PartsTable TECHNICAL DATA SHEET

NSN 5342-01-657-0845Government record, cited

Plate, Mounting5342-01-657-0845

NSN 5342-01-657-0845 · NIIN 016570845 · Part number JS21123

Rolls-Royce Corporation · FSC 5342 — Hardware, Weapon System · FSG 53 — Hardware and Abrasives · CAGE 63005

Government record, cited

NSN 5342-01-657-0845 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-657-0845. Manufacturer of record part number: JS21123.

Also searched as 5342-01-657-0845 · 5342016570845 · NIIN 016570845 · 01-657-0845 · FSC 5342 Hardware, Weapon System · CAGE 63005 · JS21123

Nearby stock numbers ← 5342-01-657-0844 Plate, Mounting · 5342-01-657-0966 Bracket, Mounting →

Features

Plate,mounting — FSC 5342
1 manufacturer part number on file
Manufacturer of record: Rolls-Royce Corporation

Identification

NSN: 5342-01-657-0845
NIIN: 016570845
FSC: 5342 — Hardware, Weapon System
FSG: 53 — Hardware and Abrasives
Primary part number: JS21123
Manufacturer: Rolls-Royce Corporation

General Description

The Plate,mounting, cataloged under National Stock Number 5342-01-657-0845, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Plate,mounting
FSC / FSG	5342 — Hardware, Weapon System (FSG 53)
Manufacturers	Rolls-Royce Corporation (CAGE 63005)

Technical Specifications

Parameter	Value
NSN	5342-01-657-0845
Primary Part Number	JS21123
Item Name	Plate,mounting
FSC / FSG	5342 / 53 — Hardware, Weapon System
Manufacturer	Rolls-Royce Corporation
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL D — Destroy Item
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
JS21123 PRIMARY	Rolls-Royce Corporation (USA)

Reference documents

Reference	Meaning
JS21123	5/9 Secondary reference Rolls-Royce Plc Div Defense (europe)

No interchangeability data on file.

Other items in FSC 5342 — Hardware, Weapon System

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

5342-00-001-1696

5342-00-001-1696 · Item name not on file

5342-00-001-1972

STRAP WEBBING ASSEMBLY

5342-00-001-1980

STRAP WEBBING ASSEMBLY

5342-00-001-2492

BRACKET,FUEL TUBE TO CASE

5342-00-001-2502

BRACKET,QUICK DISC

5342-00-001-3915

CLIP,SPECIAL

5342-00-001-4001

HANDLE ASSEMBLY

5342-00-001-4655

5342-00-001-4655 · Item name not on file

Frequently Asked Questions

What is NSN 5342-01-657-0845?

NSN 5342-01-657-0845 is a Plate,mounting, manufactured by Rolls-Royce Corporation, classified under FSC 5342, Hardware, Weapon System. Status: active.

What part numbers are listed for NSN 5342-01-657-0845?

NSN 5342-01-657-0845 has 1 manufacturer part number on file: JS21123 (Rolls-Royce Corporation).

Is NSN 5342-01-657-0845 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.

What is the DEMIL code for NSN 5342-01-657-0845?

NSN 5342-01-657-0845 has DEMIL Code D. 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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