Home · NSN 01-173-1077

NSN 01-173-1077 — Screw,Shoulder

NIIN 01-173-1077 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 01-173-1077 is the national stock number for a screw,shoulder. 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 NAS1580A3T8Y. The unit of issue is EA and the FLIS list price is $0.92.

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 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
NAS1580A3T8Y	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 NAS1580A3T8Y.

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

DLA management data

FLIS unit price: $0.92
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
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 0.848 AND INCHES MAXIMUM 0.878
Head Diameter: INCHES MINIMUM 0.339 AND INCHES MAXIMUM 0.381
Shoulder Diameter: FIRST SHOULDER INCHES MINIMUM 0.2197 AND INCHES MAXIMUM 0.2207
Shoulder Length: FIRST SHOULDER INCHES MINIMUM 0.407 AND INCHES MAXIMUM 0.427
Nominal Thread Diameter: INCHES 0.190
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
Shoulder Shape: FIRST SHOULDER ROUND
Material: OVERALL STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150
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-NAS1580

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.