PartsTable TECHNICAL DATA SHEET

NSN 5310-01-421-7056Government record, cited

Washer, Flat5310-01-421-7056

NSN 5310-01-421-7056 · NIIN 014217056 · Part number 1970-003-33-4

Mission Systems Orchard Park Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 04577

Government record, cited

NSN 5310-01-421-7056 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-421-7056. Manufacturer of record part number: 1970-003-33-4.

Also searched as 5310-01-421-7056 · 5310014217056 · NIIN 014217056 · 01-421-7056 · FSC 5310 Nuts and Washers · CAGE 04577 · 1970-003-33-4

Nearby stock numbers ← 5310-01-421-7054 Washer, Flat · 5310-01-421-7071 Washer, Flat →

5310-01-421-7056 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Mission Systems Orchard Park Inc

Identification

NSN: 5310-01-421-7056
NIIN: 014217056
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 1970-003-33-4
Manufacturer: Mission Systems Orchard Park Inc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-421-7056, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mission Systems Orchard Park Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Washer,flat
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Mission Systems Orchard Park Inc (CAGE 04577)

Technical Specifications

Parameter	Value
NSN	5310-01-421-7056
Primary Part Number	1970-003-33-4
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Mission Systems Orchard Park Inc
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
1970-003-33-4 PRIMARY	Mission Systems Orchard Park Inc (USA)

Reference documents

Reference	Meaning
1970-003-33-4	5/9 Secondary reference Carleton Technologies Inc Div Tampa Facility

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 5310-01-421-7056?

NSN 5310-01-421-7056 is a Washer,flat, manufactured by Mission Systems Orchard Park Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-421-7056?

NSN 5310-01-421-7056 has 1 manufacturer part number on file: 1970-003-33-4 (Mission Systems Orchard Park Inc).

Is NSN 5310-01-421-7056 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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