PartsTable TECHNICAL DATA SHEET

NSN 5310-01-485-6904Government record, cited

Washer, Flat5310-01-485-6904

NSN 5310-01-485-6904 · NIIN 014856904 · Part number B50149-1

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

Government record, cited

NSN 5310-01-485-6904 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-485-6904. Manufacturer of record part number: B50149-1.

Also searched as 5310-01-485-6904 · 5310014856904 · NIIN 014856904 · 01-485-6904 · FSC 5310 Nuts and Washers · CAGE 04577 · B50149-1

Nearby stock numbers ← 5310-01-485-6844 · 5310-01-485-6952 Nut, Plain, Blind Rivet →

5310-01-485-6904 — Nuts and Washers

Features

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

Identification

NSN: 5310-01-485-6904
NIIN: 014856904
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: B50149-1
Manufacturer: Mission Systems Orchard Park Inc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-485-6904, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Msi-Defence Systems Ltd (CAGE U7384); Mission Systems Orchard Park Inc (CAGE 04577)

Technical Specifications

Parameter	Value
NSN	5310-01-485-6904
Primary Part Number	B50149-1
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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
B50149-1	Msi-Defence Systems Ltd (GBR)
B50149-1 PRIMARY	Mission Systems Orchard Park Inc (USA)

Reference documents

Reference	Meaning
B50149-1	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 5310-01-485-6904?

NSN 5310-01-485-6904 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 5310-01-485-6904?

NSN 5310-01-485-6904 has 2 manufacturer part numbers on file: B50149-1 (Msi-Defence Systems Ltd), B50149-1 (Mission Systems Orchard Park Inc).

Is NSN 5310-01-485-6904 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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