Home · NSN 01-256-5784

NSN 01-256-5784 — Screw,Cap,Socket Head

NIIN 01-256-5784 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-256-5784 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 NAS1191E04P4L. The unit of issue is EA and the FLIS list price is $111.09.

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.

1

part number from 1 CAGE

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 01-256-5784: an email the morning the government solicits or buys it, or an AD names it. Free.
Know someone who should see this?

Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part numberCAGEManufacturerReferenceVariation
NAS1191E04P4L80205National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use3 · 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 NAS1191E04P4L.

Request NAS1191E04P4L

No account needed. Goes to the sellers who carry this number or its family.

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

DLA management data

FLIS unit price
$111.09
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 0.219 AND INCHES MAXIMUM 0.250
Fastener Length
INCHES MINIMUM 0.219 AND INCHES MAXIMUM 0.250
Head Diameter
INCHES MINIMUM 0.178 AND INCHES MAXIMUM 0.183
Head Height
INCHES MINIMUM 0.059 AND INCHES MAXIMUM 0.069
Locking Feature
THREADS STRIP
Nominal Thread Diameter
INCHES 0.1120
Thread Quantity Per Inch
40
Minimum Tensile Strength
POUNDS PER SQUARE INCH 160000
Material
OVERALL STEEL COMP 4140 OR STEEL COMP 4340 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
Thread Series Designator
UNJC
Specification/Standard Data
PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1191

Related stock numbers

Other NSNs filed under the same part numbers.

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.

Get the daily Market Pulse

New DLA RFQs, SAM.gov notices, yesterday's awards and FAA directives, weekday mornings. Free, one click to leave.