Screw, Cap, Socket Head5305-01-658-0639

NSN 5305-01-658-0639 · NIIN 016580639 · Part number 90044A141

Mcmaster-Carr Supply Co · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 39428

Government record, cited

NSN 5305-01-658-0639 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-658-0639. Manufacturer of record part number: 90044A141.

Also searched as 5305-01-658-0639 · 5305016580639 · NIIN 016580639 · 01-658-0639 · FSC 5305 Screws · CAGE 39428 · 90044A141

Nearby stock numbers ← 5305-01-658-0626 Screw, Machine · 5305-01-658-0645 Screw, Machine →

5305-01-658-0639 — Screws

Features

Screw,cap,socket Head — FSC 5305
Fastener Length: 0.8125 INCHES NOMINAL IN
Head Style: HEXAGON
Color: BLACK OVERALL
Surface Treatment: OXIDE OVERALL
Internal Drive Style: HEXAGON
Material: STEEL OVERALL
Head Diameter: 0.469 INCHES NOMINAL IN

Identification

NSN: 5305-01-658-0639
NIIN: 016580639
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 90044A141
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-658-0639, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. 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	5305-01-658-0639
Primary Part Number	90044A141
Item Name	Screw,cap,socket Head
FSC / FSG	5305 / 53 — Screws
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE
Fastener Length	0.8125 INCHES NOMINAL IN
Head Style	HEXAGON
Color	BLACK OVERALL
Surface Treatment	OXIDE OVERALL
Internal Drive Style	HEXAGON
Material	STEEL OVERALL
Head Diameter	0.469 INCHES NOMINAL IN

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
90044A141 PRIMARY	Mcmaster-Carr Supply Co (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.

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-1397

5305-00-000-1397 · Item name not on file

5305-00-000-2625

5305-00-000-2625 · Item name not on file

5305-00-000-3669

5305-00-000-3669 · Item name not on file

5305-00-000-3830

5305-00-000-3830 · Item name not on file

5305-00-000-3831

5305-00-000-3831 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-658-0639?

NSN 5305-01-658-0639 is a Screw,cap,socket Head, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-658-0639?

NSN 5305-01-658-0639 has 1 manufacturer part number on file: 90044A141 (Mcmaster-Carr Supply Co).

What are the specifications of 90044A141?

Key specifications for 90044A141: Fastener Length: 0.8125 INCHES NOMINAL IN; Head Style: HEXAGON; Color: BLACK OVERALL; Surface Treatment: OXIDE OVERALL. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-658-0639 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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