Home · NSN 01-290-2724

NSN 01-290-2724 — Stud Assembly,Turnlock Fastener

NIIN 01-290-2724 · unit of issue EA · AAC P · source of supply SMS

NSN 01-290-2724 is the national stock number for a stud assembly,turnlock fastener. It cross-references to 1 manufacturer part number from 1 CAGE code, including The Boeing Company; the primary is BACS21X9AR. The unit of issue is EA and the FLIS list price is $28.37.

No government purchase of this stock number is on our record yet. 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 1 CAGE

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government buys in 24 months

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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
BACS21X9AR	81205	The Boeing Company	3 · Design control (vendor)	2 · Fully interchangeable

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

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

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 BACS21X9AR.

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

DLA management data

FLIS unit price: $28.37
Unit of issue: EA
Acquisition advice: P
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Diameter: INCHES MINIMUM 0.377 AND INCHES MAXIMUM 0.384
Distance From Engaging Member To Largest Bearing Surface Of Head: INCHES MINIMUM 0.693 AND INCHES MAXIMUM 0.723
Eyelet Outside Diameter: INCHES MINIMUM 0.412 AND INCHES MAXIMUM 0.427
Eyelet Length: INCHES MINIMUM 0.402 AND INCHES MAXIMUM 0.422
Material Accommodated Thickness: INCHES NOMINAL 0.188
Drive Type: CROSS RECESS
Material: EJECTOR SPRING COBALT ALLOY
Material: STUD IRON ALLOY 660
Material: CAP COPPER ALLOY
Material: PIN COBALT ALLOY
Material Document And Classification: CAP FED SPEC SINGLE MATERIAL RESPONSE QQ-C-530 OR FED SPEC SINGLE MATERIAL RESPONSE QQ-C-533
Material Document And Classification: STUD ASSN STD SINGLE MATERIAL RESPONSE A-S5525 AND ASSN STD SINGLE MATERIAL RESPONSE A-S5731
Surface Treatment: STUD CADMIUM AND CHROMATE
Surface Treatment: CAP CADMIUM AND CHROMATE
Surface Treatment Document And Classification: STUD FED SPEC 1ST TREATMENT RESPONSE QQ--416 TY2 CL2
Surface Treatment Document And Classification: CAP FED SPEC 1ST TREATMENT RESPONSE QQ--416 TY2 CL2

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.