Washer, Cush Chk5310-00-548-6503

NSN 5310-00-548-6503 · NIIN 005486503 · Part number 133-0031-0021-050

Sheffer Corp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 05283

Government record, cited

NSN 5310-00-548-6503 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-548-6503. Manufacturer of record part number: 133-0031-0021-050.

Also searched as 5310-00-548-6503 · 5310005486503 · NIIN 005486503 · 00-548-6503 · FSC 5310 Nuts and Washers · CAGE 05283 · 133-0031-0021-050 · 2HHA100PC66

Nearby stock numbers ← 5310-00-548-6268 Washer, Flat · 5310-00-548-6522 Nut, Sleeve →

5310-00-548-6503 — Nuts and Washers

Features

Washer,cush Chk — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Sheffer Corp

Identification

NSN: 5310-00-548-6503
NIIN: 005486503
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 133-0031-0021-050
Manufacturer: Sheffer Corp

General Description

The Washer,cush Chk, cataloged under National Stock Number 5310-00-548-6503, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sheffer Corp. The record lists 2 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,cush Chk
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Sheffer Corp (CAGE 05283)

Technical Specifications

Parameter	Value
NSN	5310-00-548-6503
Primary Part Number	133-0031-0021-050
Item Name	Washer,cush Chk
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Sheffer Corp
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
133-0031-0021-050 PRIMARY	Sheffer Corp (USA)
2HHA100PC66	Sheffer Corp (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 5310-00-548-6503?

NSN 5310-00-548-6503 is a Washer,cush Chk, manufactured by Sheffer Corp, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-548-6503?

NSN 5310-00-548-6503 has 2 manufacturer part numbers on file: 133-0031-0021-050 (Sheffer Corp), 2HHA100PC66 (Sheffer Corp).

Is NSN 5310-00-548-6503 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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