Screw, Cap, Socket Head5305-00-080-0681

NSN 5305-00-080-0681 · NIIN 000800681

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-00-080-0681 · 5305000800681 · NIIN 000800681 · 00-080-0681 · FSC 5305 Screws · SC1151 · 652-1408

Nearby stock numbers ← 5305-00-080-0593 Setscrew · 5305-00-080-0705 →

5305-00-080-0681 — Screws

Features

Screw,cap,socket Head — FSC 5305
Width Across Flats: 0.190 INCHES NOMINAL IN
Head Height: 0.244 INCHES NOMINAL IN
Fastener Length: 2.000 INCHES NOMINAL IN
Thread Length: 0.850 INCHES MINIMUM IN
Shank Unthreaded Hole Diameter: 0.062 INCHES NOMINAL FIRST HOLE IN
Nominal Thread Diameter: 0.250 INCHES IN
Head Style: FLAT CHAMFER

Identification

NSN: 5305-00-080-0681
NIIN: 000800681
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-080-0681, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-00-080-0681
Item Name	Screw,cap,socket Head
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Width Across Flats	0.190 INCHES NOMINAL IN
Head Height	0.244 INCHES NOMINAL IN
Fastener Length	2.000 INCHES NOMINAL IN
Thread Length	0.850 INCHES MINIMUM IN
Shank Unthreaded Hole Diameter	0.062 INCHES NOMINAL FIRST HOLE IN
Nominal Thread Diameter	0.250 INCHES IN
Head Style	FLAT CHAMFER
Surface Treatment	PASSIVATE OVERALL
Internal Drive Style	HEXAGON
Thread Class	3A A
Thread Quantity Per Inch	20
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)
Distance From Head Largest Bearing Surface to Shank Hole Center	0.938 INCHES NOMINAL FIRST HOLE IN
Head Diameter	0.367 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

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

Reference documents

Reference	Meaning
SC1151	3/9 Design control — primary reference U.S. Government activity
652-1408	5/9 Secondary reference 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.

5305-00-001-5016

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 5305-00-080-0681?

NSN 5305-00-080-0681 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-00-080-0681?

Key specifications for 5305-00-080-0681: Width Across Flats: 0.190 INCHES NOMINAL IN; Head Height: 0.244 INCHES NOMINAL IN; Fastener Length: 2.000 INCHES NOMINAL IN; Thread Length: 0.850 INCHES MINIMUM IN. 14 specifications are documented in the U.S. Government catalog.

Is NSN 5305-00-080-0681 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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