Nut, Self-Locking, Hexagon5310-01-565-0304

NSN 5310-01-565-0304 · NIIN 015650304 · Part number 2K-22M

Metrex Valve Corp. Dba Metrex Valve Corp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 21013

Government record, cited

NSN 5310-01-565-0304 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-565-0304. Manufacturer of record part number: 2K-22M.

Also searched as 5310-01-565-0304 · 5310015650304 · NIIN 015650304 · 01-565-0304 · FSC 5310 Nuts and Washers · CAGE 21013 · 2K-22M · MDFPM-3000-3W IT 45

Nearby stock numbers ← 5310-01-565-0303 Nut, Self-Locking, Hexagon · 5310-01-565-0316 Washer, Flat →

5310-01-565-0304 — Nuts and Washers

Features

Nut,self-Locking,hexagon — FSC 5310
2 manufacturer part numbers on file
Manufacturer of record: Metrex Valve Corp. Dba Metrex Valve Corp

Identification

NSN: 5310-01-565-0304
NIIN: 015650304
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 2K-22M
Manufacturer: Metrex Valve Corp. Dba Metrex Valve Corp

General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-565-0304, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 — Nuts and Washers (FSG 53)
Manufacturers	Metrex Valve Corp. Dba Metrex Valve Corp (CAGE 21013)

Technical Specifications

Parameter	Value
NSN	5310-01-565-0304
Primary Part Number	2K-22M
Item Name	Nut,self-Locking,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Metrex Valve Corp. Dba Metrex Valve Corp
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
MDFPM-3000-3W IT 45	Metrex Valve Corp. Dba Metrex Valve Corp (USA)
2K-22M PRIMARY	Metrex Valve Corp. Dba Metrex Valve Corp (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 5310-01-565-0304?

NSN 5310-01-565-0304 is a Nut,self-Locking,hexagon, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-565-0304?

NSN 5310-01-565-0304 has 2 manufacturer part numbers on file: MDFPM-3000-3W IT 45 (Metrex Valve Corp. Dba Metrex Valve Corp), 2K-22M (Metrex Valve Corp. Dba Metrex Valve Corp).

Is NSN 5310-01-565-0304 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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