Home · FSC 5325 Fastening Devices · NSN 5325-01-042-2999

NSN 5325-01-042-2999 — Stud,Turnlock Fastener

NIIN 01-042-2999 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 5325-01-042-2999 is the national stock number for a stud,turnlock fastener in federal supply class 5325 (Fastening Devices). It cross-references to 2 manufacturer part numbers from 2 CAGE codes, including Howmet Global Fastening Systems Inc., Northrop Grumman Systems Corporation; the primary is CA17031-2HS. The unit of issue is EA and the FLIS list price is $29.25.

The U.S. government has bought this item 5 times on record, most recently on March 28, 2022 at $20.95 each from Howmet Global Fastening Systems Inc. 2 solicitations are open right now, the soonest due October 2, 2026 for 848 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 solicitations, all agencies

government buys 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
CA17031-2HS	29372	Howmet Global Fastening Systems Inc.	3 · Design control (vendor)	2 · Fully interchangeable
GS520BG2HS	26512	Northrop Grumman Systems Corporation	7 · Replaced/superseded	2 · Fully interchangeable

Government demand

Open DLA RFQs (DIBBS)

SPE4A626U4248 · 848 EA · due Oct 2, 2026 · N · AMSC C · DIBBS

Open notices, other agencies (SAM.gov)

Defense Logistics Agency · Dla Aviation · STUD,TURNLOCK FASTENER · due Oct 2, 2026 · Combined Synopsis/Solicitation

What the government paid

Date	Vendor	Qty	Unit cost	Buyer	Reference
Mar 28, 2022	Howmet Global Fastening Systems Inc 5R793	748	$20.95	Dla	SPE4A522V1591
May 4, 2021	Century Fasteners Corp 8R639	542	$21.00	Dla	SPE4A621PJ193
Sep 17, 2018	Century Fasteners Corp 8R639	1,000	$19.00	Dla	SPE5E418V033X
Aug 31, 2018	Aviarms Support Corp 58985	488	$5.11	Dla	SPE5E418V011V
Aug 4, 1977	Imperial Air Parts Inc 8B565	50	$3.54	Dla	DSA50077A02510265

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 5 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 CA17031-2HS.

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

DLA management data

FLIS unit price: $29.25
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Effective: Apr 1, 2026

Item characteristics

Grip Length: INCHES MAXIMUM 0.290
Diameter: INCHES MINIMUM 0.490
Securing Device Type: RING
Extension Length: INCHES NOMINAL 0.300
Material Accommodated Thickness: INCHES MINIMUM 0.221 AND INCHES MAXIMUM 0.290
Stud Thread Size And Series/Type Designator: UNF 0.250-28
Stud Shank Major Diameter: INCHES MINIMUM 0.3730 AND INCHES MAXIMUM 0.3745
Material: OVERALL STEEL COMP 8740 OR STEEL COMP 4140
Material Document And Classification: OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-6049 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5626
Surface Treatment: OVERALL CADMIUM AND CHROMATE
Surface Treatment Document And Classification: OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TYE 2,CLAASS 2

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.