Home · NSN 01-309-4338

NSN 01-309-4338 — Bolt,Close Tolerance

NIIN 01-309-4338 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-309-4338 is the national stock number for a bolt,close tolerance. It cross-references to 2 manufacturer part numbers from 2 CAGE codes, including National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use, Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M; the primary is MS27576-6-32. The unit of issue is EA and the FLIS list price is $334.92.

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 2 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
MS27576-6-32	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	9 · Reference only
NASM27576-6-32	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	2 · Fully interchangeable
MS27576-6-32	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	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 MS27576-6-32.

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

DLA management data

FLIS unit price: $334.92
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Thread Class: 3A
Thread Direction: RIGHT-HAND
Thread Length: INCHES MINIMUM 0.523 AND INCHES MAXIMUM 0.559
Fastener Length: INCHES MINIMUM 2.539 AND INCHES MAXIMUM 2.559
Head Height: INCHES MINIMUM 0.189 AND INCHES MAXIMUM 0.204
Width Between Flats: INCHES MINIMUM 0.553 AND INCHES MAXIMUM 0.564
Locking Feature: GRIP RETAINER
Grip Diameter: INCHES MINIMUM 0.3733 AND INCHES MAXIMUM 0.3742
Shank Unthreaded Hole Diameter: FIRST HOLE INCHES MINIMUM 0.106 AND INCHES MAXIMUM 0.116
Nominal Thread Diameter: INCHES 0.375
Grip Length: INCHES MINIMUM 2.000 AND INCHES MAXIMUM 2.016
Thread Quantity Per Inch: 24
Minimum Tensile Strength: POUNDS PER SQUARE INCH 95000
Hardness Rating: OVERALL ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 41.0
Distance From Head Largest Bearing Surface To Shank Hole Center: FIRST HOLE INCHES MINIMUM 2.424 AND INCHES MAXIMUM 2.454
Surface Finish: GRIP MICROINCHES 63.0
Surface Finish: BEARING SURFACE OF HEAD MICROINCHES 63.0
Material: LOCKING FEATURE STEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 440C
Material: FASTENER STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 4130 OR STEEL COMP 6150
Material Document And Classification: LOCKING FEATURE ASSN STD 1ST MATERIAL RESPONSE A-S 5643 OR ASSN STD 2ND MATERIAL RESPONSE A-S 5644 OR FED SPEC 3RD MATERIAL RESPONSE QQ-S-763
Material Document And Classification: FASTENER MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5000 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6049 OR MIL SPEC 4TH MATERIAL RESPONSE -IL-S-6758 OR MI
Surface Treatment: FASTENER CADMIUM AND CHROMATE
Surface Treatment Document And Classification: FASTENER FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY 2 CL 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.