Washer, Flat5310-01-150-6366

NSN 5310-01-150-6366 · NIIN 011506366 · Part number 20631/300.17

Naval Inventory Control Point Mechanicsburg · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 03950

Government record, cited

NSN 5310-01-150-6366 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-150-6366. Manufacturer of record part number: 20631/300.17.

Also searched as 5310-01-150-6366 · 5310011506366 · NIIN 011506366 · 01-150-6366 · FSC 5310 Nuts and Washers · CAGE 03950 · 20631/300.17

Nearby stock numbers ← 5310-01-150-6365 Nut, Sleeve · 5310-01-150-6367 Washer, Flat →

5310-01-150-6366 — Nuts and Washers

Features

Washer,flat — FSC 5310
Overall Diameter: 1.000 INCHES NOMINAL IN
Material Document and Classification: CORK ALIGHT 132,FSCM K0639 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: CORK OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.440 INCHES NOMINAL IN

Identification

NSN: 5310-01-150-6366
NIIN: 011506366
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 20631/300.17
Manufacturer: Naval Inventory Control Point Mechanicsburg

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-150-6366, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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	5310-01-150-6366
Primary Part Number	20631/300.17
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Naval Inventory Control Point Mechanicsburg
Status	ACTIVE
Overall Diameter	1.000 INCHES NOMINAL IN
Material Document and Classification	CORK ALIGHT 132,FSCM K0639 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style	RECTANGULAR
Peripheral Shape Style	ROUND
Material	CORK OVERALL
Center Hole Shape Style	ROUND
Hole Diameter	0.440 INCHES NOMINAL IN
Thickness	0.156 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
20631/300.17 PRIMARY	Naval Inventory Control Point Mechanicsburg (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 5310-01-150-6366?

NSN 5310-01-150-6366 is a Washer,flat, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-150-6366?

NSN 5310-01-150-6366 has 1 manufacturer part number on file: 20631/300.17 (Naval Inventory Control Point Mechanicsburg).

What are the specifications of 20631/300.17?

Key specifications for 20631/300.17: Overall Diameter: 1.000 INCHES NOMINAL IN; Material Document and Classification: CORK ALIGHT 132,FSCM K0639 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-150-6366 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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