Washer, Flat5310-00-968-3353

NSN 5310-00-968-3353 · NIIN 009683353 · Part number 2156639-8

L3harris Technologies, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 28527

Government record, cited

NSN 5310-00-968-3353 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-968-3353. Manufacturer of record part number: 2156639-8.

Also searched as 5310-00-968-3353 · 5310009683353 · NIIN 009683353 · 00-968-3353 · FSC 5310 Nuts and Washers · CAGE 28527 · 2156639-8

Nearby stock numbers ← 5310-00-968-3352 Washer, Flat · 5310-00-968-3354 Washer, Flat →

5310-00-968-3353 — Nuts and Washers

Features

Washer,flat — FSC 5310
Overall Diameter: 2.500 INCHES NOMINAL IN
Cross-Sectional Shape Style: RECTANGULAR
Surface Treatment: NICKEL OVERALL
Peripheral Shape Style: ROUND
Material: COPPER ALLOY OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.170 INCHES NOMINAL IN

Identification

NSN: 5310-00-968-3353
NIIN: 009683353
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 2156639-8
Manufacturer: L3harris Technologies, Inc.

General Description

The Washer,flat, cataloged under National Stock Number 5310-00-968-3353, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc.. Government technical data includes 8 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	5310-00-968-3353
Primary Part Number	2156639-8
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	L3harris Technologies, Inc.
Status	ACTIVE
Overall Diameter	2.500 INCHES NOMINAL IN
Cross-Sectional Shape Style	RECTANGULAR
Surface Treatment	NICKEL OVERALL
Peripheral Shape Style	ROUND
Material	COPPER ALLOY OVERALL
Center Hole Shape Style	ROUND
Hole Diameter	0.170 INCHES NOMINAL IN
Thickness	0.141 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
2156639-8 PRIMARY	L3harris Technologies, Inc. (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 5310-00-968-3353?

NSN 5310-00-968-3353 is a Washer,flat, manufactured by L3harris Technologies, Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-968-3353?

NSN 5310-00-968-3353 has 1 manufacturer part number on file: 2156639-8 (L3harris Technologies, Inc.).

What are the specifications of 2156639-8?

Key specifications for 2156639-8: Overall Diameter: 2.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: NICKEL OVERALL; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-968-3353 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