NSN 4921-01-520-4313 · NIIN 015204313 · Part number 6239850
Naval Sea Systems Command · FSC 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 53711
Government record, cited
NSN 4921-01-520-4313 — this item is cataloged by the U.S. Government under National Stock Number 4921-01-520-4313. Manufacturer of record part number: 6239850.
Also searched as4921-01-520-4313 ·
4921015204313 ·
NIIN 015204313 ·
01-520-4313 ·
FSC 4921 Torpedo Maintenance, Repair, and Checkout Specialized Equipment · CAGE 53711 · 6239850
Nearby stock numbers← 4921-01-504-6117 Test Set Subassembly, Torpedo Com
·
4921-01-525-2640 →
Features
Chock,torpedo — FSC 4921
General Characteristics Item Description: MOLDED POLYURETHANE WITH 6061-T6 ALUMINUM SHELL
Color: YELLOW
Material: ALUMINUM ALLOY AND PLASTIC
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 4921-01-520-4313
NIIN: 015204313
FSC: 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: 6239850
Manufacturer: Naval Sea Systems Command
General Description
The Chock,torpedo, cataloged under National Stock Number 4921-01-520-4313, is classified within Federal Supply Class 4921 (Torpedo Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, 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. Current acquisition status: Active.
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 4921-01-520-4313?
NSN 4921-01-520-4313 is a Chock,torpedo, manufactured by Naval Sea Systems Command, classified under FSC 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
What part numbers are listed for NSN 4921-01-520-4313?
NSN 4921-01-520-4313 has 1 manufacturer part number on file: 6239850 (Naval Sea Systems Command).
What are the specifications of 6239850?
Key specifications for 6239850: General Characteristics Item Description: MOLDED POLYURETHANE WITH 6061-T6 ALUMINUM SHELL; Overall Length: 13.690 INCHES NOMINAL IN; Overall Width: 21.670 INCHES NOMINAL IN; Color: YELLOW. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4921-01-520-4313 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 4921-01-520-4313?
NSN 4921-01-520-4313 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.