Home · NSN 00-143-9781

NSN 00-143-9781 — Screw,Cap,Hexagon Head

NIIN 00-143-9781 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 00-143-9781 is the national stock number for a screw,cap,hexagon head. It cross-references to 5 manufacturer part numbers from 4 CAGE codes, including Electric Boat Corporation, Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Naval Ship Systems Command; the primary is 2663140OC87. The unit of issue is EA and the FLIS list price is $38.10.

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.

5

part numbers from 4 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 00-143-9781: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

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

Part numberCAGEManufacturerReferenceVariation
49651-79X1-8796169Electric Boat Corporation3 · Design control (vendor)2 · Fully interchangeable
MIL-DTL-1222J81349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M41 · Not fully interchangeable
2663140OC8780064Naval Ship Systems Command5 · Secondary reference9 · Reference only
MIL-S-1222 TY1 GR 40081349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
803-2177917-2-1730263Pima Valve, LLCC1 · Not fully interchangeable
803-2177917-2-1780064Naval Ship Systems CommandC1 · Not 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 2663140OC87.

Request 2663140OC87

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

DLA management data

FLIS unit price
$38.10
Unit of issue
EA
Acquisition advice
J — Not stocked, central procurement
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Thread Class
2A
Thread Direction
RIGHT-HAND
Thread Length
INCHES NOMINAL 1.250
Fastener Length
INCHES NOMINAL 2.500
Head Height
INCHES MINIMUM 0.302 AND INCHES MAXIMUM 0.364
Width Between Flats
INCHES MINIMUM 0.725 AND INCHES MAXIMUM 0.750
Nominal Thread Diameter
INCHES 0.500
Thread Quantity Per Inch
13
Minimum Tensile Strength
POUNDS PER SQUARE INCH 80000
Hardness Rating
OVERALL ROCKWELL B MINIMUM 80.0
Minimum Yield Strength
POUNDS PER SQUARE INCH 40000
Material
OVERALL NICKEL ALLOY 400
Material Document And Classification
OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281 CLASS A
Thread Series Designator
UNIFIED NATIONAL COARSE (UNC)

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.

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