Home · NSN 01-131-6733

NSN 01-131-6733 — Screw,Close Tolerance

NIIN 01-131-6733 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-131-6733 is the national stock number for a screw,close tolerance. It cross-references to 2 manufacturer part numbers from 1 CAGE code, including National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use; the primary is NAS1581A3H5. The unit of issue is EA and the FLIS list price is $3.91.

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 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
NAS1581F3H5	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	2 · Fully interchangeable
NAS1581A3H5	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	5 · Secondary reference	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 NAS1581A3H5.

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

DLA management data

FLIS unit price: $3.91
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Feb 1, 2026

Item characteristics

Thread Class: 3A
Thread Direction: RIGHT-HAND
Thread Length: INCHES MINIMUM 0.338 AND INCHES MAXIMUM 0.388
Fastener Length: INCHES MINIMUM 0.660 AND INCHES MAXIMUM 0.690
Head Diameter: INCHES MINIMUM 0.257 AND INCHES MAXIMUM 0.304
Grip Diameter: INCHES MINIMUM 0.1885 AND INCHES MAXIMUM 0.1895
Nominal Thread Diameter: INCHES 0.190
Grip Length: INCHES MINIMUM 0.302 AND INCHES MAXIMUM 0.322
Thread Quantity Per Inch: 32
Minimum Tensile Strength: POUNDS PER SQUARE INCH 160000
Hardness Rating: OVERALL ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 40.0
Countersink Angle: DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0
Surface Finish: GRIP MICROINCHES 32.0
Surface Finish: THREADS MICROINCHES 32.0
Surface Finish: BEARING SURFACE OF HEAD MICROINCHES 32.0
Material: OVERALL STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 6150
Surface Treatment: OVERALL CADMIUM AND CHROMATE
Surface Treatment Document And Classification: OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY2 CL2
Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF)
Specification/Standard Data: PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1581

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.