Home · NSN 00-241-6640

NSN 00-241-6640 — Nut,Self-Locking,Hexagon

NIIN 00-241-6640 · unit of issue PG · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 00-241-6640 is the national stock number for a nut,self-locking,hexagon. It cross-references to 5 manufacturer part numbers from 3 CAGE codes, including Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M, Cnh Industrial America LLC, Zf Industrieantriebe Witten Gmbh; the primary is 131-471. The unit of issue is PG and the FLIS list price is $61.58.

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
MS16228-6C	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	2 · Item ident. reference	2 · Fully interchangeable
131-471	10988	Cnh Industrial America LLC	C	1 · Not fully interchangeable
298538	D9182	Zf Industrieantriebe Witten Gmbh	C	1 · Not fully interchangeable
MS16229-3C	D9182	Zf Industrieantriebe Witten Gmbh	C	1 · Not fully interchangeable
T8004943-7	D9182	Zf Industrieantriebe Witten Gmbh	C	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 131-471.

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

DLA management data

FLIS unit price: $61.58
Unit of issue: PG
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Thread Class: 3B
Thread Direction: RIGHT-HAND
Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
Nut Height: INCHES MINIMUM 0.391 AND INCHES MAXIMUM 0.421
End Item Identification: TEST
Width Across Flats: INCHES MINIMUM 0.679 AND INCHES MAXIMUM 0.690
Temp Rating: FAHRENHEIT NOMINAL 250.0
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch: 16
Nominal Thread Size: INCHES 0.375
Countersink Angle: NUT DEGREES NOMINAL 88.0
Bearing Surface Type: CHAMFERED
Bearing Surface Finish: MICROINCHES 125.0
Material: LOCKING INSERT PLASTIC POLYHEXAMETHYLENE AMIDE
Material: NUT STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP W214 OR STEEL COMP 309 OR STEEL COMP
Material Document And Classification: NUT FED STD ALL MATERIAL RESPONSES 66
Material Document And Classification: LOCKING INSERT MIL SPEC SINGLE MATERIAL RESPONSE -IL---20693,CO- A,TY 1
Surface Treatment: NUT PASSIVATE
Surface Treatment Document And Classification: NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--35

Related stock numbers

Other NSNs filed under the same part numbers.

01-567-7405 · 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.