Home · NSN 01-656-2142

NSN 01-656-2142 — Bolt,Close Tolerance

NIIN 01-656-2142 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-656-2142 is the national stock number for a bolt,close tolerance. It cross-references to 1 manufacturer part number from 3 CAGE codes, including National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use, Northrop Grumman Systems Corporation, California Screw Products Corp; the primary is NAS6605D29. The unit of issue is EA and the FLIS list price is $13.74.

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 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
NAS6605D29	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	2 · Fully interchangeable
NAS6605D29	78022	Northrop Grumman Systems Corporation	5 · Secondary reference	2 · Fully interchangeable
NAS6605D29	8Z507	California Screw Products Corp	5 · Secondary reference	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 NAS6605D29.

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

DLA management data

FLIS unit price: $13.74
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Class: 3A
Thread Direction: RIGHT-HAND
Thread Length: INCHES NOMINAL 0.469
Fastener Length: INCHES NOMINAL 2.281
Head Height: INCHES NOMINAL 0.156
Width Between Flats: INCHES MINIMUM 0.492 AND INCHES MAXIMUM 0.502
Grip Diameter: INCHES MINIMUM 0.3110 AND INCHES MAXIMUM 0.3120
Shank Unthreaded Hole Diameter: FIRST HOLE INCHES NOMINAL 0.076
End Item Identification: 1520-014575179
Nominal Thread Diameter: INCHES 0.3125
Grip Length: INCHES NOMINAL 1.812
Thread Quantity Per Inch: 24
Part Name Assigned By Controlling Agency: BOLT, HEX HEAD
Material: OVERALL STEEL COMP 4140
Surface Treatment: OVERALL CADMIUM
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.