Home · FSC 5305 Screws · NSN 5305-01-416-5478

NSN 5305-01-416-5478 — Screw,Cap,Socket Head

NIIN 01-416-5478 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 5305-01-416-5478 is the national stock number for a screw,cap,socket head in federal supply class 5305 (Screws). It cross-references to 2 manufacturer part numbers from 2 CAGE codes, including National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use, Northrop Grumman Systems Corporation; the primary is 1135E39FN29. The unit of issue is EA and the FLIS list price is $9.42.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on August 20, 2026 for $45 from Spec Tech Usa 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 2 CAGEs

open solicitations, all agencies

government buy in 24 months

sellers with confirmed stock

Know someone who should see this?

Cross-references

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

Part number	CAGE	Manufacturer	Reference	Variation
NAS1352N4LL8	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	2 · Fully interchangeable
1135E39FN29	90099	Northrop Grumman Systems Corporation	5 · Secondary reference	2 · Fully interchangeable

Government demand

Nothing open right now. Last government buy Aug 20, 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 20, 2026	Spec Tech Usa Inc 3LRU1			$45	Dla	SPE4A626V325U

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 1135E39FN29.

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

DLA management data

FLIS unit price: $9.42
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 0.500
Fastener Length: INCHES NOMINAL 0.500
Head Diameter: INCHES MINIMUM 0.365 AND INCHES MAXIMUM 0.375
Head Height: INCHES MINIMUM 0.244 AND INCHES MAXIMUM 0.250
Locking Feature: THREADS STRIP
Nominal Thread Diameter: INCHES 0.250
Width Across Flats: INCHES MINIMUM 0.187 AND INCHES MAXIMUM 0.190
Thread Quantity Per Inch: 20
Material: OVERALL IRON ALLOY 660
Material Document And Classification: OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5731 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737
Surface Treatment: OVERALL PASSIVATE
Thread Series Designator: UNRC
Specification/Standard Data: PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1352

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.