Home · NSN 01-524-7138

NSN 01-524-7138 — Eyelet,Turnlock Fastener

NIIN 01-524-7138 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-524-7138 is the national stock number for an eyelet,turnlock fastener. It cross-references to 1 manufacturer part number from 3 CAGE codes, including The Boeing Company, Leonardo Spa Helicopters Division - Production Site; the primary is BACG20X4. The unit of issue is EA and the FLIS list price is $2.91.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.

part number from 3 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
BACG20X4	17765	The Boeing Company	3 · Design control (vendor)	2 · Fully interchangeable
BACG20X4	81205	The Boeing Company	5 · Secondary reference	9 · Reference only
BACG20X4	A0126	Leonardo Spa Helicopters Division - Production Site	5 · Secondary reference	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 BACG20X4.

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

DLA management data

FLIS unit price: $2.91
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Eyelet Height: INCHES MINIMUM 0.192 AND INCHES MAXIMUM 0.202
Distance Between Flanges: INCHES MINIMUM 0.143 AND INCHES MAXIMUM 0.150
Smallest Outside Diameter: INCHES MINIMUM 0.467 AND INCHES MAXIMUM 0.473
Largest Outside Diameter: INCHES MINIMUM 0.617 AND INCHES MAXIMUM 0.625
Eyelet Inside Diameter: INCHES MINIMUM 0.351 AND INCHES MAXIMUM 0.625
Material: OVERALL STEEL COMP 1144
Material Document And Classification: OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-S-637 GR. 1144
Surface Treatment: OVERALL CADMIUM
Surface Treatment Document And Classification: OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416, TY II, CL 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.