Washer, Lock5310-01-646-7623

NSN 5310-01-646-7623 · NIIN 016467623 · Part number 8289859

Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 39VG9

Government record, cited

NSN 5310-01-646-7623 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-646-7623. Manufacturer of record part number: 8289859.

Also searched as 5310-01-646-7623 · 5310016467623 · NIIN 016467623 · 01-646-7623 · FSC 5310 Nuts and Washers · CAGE 39VG9 · 8289859

Nearby stock numbers ← 5310-01-646-7587 Washer, Lock · 5310-01-646-7676 Nut, Self-Locking, Hexagon →

5310-01-646-7623 — Nuts and Washers

Features

Washer,lock — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc

Identification

NSN: 5310-01-646-7623
NIIN: 016467623
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 8289859
Manufacturer: Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-646-7623, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-646-7623
Primary Part Number	8289859
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc
Status	ACTIVE

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

Part Number	Manufacturer
8289859 PRIMARY	Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA)

No interchangeability data on file.

Other items in FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040

5310-00-000-0040 · Item name not on file

5310-00-000-0077

NUT,PLAIN,ROUND

5310-00-000-0079

WASHER,FLAT

5310-00-000-0079

WASHER,FLAT

5310-00-000-1146

5310-00-000-1146 · Item name not on file

5310-00-000-3815

5310-00-000-3815 · Item name not on file

5310-00-000-4532

5310-00-000-4532 · Item name not on file

5310-00-000-4540

5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-646-7623?

NSN 5310-01-646-7623 is a Washer,lock, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-646-7623?

NSN 5310-01-646-7623 has 1 manufacturer part number on file: 8289859 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).

What are the specifications of 8289859?

Key specifications for 8289859: Part Name Assigned by Controlling Agency: WASHER, SPECIAL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-646-7623 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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