Home · NSN 00-538-7139

NSN 00-538-7139 — Nut,Self-Locking,Spline

NIIN 00-538-7139 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 00-538-7139 is the national stock number for a nut,self-locking,spline. It cross-references to 4 manufacturer part numbers from 3 CAGE codes, including Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Northrop Grumman Systems Corporation, Raytheon Company; the primary is 002-004261-013. The unit of issue is EA and the FLIS list price is $18.57.

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 numbers 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
M45938/5-5C	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	2 · Item ident. reference	2 · Fully interchangeable
MIL-N-45938/5A	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	4	1 · Not fully interchangeable
002-004261-013	26916	Northrop Grumman Systems Corporation	5 · Secondary reference	1 · Not fully interchangeable
58988-15	96214	Raytheon Company	5 · Secondary reference	1 · Not 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 002-004261-013.

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

DLA management data

FLIS unit price: $18.57
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Thread Class: 3B
Thread Direction: RIGHT-HAND
Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
Pilot Diameter: INCHES MINIMUM 0.190 AND INCHES MAXIMUM 0.194
Pilot Length: INCHES MINIMUM 0.037 AND INCHES MAXIMUM 0.043
Lubrication: DRY FILM LUBRICANT
Nut Diameter: INCHES MINIMUM 0.276 AND INCHES MAXIMUM 0.286
Nut Height: INCHES NOMINAL 0.170
Temp Rating: FAHRENHEIT NOMINAL 250.0
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch: 32
Nominal Thread Size: INCHES 0.138
Material: LOCKING INSERT PLASTIC
Material: NUT STEEL COMP 303
Material Document And Classification: NUT FED SPEC SINGLE MATERIAL RESPONSE 66,AISI 303 TO SAE 30303
Surface Treatment: OVERALL EXCEPT INSERT PASSIVATE
Surface Treatment Document And Classification: OVERALL EXCEPT INSERT FED SPEC SINGLE TREATMENT RESPONSE QQ--35

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.