PartsTable TECHNICAL DATA SHEET

NSN 5310-01-159-0099Government record, cited

Washer, Key5310-01-159-0099

NSN 5310-01-159-0099 · NIIN 011590099 · Part number 5165251

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

Government record, cited

NSN 5310-01-159-0099 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-159-0099. Manufacturer of record part number: 5165251.

Also searched as 5310-01-159-0099 · 5310011590099 · NIIN 011590099 · 01-159-0099 · FSC 5310 Nuts and Washers · CAGE 53711 · 5165251

Nearby stock numbers ← 5310-01-159-0098 Nut, Self-Locking, Clinch · 5310-01-159-0100 →

5310-01-159-0099 — Nuts and Washers

Features

Washer,key — FSC 5310
Split Key Length: 0.146 INCHES NOMINAL IN
External Prebent Key Length: 0.063 INCHES NOMINAL IN
Overall Distance Including Keys: 0.896 INCHES NOMINAL IN
Material Thickness: 0.020 INCHES NOMINAL IN
Material: ALUMINUM OVERALL
Hole Diameter: 0.385 INCHES NOMINAL IN
1 manufacturer part number on file

Identification

NSN: 5310-01-159-0099
NIIN: 011590099
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 5165251
Manufacturer: Naval Sea Systems Command

General Description

The Washer,key, cataloged under National Stock Number 5310-01-159-0099, 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. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 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	5310-01-159-0099
Primary Part Number	5165251
Item Name	Washer,key
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Naval Sea Systems Command
Status	ACTIVE
Split Key Length	0.146 INCHES NOMINAL IN
External Prebent Key Length	0.063 INCHES NOMINAL IN
Overall Distance Including Keys	0.896 INCHES NOMINAL IN
Material Thickness	0.020 INCHES NOMINAL IN
Material	ALUMINUM OVERALL
Hole Diameter	0.385 INCHES NOMINAL IN

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
5165251 PRIMARY	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 5310-01-159-0099?

NSN 5310-01-159-0099 is a Washer,key, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-159-0099?

NSN 5310-01-159-0099 has 1 manufacturer part number on file: 5165251 (Naval Sea Systems Command).

What are the specifications of 5165251?

Key specifications for 5165251: Split Key Length: 0.146 INCHES NOMINAL IN; External Prebent Key Length: 0.063 INCHES NOMINAL IN; Overall Distance Including Keys: 0.896 INCHES NOMINAL IN; Overall Width: 0.750 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-159-0099 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