NSN 5342-00-397-7497 · NIIN 003977497 · Part number 303251
Lockheed Martin Corporation Div Rms - Mitchel Field · FSC 5342 — Hardware, Weapon System · FSG 53 — Hardware and Abrasives · CAGE 56232
Government record, cited
NSN 5342-00-397-7497 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-397-7497. Manufacturer of record part number: 303251.
Also searched as5342-00-397-7497 ·
5342003977497 ·
NIIN 003977497 ·
00-397-7497 ·
FSC 5342 Hardware, Weapon System · CAGE 56232 · 303251
Nearby stock numbers← 5342-00-397-7365 Lever Assembly
·
5342-00-397-9241 Bracket, Fan Moun →
Features
Retainer Assembly,s — FSC 5342
1 manufacturer part number on file
Manufacturer of record: Lockheed Martin Corporation Div Rms - Mitchel Field
Identification
NSN: 5342-00-397-7497
NIIN: 003977497
FSC: 5342 — Hardware, Weapon System
FSG: 53 — Hardware and Abrasives
Primary part number: 303251
Manufacturer: Lockheed Martin Corporation Div Rms - Mitchel Field
General Description
The Retainer Assembly,s, cataloged under National Stock Number 5342-00-397-7497, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Retainer Assembly,s
FSC / FSG
5342 — Hardware, Weapon System (FSG 53)
Manufacturers
Lockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232)
Technical Specifications
Parameter
Value
NSN
5342-00-397-7497
Primary Part Number
303251
Item Name
Retainer Assembly,s
FSC / FSG
5342 / 53 — Hardware, Weapon System
Manufacturer
Lockheed Martin Corporation Div Rms - Mitchel Field
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6530-01-458-40133032-51POSSIBLE MATCH
BAG,SAMPLING
Possible match (shared part number)Weber Scientific
3460-01-595-0501303251POSSIBLE MATCH
GRINDING MACHINE,MACHINE TOOL AT
Possible match (shared part number)Omax Corporation
Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
6530-01-458-4013POSSIBLE MATCH
BAG,SAMPLING
3032-51
3460-01-595-0501POSSIBLE MATCH
GRINDING MACHINE,MACHINE TOOL AT
303251
5310-01-602-9189POSSIBLE MATCH
WASHER,FLAT
Frequently Asked Questions
What is NSN 5342-00-397-7497?
NSN 5342-00-397-7497 is a Retainer Assembly,s, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5342, Hardware, Weapon System. Status: active.
What part numbers are listed for NSN 5342-00-397-7497?
NSN 5342-00-397-7497 has 1 manufacturer part number on file: 303251 (Lockheed Martin Corporation Div Rms - Mitchel Field).
What NSN replaces 5342-00-397-7497?
3 possible matches (shared part number, not a government interchangeability claim): 6530-01-458-4013, 3460-01-595-0501, 5310-01-602-9189. Verify interchangeability with system specifications before substitution.
Is NSN 5342-00-397-7497 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.