Washer, Lock5310-01-500-0616

NSN 5310-01-500-0616 · NIIN 015000616 · Part number 6390821-3

Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711

Government record, cited

NSN 5310-01-500-0616 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-500-0616. Manufacturer of record part number: 6390821-3.

Also searched as 5310-01-500-0616 · 5310015000616 · NIIN 015000616 · 01-500-0616 · FSC 5310 Nuts and Washers · CAGE 53711 · 6390821-3 · 5793195 FIND 80

Nearby stock numbers ← 5310-01-500-0387 Washer Blank · 5310-01-500-0623 Nut, Plain, Round →

5310-01-500-0616 — Nuts and Washers

Features

Washer,lock — FSC 5310
4 manufacturer part numbers on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 5310-01-500-0616
NIIN: 015000616
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 6390821-3
Manufacturer: Naval Sea Systems Command

General Description

The Washer,lock, cataloged under National Stock Number 5310-01-500-0616, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,lock
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	United Titanium, Llc (CAGE 1F103); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 31442); Naval Sea Systems Command (CAGE 53711)

Technical Specifications

Parameter	Value
NSN	5310-01-500-0616
Primary Part Number	6390821-3
Item Name	Washer,lock
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Naval Sea Systems Command
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
6390821-3	United Titanium, Llc (USA)
6390821-3	Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
6390821-3 PRIMARY	Naval Sea Systems Command (USA)
5793195 FIND 80	Naval Sea Systems Command (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 5310-01-500-0616?

NSN 5310-01-500-0616 is a Washer,lock, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-500-0616?

NSN 5310-01-500-0616 has 4 manufacturer part numbers on file: 6390821-3 (United Titanium, Llc), 6390821-3 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 6390821-3 (Naval Sea Systems Command), 5793195 FIND 80 (Naval Sea Systems Command).

Is NSN 5310-01-500-0616 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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