PartsTable TECHNICAL DATA SHEET

NSN 5310-01-666-5300Government record, cited

Washer, Lock5310-01-666-5300

NSN 5310-01-666-5300 · NIIN 016665300 · Part number P802-5

Tuthill Corporation Dba Tuthill Pump Group · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 61178

Government record, cited

NSN 5310-01-666-5300 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-666-5300. Manufacturer of record part number: P802-5.

Also searched as 5310-01-666-5300 · 5310016665300 · NIIN 016665300 · 01-666-5300 · FSC 5310 Nuts and Washers · CAGE 61178 · P802-5 · N-1029-D PC 51

Nearby stock numbers ← 5310-01-666-5297 Washer, Seal · 5310-01-666-5326 Washer, Flat →

5310-01-666-5300 — Nuts and Washers

Features

Washer,lock — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Tuthill Corporation Dba Tuthill Pump Group

Identification

NSN: 5310-01-666-5300
NIIN: 016665300
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: P802-5
Manufacturer: Tuthill Corporation Dba Tuthill Pump Group

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-666-5300, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Tuthill Corporation Dba Tuthill Pump Group. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,lock
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Tuthill Corporation Dba Tuthill Pump Group (CAGE 61178)

Technical Specifications

Parameter	Value
NSN	5310-01-666-5300
Primary Part Number	P802-5
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Tuthill Corporation Dba Tuthill Pump Group
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
P802-5 PRIMARY	Tuthill Corporation Dba Tuthill Pump Group (USA)

Reference documents

Reference	Meaning
N-1029-D PC 51	D/9 Drawing number reference only Tuthill Corporation Dba Tuthill Pump Group

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 5310-01-666-5300?

NSN 5310-01-666-5300 is a Washer,lock, manufactured by Tuthill Corporation Dba Tuthill Pump Group, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-666-5300?

NSN 5310-01-666-5300 has 1 manufacturer part number on file: P802-5 (Tuthill Corporation Dba Tuthill Pump Group).

Is NSN 5310-01-666-5300 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