Home · NSN 01-531-3950

NSN 01-531-3950 — Nut,Self-Locking,Hexagon

NIIN 01-531-3950 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 01-531-3950 is the national stock number for a nut,self-locking,hexagon. It cross-references to 3 manufacturer part numbers from 3 CAGE codes, including Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M, Ncb Hungary (Honvedsegi Egyseges Termekkod); the primary is 456720122606. The unit of issue is EA and the FLIS list price is $0.31.

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 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
M45913/2-4CG8Z	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-DTL-45913/2	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	4	1 · Not fully interchangeable
M45913/2-4CG8Z	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
456720122606	0000V	Ncb Hungary (Honvedsegi Egyseges Termekkod)	6	9 · Reference only

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 456720122606.

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

DLA management data

FLIS unit price: $0.31
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Class: 2B
Thread Direction: RIGHT-HAND
Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
Lubrication: DRY FILM LUBRICANT
Nut Height: INCHES MINIMUM 0.212 AND INCHES MAXIMUM 0.288
End Item Identification: M939 FOV; M915A1 ARMOR KIT NSN 2540-01-527-1418;RG-33 MRAP; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
Width Across Flats: INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.439
Temp Rating: FAHRENHEIT NOMINAL 250.0
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch: 20
Nominal Thread Size: INCHES 0.250
Bearing Surface Type: CHAMFERED OR WASHER FACED
Bearing Surface Finish: MICROINCHES 125.0
Material: OVERALL STEEL
Material Document And Classification: OVERALL ASSN STD SINGLE MATERIAL RESPONSE SAEJ995,GR5
Surface Treatment: OVERALL ZINC

Related stock numbers

Other NSNs filed under the same part numbers.

00-067-6356 · Nut,Self-Locking,Hexagon
00-069-4217 · Nut,Self-Locking,Hexagon
00-161-0654 · Nut,Self-Locking,Hexagon
00-832-9719 · Nut,Self-Locking,Hexagon
00-902-0183 · Nut,Self-Locking,Hexagon
00-959-1488 · Nut,Self-Locking,Hexagon
01-006-3907 · Nut,Self-Locking,Hexagon
01-034-2835 · Nut,Self-Locking,Hexagon

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.