU4-3297928Huck Intl Inc5 · Secondary reference9 · Reference only
BACB30LU4-329N513Voi-Shan/Chatsworth Div Of Vsi Corp Sub Of Fairchild Industries Inc5 · Secondary reference9 · Reference only

Government demand

Nothing open right now. Last government buy Sep 28, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Sep 28, 2026Aero-Glen International LLC 9V172$664DlaSPE4A626PU302 » Award/Basic Package View

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy 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 BACB30LU4-32.

Request BACB30LU4-32

No account needed. Goes to the sellers who carry this number or its family.

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

DLA management data

FLIS unit price
$5.93
Unit of issue
EA
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Thread Class
3A
Thread Direction
RIGHT-HAND
Thread Length
INCHES MINIMUM 0.400 AND INCHES MAXIMUM 0.450
Fastener Length
INCHES MINIMUM 2.410 AND INCHES MAXIMUM 2.440
Head Diameter
INCHES MINIMUM 0.455 AND INCHES MAXIMUM 0.510
Grip Diameter
INCHES MINIMUM 0.2485 AND INCHES MAXIMUM 0.2495
Nominal Thread Diameter
INCHES 0.250
Grip Length
INCHES MINIMUM 1.990 AND INCHES MAXIMUM 2.010
Thread Quantity Per Inch
28
Countersink Angle
DEGREES NOMINAL 100.0
Surface Finish
THREADS MICROINCHES 32.0
Surface Finish
GRIP MICROINCHES 32.0
Material
OVERALL STEEL COMP E4340 OR STEEL COMP 8740
Surface Treatment
OVERALL CADMIUM AND CHROMATE
Surface Treatment Document And Classification
OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TYE 2,CLASS 2
Thread Series Designator
UNF

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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