Screw, Machine5305-01-556-0488

NSN 5305-01-556-0488 · NIIN 015560488 · Part number 91772A839

Mcmaster-Carr Supply Company · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 2V507

Government record, cited

NSN 5305-01-556-0488 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-556-0488. Manufacturer of record part number: 91772A839.

Also searched as 5305-01-556-0488 · 5305015560488 · NIIN 015560488 · 01-556-0488 · FSC 5305 Screws · CAGE 2V507 · 91772A839

Nearby stock numbers ← 5305-01-556-0483 Screw, Cap, Socket Head · 5305-01-556-0491 Screw, Cap, Hexagon Head →

5305-01-556-0488 — Screws

Features

Screw,machine — FSC 5305
Fastener Length: 2.250 INCHES NOMINAL IN
Thread Length: 1.500 INCHES NOMINAL IN
Nominal Thread Diameter: 0.373 INCHES IN
Thread Direction: RIGHT-HAND
Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch: 32
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)

Identification

NSN: 5305-01-556-0488
NIIN: 015560488
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 91772A839
Manufacturer: Mcmaster-Carr Supply Company

General Description

The Screw,machine, cataloged under National Stock Number 5305-01-556-0488, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Company. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-01-556-0488
Primary Part Number	91772A839
Item Name	Screw,machine
FSC / FSG	5305 / 53 — Screws
Manufacturer	Mcmaster-Carr Supply Company
Status	ACTIVE
Fastener Length	2.250 INCHES NOMINAL IN
Thread Length	1.500 INCHES NOMINAL IN
Nominal Thread Diameter	0.373 INCHES IN
Thread Direction	RIGHT-HAND
Minimum Tensile Strength	80000 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch	32
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
91772A839 PRIMARY	Mcmaster-Carr Supply Company (USA)

No interchangeability data on file.

Other items in FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-001-5016

5305-00-001-5016 · Item name not on file

5305-00-001-9160

5305-00-001-9160 · Item name not on file

5305-00-001-9629

SCREW,ADJUSTING CLEVIS

5305-00-001-9742

5305-00-001-9742 · Item name not on file

5305-00-001-9768

SCREW,CAP,SOCKET HEAD

5305-00-003-4306

SCREW,MACHINE

5305-00-003-6694

5305-00-003-6694 · Item name not on file

5305-00-003-6753

5305-00-003-6753 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-556-0488?

NSN 5305-01-556-0488 is a Screw,machine, manufactured by Mcmaster-Carr Supply Company, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-556-0488?

NSN 5305-01-556-0488 has 1 manufacturer part number on file: 91772A839 (Mcmaster-Carr Supply Company).

What are the specifications of 91772A839?

Key specifications for 91772A839: Fastener Length: 2.250 INCHES NOMINAL IN; Thread Length: 1.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.373 INCHES IN; Thread Direction: RIGHT-HAND. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-556-0488 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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