Washer, Flat5310-01-662-3942

NSN 5310-01-662-3942 · NIIN 016623942 · Part number 04043-06

Metalcraft of Mayville Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 1W037

Government record, cited

NSN 5310-01-662-3942 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-662-3942. Manufacturer of record part number: 04043-06.

Also searched as 5310-01-662-3942 · 5310016623942 · NIIN 016623942 · 01-662-3942 · FSC 5310 Nuts and Washers · CAGE 1W037 · 04043-06

Nearby stock numbers ← 5310-01-662-3937 Nut, Plain, Hexagon · 5310-01-662-3946 Washer, Flat →

5310-01-662-3942 — Nuts and Washers

Features

Washer,flat — FSC 5310
Hole Diameter: 0.625 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Metalcraft of Mayville Inc

Identification

NSN: 5310-01-662-3942
NIIN: 016623942
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 04043-06
Manufacturer: Metalcraft of Mayville Inc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-662-3942, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Metalcraft of Mayville Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-662-3942
Primary Part Number	04043-06
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Metalcraft of Mayville Inc
Status	ACTIVE
Hole Diameter	0.625 INCHES NOMINAL IN

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
04043-06 PRIMARY	Metalcraft of Mayville Inc (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 5310-01-662-3942?

NSN 5310-01-662-3942 is a Washer,flat, manufactured by Metalcraft of Mayville Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-662-3942?

NSN 5310-01-662-3942 has 1 manufacturer part number on file: 04043-06 (Metalcraft of Mayville Inc).

What are the specifications of 04043-06?

Key specifications for 04043-06: Special Features: HARDENED; Part Name Assigned by Controlling Agency: FLATWASHER; End Item Identification: 48V INCH AND 52V INCH CUTTER DECKS V; Hole Diameter: 0.625 INCHES NOMINAL IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 5310-01-662-3942 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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