PartsTable TECHNICAL DATA SHEET

NSN 5342-01-312-6223Government record, cited

Cap, Mounting, Special5342-01-312-6223

NSN 5342-01-312-6223 · NIIN 013126223 · Part number LM303-266

Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters · FSC 5342 — Hardware, Weapon System · FSG 53 — Hardware and Abrasives · CAGE 45681

Government record, cited

NSN 5342-01-312-6223 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-312-6223. Manufacturer of record part number: LM303-266.

Also searched as 5342-01-312-6223 · 5342013126223 · NIIN 013126223 · 01-312-6223 · FSC 5342 Hardware, Weapon System · CAGE 45681 · LM303-266

Nearby stock numbers ← 5342-01-312-6132 Bracket, Fuse Holder · 5342-01-312-6356 Fairlead, Asymmetry Switch →

Features

Cap,mounting,special — FSC 5342
1 manufacturer part number on file
Manufacturer of record: Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters

Identification

NSN: 5342-01-312-6223
NIIN: 013126223
FSC: 5342 — Hardware, Weapon System
FSG: 53 — Hardware and Abrasives
Primary part number: LM303-266
Manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters

General Description

The Cap,mounting,special, cataloged under National Stock Number 5342-01-312-6223, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5342-01-312-6223
Primary Part Number	LM303-266
Item Name	Cap,mounting,special
FSC / FSG	5342 / 53 — Hardware, Weapon System
Manufacturer	Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters
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	F

Cross-Reference Index

Part Number	Manufacturer
LM303-266 PRIMARY	Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)

Reference documents

Reference	Meaning
LM303-266	5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
LM303-266	5/9 Secondary reference Lord Corporation Dba Lord Corp

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 5342-01-312-6223?

NSN 5342-01-312-6223 is a Cap,mounting,special, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters, classified under FSC 5342, Hardware, Weapon System. Status: active.

What part numbers are listed for NSN 5342-01-312-6223?

NSN 5342-01-312-6223 has 1 manufacturer part number on file: LM303-266 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters).

What are the specifications of LM303-266?

Key specifications for LM303-266: End Item Identification: CH-53E HELO. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5342-01-312-6223 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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