Setscrew5305-01-677-2831

NSN 5305-01-677-2831 · NIIN 016772831

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-677-2831 · 5305016772831 · NIIN 016772831 · 01-677-2831 · FSC 5305 Screws

Nearby stock numbers ← 5305-01-677-2784 Screw, Cap, Socket Head · 5305-01-677-2861 Screw, Assembled Washer →

5305-01-677-2831 — Screws

Features

Setscrew — FSC 5305
Head Height: 0.656 INCHES NOMINAL IN
Extended Washer Diameter: 0.375 INCHES NOMINAL IN
Nominal Thread Diameter: 0.2500 INCHES IN
Thread Direction: RIGHT-HAND
Width Between Flats: 0.248 INCHES NOMINAL IN
Thread Quantity Per Inch: 28
Thread Series Designator: UNF

Identification

NSN: 5305-01-677-2831
NIIN: 016772831
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Setscrew, cataloged under National Stock Number 5305-01-677-2831, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5305-01-677-2831
Item Name	Setscrew
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Head Height	0.656 INCHES NOMINAL IN
Extended Washer Diameter	0.375 INCHES NOMINAL IN
Nominal Thread Diameter	0.2500 INCHES IN
Thread Direction	RIGHT-HAND
Width Between Flats	0.248 INCHES NOMINAL IN
Thread Quantity Per Inch	28
Thread Series Designator	UNF

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
1-03950-XY	3/2 Design control — primary 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.

5305-00-000-0094

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 5305-01-677-2831?

NSN 5305-01-677-2831 is a Setscrew, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-677-2831?

Key specifications for 5305-01-677-2831: Head Height: 0.656 INCHES NOMINAL IN; Extended Washer Diameter: 0.375 INCHES NOMINAL IN; Nominal Thread Diameter: 0.2500 INCHES IN; Thread Direction: RIGHT-HAND. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-677-2831 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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