Screw, Cap, Socket Head5305-01-591-0107

NSN 5305-01-591-0107 · NIIN 015910107

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-591-0107 · 5305015910107 · NIIN 015910107 · 01-591-0107 · FSC 5305 Screws

Nearby stock numbers ← 5305-01-591-0080 Screw, Close Tolerance · 5305-01-591-0128 Screw, Close Tolerance →

5305-01-591-0107 — Screws

Features

Screw,cap,socket Head — FSC 5305
Fastener Length: 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Thread Length: 0.620 INCHES MINIMUM AND 0.722 INCHES MAXIMUM IN
Nominal Thread Diameter: 0.250 INCHES IN
Head Style: FLAT COUNTERSUNK
Thread Direction: RIGHT-HAND
Surface Treatment: CADMIUM AND CHROMATE OVERALL
Internal Drive Style: CROSS RECESS TYPE 1

Identification

NSN: 5305-01-591-0107
NIIN: 015910107
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-591-0107, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-01-591-0107
Item Name	Screw,cap,socket Head
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Fastener Length	0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Thread Length	0.620 INCHES MINIMUM AND 0.722 INCHES MAXIMUM IN
Nominal Thread Diameter	0.250 INCHES IN
Head Style	FLAT COUNTERSUNK
Thread Direction	RIGHT-HAND
Surface Treatment	CADMIUM AND CHROMATE OVERALL
Internal Drive Style	CROSS RECESS TYPE 1
Countersink Angle	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Thread Class	2A A
Thread Quantity Per Inch	28
Material	STEEL OVERALL
Thread Series Designator	UNF
Head Diameter	0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM 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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
NASM35191-292	2/2 Government specification standardization U.S. Government activity

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 5305-01-591-0107?

NSN 5305-01-591-0107 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-591-0107?

Key specifications for 5305-01-591-0107: Fastener Length: 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Thread Length: 0.620 INCHES MINIMUM AND 0.722 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: FLAT COUNTERSUNK. 13 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-591-0107 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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