Home · FSC 5305 Screws · NSN 5305-01-423-7138

NSN 5305-01-423-7138 — Screw,Cap,Hexagon Head

NIIN 01-423-7138 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

Buying rhythm

from 8 government buys since 2017

The government has bought this item about every 6 months (irregular, gaps vary ±145%). Last buy Sep 28, 2026. The gaps are too uneven to put a window on the next one. 1 solicitation is open right now.

How well this works: for irregular items, "next buy about one typical gap after the last, give or take 152 days" caught the actual next buy 31% of the time across 21,749 past buys, against 24% for a fixed "one year later" guess. A rhythm, not a schedule: DLA buys when stock and demand say so. Every item due for a buy now.

NSN 5305-01-423-7138 is the national stock number for a screw,cap,hexagon head in federal supply class 5305 (Screws). It cross-references to 2 manufacturer part numbers from 2 CAGE codes, including American National Standards Institute Incorporated, U S Army Tank Automotive Command Amsta-Im-Mm; the primary is 12485434-056. The unit of issue is EA and the FLIS list price is $0.88.

The U.S. government has bought this item 17 times on record, 1 of them in the last 24 months, most recently on September 28, 2026 for $324 from Karen Carlisle. 1 solicitation is open right now, the soonest due September 29, 2026 for 103 EA. 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 solicitation, 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
B18231B05010N	80204	American National Standards Institute Incorporated	3 · Design control (vendor)	2 · Fully interchangeable
12485434-056	19207	U S Army Tank Automotive Command Amsta-Im-Mm	5 · Secondary reference	9 · Reference only

Government demand

Open DLA RFQs (DIBBS)

SPE4A626T34TC · 103 EA · due Sep 29, 2026 · N · AMSC G · DIBBS

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Sep 28, 2026	Karen Carlisle 8A1E8			$324	Dla	SPE4A626V409Z » Award/Basic Package View
Nov 10, 2020	Karen Carlisle 8A1E8	541	$0.63		Dla	SPE4A621V4362
Nov 20, 2019	Karen Carlisle 8A1E8	170	$1.83		Dla	SPE5E220V1198
Aug 20, 2019	Huntsville Fastener & Supply Inc 083L8	106	$2.00		Dla	SPE5E219V8915
Oct 2, 2018	Karen Carlisle 8A1E8	145	$2.65		Dla	SPE5E219V0083
Jul 27, 2018	Huntsville Fastener & Supply Inc 083L8	31	$5.50		Dla	SPE5E218V9832
Feb 15, 2018	Huntsville Fastener & Supply Inc 083L8	64	$4.00		Dla	SPE5E218V4394
Aug 7, 2017	Huntsville Fastener & Supply Inc 083L8	109	$2.75		Dla	SPE5E217V9823
Aug 1, 2015	Boeing Distribution Services Defense LLC 3G1W3	53	$8.60		Dla	SPE5E215V9215
Apr 20, 2015	Boeing Distribution Services Defense LLC 3G1W3	74	$8.00		Dla	SPE5E215V5386
Jul 11, 2014	Huntsville Fastener & Supply Inc 083L8	10	$10.00		Dla	SPE5E214M1655
Jun 30, 2014	Boeing Distribution Services Defense LLC 3G1W3	11	$16.80		Dla	SPE5E214M1571
Jun 10, 2014	Boeing Distribution Services Defense LLC 3G1W3	12	$16.80		Dla	SPE5E214M1373
May 16, 2014	Huntsville Fastener & Supply Inc 083L8	10	$10.00		Dla	SPE5E214V7541
Dec 8, 2007	Bek, Inc. 17283	100	$15.00		Dla	SPM8E608M1005
Nov 10, 2007	Preci-Manufacturing, Incorporated 66841	81	$37.00		Dla	SPM8E008V0316
Jan 18, 2001	Britmar Inc 0ABX9	10	$110.00		Dla	SP050001AA8540334

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 17 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 12485434-056.

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

DLA management data

FLIS unit price: $0.88
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Direction: RIGHT-HAND
Thread Length: MILLIMETERS NOMINAL 10.0
Fastener Length: MILLIMETERS NOMINAL 10.0
Head Height: MILLIMETERS MINIMUM 3.35 AND MILLIMETERS MAXIMUM 3.65
Width Between Flats: MILLIMETERS MINIMUM 7.78 AND MILLIMETERS MAXIMUM 8.00
Nominal Thread Diameter: MILLIMETERS 5.0
Thread Pitch In Millimeters: 0.8
External Thread Tolerance Class: 6H
Material: OVERALL STEEL PROPERTY CLASS 10.9
Surface Treatment: OVERALL ZINC AND CHROMATE
Surface Treatment Document And Classification: OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ-Z-325, TY2,CL3
Thread Series Designator: M

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.