Home · NSN 01-288-2109

NSN 01-288-2109 — Screw,Close Tolerance

NIIN 01-288-2109 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-288-2109 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 NAS1578A4R2. The unit of issue is EA and the FLIS list price is $29.30.

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

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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
NAS1578A4R2	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	2 · Fully interchangeable
NAS1578A4R2P	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	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 NAS1578A4R2.

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

DLA management data

FLIS unit price: $29.30
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Class: 3A
Thread Direction: RIGHT-HAND
Thread Length: INCHES MINIMUM 0.388 AND INCHES MAXIMUM 0.438
Fastener Length: INCHES MINIMUM 0.523 AND INCHES MAXIMUM 0.553
Head Diameter: INCHES MINIMUM 0.477 AND INCHES MAXIMUM 0.492
Head Height: INCHES MINIMUM 0.140 AND INCHES MAXIMUM 0.150
Grip Diameter: INCHES MINIMUM 0.2485 AND INCHES MAXIMUM 0.2495
Nominal Thread Diameter: INCHES 0.250
Grip Length: INCHES MINIMUM 0.115 AND INCHES MAXIMUM 0.135
Thread Quantity Per Inch: 28
Minimum Tensile Strength: POUNDS PER SQUARE INCH 180000
Material: OVERALL STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740
Material Document And Classification: OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5000 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6049
Surface Treatment: OVERALL CADMIUM AND CHROMATE
Surface Treatment Document And Classification: OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY 2 CL 2
Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF)
Specification/Standard Data: PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1578

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.