PartsTable TECHNICAL DATA SHEET

NSN 5310-01-421-4239Government record, cited

Washer, Flat5310-01-421-4239

NSN 5310-01-421-4239 · NIIN 014214239 · Part number 4D0053-12G18-9

Moeller Manufacturing & Supply, Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 58009

Government record, cited

NSN 5310-01-421-4239 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-421-4239. Manufacturer of record part number: 4D0053-12G18-9.

Also searched as 5310-01-421-4239 · 5310014214239 · NIIN 014214239 · 01-421-4239 · FSC 5310 Nuts and Washers · CAGE 58009 · 4D0053-12G18-9

Nearby stock numbers ← 5310-01-421-4238 Washer, Flat · 5310-01-421-4241 Washer, Flat →

5310-01-421-4239 — Nuts and Washers

Features

Washer,flat — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Moeller Manufacturing & Supply, Llc

Identification

NSN: 5310-01-421-4239
NIIN: 014214239
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 4D0053-12G18-9
Manufacturer: Moeller Manufacturing & Supply, Llc

General Description

The Washer,flat, cataloged under National Stock Number 5310-01-421-4239, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moeller Manufacturing & Supply, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Moeller Manufacturing & Supply, Llc (CAGE 58009); Anillo Industries Llc (CAGE 10630)

Technical Specifications

Parameter	Value
NSN	5310-01-421-4239
Primary Part Number	4D0053-12G18-9
Item Name	Washer,flat
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Moeller Manufacturing & Supply, Llc
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
4D0053-12G18-9 PRIMARY	Moeller Manufacturing & Supply, Llc (USA)
4D0053-12G18-9 PRIMARY	Anillo Industries Llc (USA)

Reference documents

Reference	Meaning
4D0053-12G18-9	3/2 Design control — primary reference U.S. Government activity

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 5310-01-421-4239?

NSN 5310-01-421-4239 is a Washer,flat, manufactured by Moeller Manufacturing & Supply, Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-421-4239?

NSN 5310-01-421-4239 has 2 manufacturer part numbers on file: 4D0053-12G18-9 (Moeller Manufacturing & Supply, Llc), 4D0053-12G18-9 (Anillo Industries Llc).

Is NSN 5310-01-421-4239 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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