Home · NSN 01-726-1990

NSN 01-726-1990 — Screw,Cap,Socket Head

NIIN 01-726-1990 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-726-1990 is the national stock number for a screw,cap,socket head. 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 NAS1189E04T3B. The unit of issue is EA and the FLIS list price is $4.32.

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

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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
NAS1189E04T3B	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 NAS1189E04T3B.

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

DLA management data

FLIS unit price: $4.32
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Jan 1, 2026

Item characteristics

Thread Class: 3A
Thread Direction: RIGHT-HAND
Thread Length: INCHES NOMINAL 0.188
Fastener Length: INCHES NOMINAL 0.188
Head Diameter: INCHES MINIMUM 0.213 AND INCHES MAXIMUM 0.225
Head Height: INCHES NOMINAL 0.45
Locking Feature: LOCKING FEATURE PATCH
Nominal Thread Diameter: INCHES 0.1120
Thread Quantity Per Inch: 40
Minimum Tensile Strength: POUNDS PER SQUARE INCH 160000
Countersink Angle: DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0
Part Name Assigned By Controlling Agency: SCREW, SELF LOCKING, FLAT 100 DEG. HEAD, CRUCIFORM AND OFFSET CRUCIFORM RECESS, FULL THREAD
Material: OVERALL IRON ALLOY 660
Material Document And Classification: OVERALL AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE A-S5731,A-S5732,A-S5737,OR A-S 5853
Surface Treatment: OVERALL PASSIVATE
Surface Treatment Document And Classification: OVERALL NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE A-S2700-ETHOD 1 CLASS 4
Thread Series Designator: UNJC
Specification/Standard Data: PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1189

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.