Home · FSC 5305 Screws · NSN 5305-00-637-9525

NSN 5305-00-637-9525 — Screw,Cap,Hexagon Head

NIIN 00-637-9525 · unit of issue HD · AAC Z (insurance item) · source of supply SMS

NSN 5305-00-637-9525 is the national stock number for a screw,cap,hexagon head in federal supply class 5305 (Screws). It cross-references to 3 manufacturer part numbers from 3 CAGE codes, including National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use, Northrop Grumman Systems Corporation, Zf Industrieantriebe Witten Gmbh; the primary is 947556-505. The unit of issue is HD and the FLIS list price is $161.12.

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 $2,420 from Boeing Distribution Services X, Inc.. 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 numbers from 3 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
NAS501-4-5A	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	2 · Fully interchangeable
947556-505	06481	Northrop Grumman Systems Corporation	C	1 · Not fully interchangeable
NAS-501-4-5A	D9182	Zf Industrieantriebe Witten Gmbh	C	1 · Not fully interchangeable

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	Boeing Distribution Services X, Inc. 2N935			$2,420	Dla	SPE4A626V340Y

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 947556-505.

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

DLA management data

FLIS unit price: $161.12
Unit of issue: HD
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 0.367 AND INCHES MAXIMUM 0.512
Fastener Length: INCHES MINIMUM 0.641 AND INCHES MAXIMUM 0.688
Head Height: INCHES MINIMUM 0.140 AND INCHES MAXIMUM 0.172
Width Between Flats: INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.440
Nominal Thread Diameter: INCHES 0.250
Thread Quantity Per Inch: 28
Material: OVERALL STEEL COMP 321 OR STEEL COMP 347
Material Document And Classification: OVERALL FED SPEC ALL MATERIAL RESPONSES QQ-S-763
Surface Treatment: OVERALL PASSIVATE
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.