PartsTable TECHNICAL DATA SHEET

NSN 5310-01-495-4729Government record, cited

Washer, Flat5310-01-495-4729

NSN 5310-01-495-4729 · NIIN 014954729 · Part number H42409-31-A05

Defense Maritime Solutions, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0EYA6

Government record, cited

NSN 5310-01-495-4729 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-495-4729. Manufacturer of record part number: H42409-31-A05.

Also searched as 5310-01-495-4729 · 5310014954729 · NIIN 014954729 · 01-495-4729 · FSC 5310 Nuts and Washers · CAGE 0EYA6 · H42409-31-A05 · H72272-01-2-3 · H72272-01-2-3

Nearby stock numbers ← 5310-01-495-4666 Nut, Plain, Blind Rivet · 5310-01-495-4731 Nut, Plain, Hexagon →

5310-01-495-4729 — Nuts and Washers

Features

Washer,flat — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Defense Maritime Solutions, Inc.

Identification

NSN: 5310-01-495-4729
NIIN: 014954729
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: H42409-31-A05
Manufacturer: Defense Maritime Solutions, Inc.

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-495-4729, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Defense Maritime Solutions, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	Defense Maritime Solutions, Inc. (CAGE 0EYA6)

Technical Specifications

Parameter	Value
NSN	5310-01-495-4729
Primary Part Number	H42409-31-A05
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Defense Maritime Solutions, 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
H72272-01-2-3	Defense Maritime Solutions, Inc. (USA)
H42409-31-A05 PRIMARY	Defense Maritime Solutions, Inc. (USA)

Reference documents

Reference	Meaning
H72272-01-2-3	5/9 Secondary reference Wartsila Lips Inc
H42409-31-A05	5/9 Secondary reference Wartsila Lips Inc

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 5310-01-495-4729?

NSN 5310-01-495-4729 is a Washer,flat, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-495-4729?

NSN 5310-01-495-4729 has 2 manufacturer part numbers on file: H72272-01-2-3 (Defense Maritime Solutions, Inc.), H42409-31-A05 (Defense Maritime Solutions, Inc.).

Is NSN 5310-01-495-4729 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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