PartsTable TECHNICAL DATA SHEET

Download PDF

NSN 5305-01-237-3857Government record, cited

Setscrew5305-01-237-3857

NSN 5305-01-237-3857 · NIIN 012373857

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-237-3857 · 5305012373857 · NIIN 012373857 · 01-237-3857 · FSC 5305 Screws

Nearby stock numbers ← 5305-01-237-3856 Setscrew · 5305-01-237-3859 →

5305-01-237-3857 — Screws

Features

Setscrew — FSC 5305
Width Across Flats: 0.312 INCHES NOMINAL IN
Fastener Length: 0.625 INCHES NOMINAL IN
Material Document and Classification: QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter: 0.625 INCHES IN
Head Style: HEADLESS (SETSCREW)
Thread Direction: RIGHT-HAND
Point Style: FLAT

Identification

NSN: 5305-01-237-3857
NIIN: 012373857
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Setscrew, cataloged under National Stock Number 5305-01-237-3857, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5305-01-237-3857
Item Name	Setscrew
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Width Across Flats	0.312 INCHES NOMINAL IN
Fastener Length	0.625 INCHES NOMINAL IN
Material Document and Classification	QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter	0.625 INCHES IN
Head Style	HEADLESS (SETSCREW)
Thread Direction	RIGHT-HAND
Point Style	FLAT
Internal Drive Style	HEXAGON
Thread Class	3A A
Thread Quantity Per Inch	11
Material	NICKEL ALLOY R-405 OVERALL
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

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

Reference documents

Reference	Meaning
FF-S-200	4/1 Identification 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 5305-01-237-3857?

NSN 5305-01-237-3857 is a Setscrew, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-237-3857?

Key specifications for 5305-01-237-3857: Width Across Flats: 0.312 INCHES NOMINAL IN; Fastener Length: 0.625 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.625 INCHES IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-237-3857 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.

PartsTable Design LLC · partstable.com