PartsTable TECHNICAL DATA SHEET

NSN 5340-01-579-6321Government record, cited

Cover, Access5340-01-579-6321

NSN 5340-01-579-6321 · NIIN 015796321 · Part number RG187-3

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

Government record, cited

NSN 5340-01-579-6321 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-579-6321. Manufacturer of record part number: RG187-3.

Also searched as 5340-01-579-6321 · 5340015796321 · NIIN 015796321 · 01-579-6321 · FSC 5340 Hardware, Commercial · CAGE 0L1E5 · RG187-3

Nearby stock numbers ← 5340-01-579-6320 Handle, Crank · 5340-01-579-6322 Handle, Crank →

Features

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

Identification

NSN: 5340-01-579-6321
NIIN: 015796321
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: RG187-3
Manufacturer: Lockheed Martin Corporation

General Description

The Cover,access, cataloged under National Stock Number 5340-01-579-6321, 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	5340-01-579-6321
Primary Part Number	RG187-3
Item Name	Cover,access
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
RG187-3 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 5340-01-579-6321?

NSN 5340-01-579-6321 is a Cover,access, manufactured by Lockheed Martin Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-579-6321?

NSN 5340-01-579-6321 has 1 manufacturer part number on file: RG187-3 (Lockheed Martin Corporation).

What are the specifications of RG187-3?

Key specifications for RG187-3: End Item Identification: U-2. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-579-6321 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 5340-01-579-6321?

NSN 5340-01-579-6321 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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