Screw, Assembled Washer5305-01-643-1545

NSN 5305-01-643-1545 · NIIN 016431545

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-643-1545 · 5305016431545 · NIIN 016431545 · 01-643-1545 · FSC 5305 Screws

Nearby stock numbers ← 5305-01-643-1544 Screw, Cap, Hexagon Head · 5305-01-643-1588 Screw, Cap, Hexagon Head →

5305-01-643-1545 — Screws

Features

Screw,assembled Washer — FSC 5305
Head Height: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Fastener Length: 0.875 INCHES NOMINAL IN
Thread Length: 0.875 INCHES NOMINAL IN
Nominal Thread Diameter: 0.3125 INCHES IN
Features Provided: LOCK WASHER
Head Style: HEXAGON
Thread Direction: RIGHT-HAND

Identification

NSN: 5305-01-643-1545
NIIN: 016431545
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,assembled Washer, cataloged under National Stock Number 5305-01-643-1545, 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12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5305-01-643-1545
Item Name	Screw,assembled Washer
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Head Height	0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Fastener Length	0.875 INCHES NOMINAL IN
Thread Length	0.875 INCHES NOMINAL IN
Nominal Thread Diameter	0.3125 INCHES IN
Features Provided	LOCK WASHER
Head Style	HEXAGON
Thread Direction	RIGHT-HAND
Width Between Flats	0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Internal Drive Style	W/O INTERNAL DRIVE
Thread Class	2A A
Thread Quantity Per Inch	18
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
10-29198	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.

5305-00-001-5016

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 5305-01-643-1545?

NSN 5305-01-643-1545 is a Screw,assembled Washer, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-643-1545?

Key specifications for 5305-01-643-1545: Head Height: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; Fastener Length: 0.875 INCHES NOMINAL IN; Thread Length: 0.875 INCHES NOMINAL IN; Nominal Thread Diameter: 0.3125 INCHES IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-643-1545 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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