Home · NSN 01-311-6456

NSN 01-311-6456 — Screw,Machine

NIIN 01-311-6456 · unit of issue PG · AAC Z (insurance item) · source of supply SMS

NSN 01-311-6456 is the national stock number for a screw,machine. It cross-references to 5 manufacturer part numbers from 5 CAGE codes, including Federal Specifications Promulgated By General Services Administration Washington Dc, Raytheon Company, Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M; the primary is 1/4-20UNC-2A X 1/2"LG CRES 316. The unit of issue is PG and the FLIS list price is $21.62.

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 5 CAGEs

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
FF-S-92	81348	Federal Specifications Promulgated By General Services Administration Washington Dc	4	1 · Not fully interchangeable
418359-283	96214	Raytheon Company	5 · Secondary reference	1 · Not fully interchangeable
MS24693-94B	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	2 · Fully interchangeable
1/4-20UNC-2A X 1/2"LG CRES 316	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	C	1 · Not fully interchangeable
MS24693-C94	D9182	Zf Industrieantriebe Witten Gmbh	C	1 · 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 1/4-20UNC-2A X 1/2"LG CRES 316.

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

DLA management data

FLIS unit price: $21.62
Unit of issue: PG
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Class: 2A
Thread Direction: RIGHT-HAND
Thread Length: INCHES MINIMUM 0.369 AND INCHES MAXIMUM 0.500
Fastener Length: INCHES MINIMUM 0.469 AND INCHES MAXIMUM 0.500
Head Diameter: INCHES MINIMUM 0.442 AND INCHES MAXIMUM 0.507
Nominal Thread Diameter: INCHES 0.250
Thread Quantity Per Inch: 20
Minimum Tensile Strength: POUNDS PER SQUARE INCH 80000
Countersink Angle: DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0
Screw Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
Screw Material Document And Classification: FED STD ALL MATERIAL RESPONSES 66
Screw Surface Treatment: OXIDE
Screw Surface Treatment Document And Classification: MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-13924 CL4
Color: BLACK
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/Std Data: TYPE 3 AND STYLE 3C

Related stock numbers

Other NSNs filed under the same part numbers.

00-001-9809 · Screw,Externally Relieved Body
00-004-5099 · Screw,Machine
00-010-4868 · Screw,Machine
00-011-0500 · Screw,Machine
00-011-0596 · Screw,Machine
00-011-3963 · Screw,Machine
00-011-3965 · Screw,Machine
00-011-4327 · Screw,Machine

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.