PartsTable TECHNICAL DATA SHEET

NSN 5340-01-579-6320Government record, cited

Handle, Crank5340-01-579-6320

NSN 5340-01-579-6320 · NIIN 015796320 · Part number YRD4

Lockheed Martin Corporation · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 0L1E5

Government record, cited

NSN 5340-01-579-6320 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-579-6320. Manufacturer of record part number: YRD4.

Also searched as 5340-01-579-6320 · 5340015796320 · NIIN 015796320 · 01-579-6320 · FSC 5340 Hardware, Commercial · CAGE 0L1E5 · YRD4

Nearby stock numbers ← 5340-01-579-6319 Bracket, Mounting · 5340-01-579-6321 Cover, Access →

Features

Handle,crank — FSC 5340
1 manufacturer part number on file
Manufacturer of record: Lockheed Martin Corporation

Identification

NSN: 5340-01-579-6320
NIIN: 015796320
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: YRD4
Manufacturer: Lockheed Martin Corporation

General Description

The Handle,crank, cataloged under National Stock Number 5340-01-579-6320, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications

Parameter	Value
NSN	5340-01-579-6320
Primary Part Number	YRD4
Item Name	Handle,crank
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Lockheed Martin Corporation
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X
Unit of Issue	EA

Cross-Reference Index

Part Number	Manufacturer
YRD4 PRIMARY	Lockheed Martin Corporation (USA)

No interchangeability data on file.

Other items in FSC 5340 — Hardware, Commercial

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5340-00-000-0068

COVER,ACCESS

5340-00-000-0132

SEAT,HELICAL COMPRESSION SPRING

5340-00-000-8150

5340-00-000-8150 · Item name not on file

5340-00-001-1251

5340-00-001-1251 · Item name not on file

5340-00-001-1264

STRAP,WEBBING

5340-00-001-1265

STRAP,WEBBING

5340-00-001-1266

STRAP,WEBBING

5340-00-001-1275

HANDLE,DOOR

Frequently Asked Questions

What is NSN 5340-01-579-6320?

NSN 5340-01-579-6320 is a Handle,crank, manufactured by Lockheed Martin Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-579-6320?

NSN 5340-01-579-6320 has 1 manufacturer part number on file: YRD4 (Lockheed Martin Corporation).

What are the specifications of YRD4?

Key specifications for YRD4: End Item Identification: U-2. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-579-6320 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 5340-01-579-6320?

NSN 5340-01-579-6320 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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