Home · NSN 01-658-3431

NSN 01-658-3431 — Screw,Close Tolerance

NIIN 01-658-3431

NSN 01-658-3431 is the national stock number for a screw,close tolerance. 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 NAS1790-4-9.

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
NAS1790-4-9	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 NAS1790-4-9.

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

Item characteristics

Thread Class: 3A
Thread Direction: RIGHT-HAND
Thread Length: INCHES NOMINAL 0.425
Fastener Length: INCHES NOMINAL 0.9875
Head Diameter: INCHES MINIMUM 0.464
Grip Diameter: INCHES MINIMUM 0.2485 AND INCHES MAXIMUM 0.2495
Shank Unthreaded Hole Diameter: FIRST HOLE INCHES MINIMUM 0.076 AND INCHES MAXIMUM 0.086
Nominal Thread Diameter: INCHES 0.250
Grip Length: INCHES NOMINAL 0.5625
Thread Quantity Per Inch: 28.0
Countersink Angle: DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0
Distance From Head Largest Bearing Surface To Shank Hole Center: FIRST HOLE INCHES MINIMUM 0.8815
Part Name Assigned By Controlling Agency: BOLT 100 DEGREE FLUSH HEAD
Material: OVERALL STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740
Material Document And Classification: OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S6349
Surface Treatment: OVERALL CADMIUM AND CHROMATE
Surface Treatment Document And Classification: OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S-QQ- TYE II, CLASS 2
Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF)

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.