PartsTable TECHNICAL DATA SHEET

NSN 5342-01-021-4221Government record, cited

Clamp, Assembly5342-01-021-4221

NSN 5342-01-021-4221 · NIIN 010214221 · Part number 2W9779 2N6319 AND 2N2766

Caterpillar Inc Div Caterpillar Defense · FSC 5342 — Hardware, Weapon System · FSG 53 — Hardware and Abrasives · CAGE 11083

Government record, cited

NSN 5342-01-021-4221 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-021-4221. Manufacturer of record part number: 2W9779 2N6319 AND 2N2766.

Also searched as 5342-01-021-4221 · 5342010214221 · NIIN 010214221 · 01-021-4221 · FSC 5342 Hardware, Weapon System · CAGE 11083 · 2W9779 2N6319 AND 2N2766 · 6L8886

Nearby stock numbers ← 5342-01-021-2964 Coupling, Clamp, Grooved · 5342-01-021-5600 Door, Access, Weapon System →

Features

Clamp,assembly — FSC 5342
General Characteristics Item Description: STEEL
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 5342-01-021-4221
NIIN: 010214221
FSC: 5342 — Hardware, Weapon System
FSG: 53 — Hardware and Abrasives
Primary part number: 2W9779 2N6319 AND 2N2766
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Clamp,assembly, cataloged under National Stock Number 5342-01-021-4221, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	5342-01-021-4221
Primary Part Number	2W9779 2N6319 AND 2N2766
Item Name	Clamp,assembly
FSC / FSG	5342 / 53 — Hardware, Weapon System
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
General Characteristics Item Description	STEEL

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
2W9779 2N6319 AND 2N2766 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Reference documents

Reference	Meaning
6L8886	5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense

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 5342-01-021-4221?

NSN 5342-01-021-4221 is a Clamp,assembly, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5342, Hardware, Weapon System. Status: active.

What part numbers are listed for NSN 5342-01-021-4221?

NSN 5342-01-021-4221 has 1 manufacturer part number on file: 2W9779 2N6319 AND 2N2766 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 2W9779 2N6319 AND 2N2766?

Key specifications for 2W9779 2N6319 AND 2N2766: General Characteristics Item Description: STEEL. 1 specification is documented in the U.S. Government catalog.

Is NSN 5342-01-021-4221 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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