Home · FSC 5305 Screws · NSN 5305-01-073-1488

NSN 5305-01-073-1488 — Screw,Shoulder

NIIN 01-073-1488 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 5305-01-073-1488 is the national stock number for a screw,shoulder in federal supply class 5305 (Screws). It cross-references to 1 manufacturer part number from 2 CAGE codes, including National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use, Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M; the primary is MS51975-50. The unit of issue is EA and the FLIS list price is $236.87.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on August 26, 2026 for $1,282 from Quality Socket Screw Manufacturing Corp. 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.

part number from 2 CAGEs

open solicitations, all agencies

government buy in 24 months

sellers with confirmed stock

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Cross-references

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

Part number	CAGE	Manufacturer	Reference	Variation
MS51975-50	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	2 · Fully interchangeable
MS51975-50	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only

Government demand

Nothing open right now. Last government buy Aug 26, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Aug 26, 2026	Quality Socket Screw Manufacturing Corp 5N116			$1,282	Dla	SPE4A626P0AL7

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 MS51975-50.

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

DLA management data

FLIS unit price: $236.87
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Thread Class: 3A
Thread Direction: RIGHT-HAND
Thread Length: INCHES MINIMUM 0.720 AND INCHES MAXIMUM 0.750
Fastener Length: INCHES MINIMUM 3.675 AND INCHES MAXIMUM 3.755
Head Diameter: INCHES MINIMUM 0.853 AND INCHES MAXIMUM 0.875
Head Height: INCHES MINIMUM 0.365 AND INCHES MAXIMUM 0.375
Shoulder Diameter: FIRST SHOULDER INCHES MINIMUM 0.621 AND INCHES MAXIMUM 0.623
Shoulder Length: FIRST SHOULDER INCHES MINIMUM 2.995 AND INCHES MAXIMUM 3.005
Single Shear Strength: POUNDS PER SQUARE INCH (PSI) 84000
Nominal Thread Diameter: INCHES 0.500
Width Across Flats: INCHES NOMINAL 0.312
Thread Quantity Per Inch: 13
Minimum Tensile Strength: POUNDS PER SQUARE INCH 140000
Hardness Rating: OVERALL ROCKWELL C MINIMUM 32.0 AND ROCKWELL C MAXIMUM 43.0
Shoulder Shape: FIRST SHOULDER ROUND
Material: OVERALL STEEL
Material Document And Classification: OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-21472
Surface Treatment: OVERALL CADMIUM AND CHROMATE
Surface Treatment Document And Classification: OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TYE2,CLASS3
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)

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.