Leg and Knuckle Ass4921-01-075-5203

NSN 4921-01-075-5203 · NIIN 010755203

FSC 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment

Government record, cited

Also searched as 4921-01-075-5203 · 4921010755203 · NIIN 010755203 · 01-075-5203 · FSC 4921 Torpedo Maintenance, Repair, and Checkout Specialized Equipment

Nearby stock numbers ← 4921-01-074-1943 Scoop, Water Inlet · 4921-01-075-5204 Strap, Clamping →

Features

Leg and Knuckle Ass — FSC 4921

Identification

NSN: 4921-01-075-5203
NIIN: 010755203
FSC: 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment

General Description

The Leg and Knuckle Ass, cataloged under National Stock Number 4921-01-075-5203, is classified within Federal Supply Class 4921 (Torpedo Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Leg and Knuckle Ass
FSC / FSG	4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment (FSG 49)

Technical Specifications

Parameter	Value
NSN	4921-01-075-5203
Item Name	Leg and Knuckle Ass
FSC / FSG	4921 / 49 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
3180798	3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

No interchangeability data on file.

Other items in FSC 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment

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

4921-00-001-6500

4921-00-001-6500 · Item name not on file

4921-00-003-1270

4921-00-003-1270 · Item name not on file

4921-00-003-1271

4921-00-003-1271 · Item name not on file

4921-00-003-1273

TEST SET SUBASSEMBLY,TORPEDO COM

4921-00-003-1274

4921-00-003-1274 · Item name not on file

4921-00-003-1275

4921-00-003-1275 · Item name not on file

4921-00-003-1276

4921-00-003-1276 · Item name not on file

4921-00-003-1278

4921-00-003-1278 · Item name not on file

Frequently Asked Questions

What is NSN 4921-01-075-5203?

NSN 4921-01-075-5203 is a Leg and Knuckle Ass, classified under FSC 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. Status: active.

Is NSN 4921-01-075-5203 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 4921-01-075-5203?

NSN 4921-01-075-5203 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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