Home · NSN 01-623-2180

NSN 01-623-2180 — Stud,Self-Locking

NIIN 01-623-2180 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-623-2180 is the national stock number for a stud,self-locking. It cross-references to 1 manufacturer part number from 1 CAGE code, including National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use; the primary is M63540/1-53C. The unit of issue is EA and the FLIS list price is $8.50.

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

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
M63540/1-53C	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	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 M63540/1-53C.

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

DLA management data

FLIS unit price: $8.50
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Class: 2A
Thread Direction: NUT THREAD RIGHT-HAND
Thread Length: NUT THREAD INCHES NOMINAL 0.725
Head Diameter: INCHES MINIMUM 0.361 AND INCHES MAXIMUM 0.391
Head Length: INCHES MAXIMUM 0.150
Locking Feature: SELF-CLINCHING HEAD
Overall Length: INCHES MINIMUM 0.860 AND INCHES MAXIMUM 0.890
End Item Identification: 2350-01-305-0028
Thread Quantity Per Inch: 18
Hardness Rating: BRINELL STANDARD MINIMUM 171.0
Nominal Thread Size: NUT THREAD INCHES 0.313
Part Name Assigned By Controlling Agency: STUD,SELF-LOCKING,FLUSH HEAD,RIBBED CLINCH TYPE
Material: STEEL CORROSION RESISTING OR STEEL COMP 303 OR STEEL COMP 303SE
Material Document And Classification: ASSN STD 1ST MATERIAL RESPONSE AST- A493 OR ASSN STD 2ND MATERIAL RESPONSE AST- A582 TO A582- OR ASSN STD 3RD MATERIAL RESPONSE AST- A582 TO A582-
Surface Treatment: OVERALL PASSIVATE
Surface Treatment Document And Classification: OVERALL ASSN STD SINGLE TREATMENT RESPONSE CLEANED,DESCALED AND ASSIVATED IAW AST- A380
Thread Series Designator: NUT THREAD UNIFIED NATIONAL COARSE (UNC)
Specification/Standard Data: PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS-63540 TO 1

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.