PartsTable TECHNICAL DATA SHEET

NSN 5310-01-486-0503Government record, cited

Washer, Flat5310-01-486-0503

NSN 5310-01-486-0503 · NIIN 014860503 · Part number 840-0375-173

Carver Pump Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 10941

Government record, cited

NSN 5310-01-486-0503 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-486-0503. Manufacturer of record part number: 840-0375-173.

Also searched as 5310-01-486-0503 · 5310014860503 · NIIN 014860503 · 01-486-0503 · FSC 5310 Nuts and Washers · CAGE 10941 · 840-0375-173 · 840-0375C173

Nearby stock numbers ← 5310-01-486-0498 Nut, Plain, Hexagon · 5310-01-486-0598 Washer, Flat →

5310-01-486-0503 — Nuts and Washers

Features

Washer,flat — FSC 5310
1 manufacturer part number on file
Manufacturer of record: Carver Pump Company

Identification

NSN: 5310-01-486-0503
NIIN: 014860503
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 840-0375-173
Manufacturer: Carver Pump Company

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-486-0503, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Carver Pump Company (CAGE 10941)

Technical Specifications

Parameter	Value
NSN	5310-01-486-0503
Primary Part Number	840-0375-173
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Carver Pump Company
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
840-0375-173 PRIMARY	Carver Pump Company (USA)

Reference documents

Reference	Meaning
840-0375C173	3/9 Design control — primary reference Carver Pump Company

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 5310-01-486-0503?

NSN 5310-01-486-0503 is a Washer,flat, manufactured by Carver Pump Company, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-486-0503?

NSN 5310-01-486-0503 has 1 manufacturer part number on file: 840-0375-173 (Carver Pump Company).

Is NSN 5310-01-486-0503 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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