NSN 4921-01-463-0787 · NIIN 014630787 · Part number 6557727
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 4921-01-463-0787 — this item is cataloged by the U.S. Government under National Stock Number 4921-01-463-0787. Manufacturer of record part number: 6557727.
Also searched as4921-01-463-0787 ·
4921014630787 ·
NIIN 014630787 ·
01-463-0787 ·
FSC 4921 Torpedo Maintenance, Repair, and Checkout Specialized Equipment · CAGE 53711 · 6557727
FSC: 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: 6557727
Manufacturer: Naval Sea Systems Command
General Description
The Tool Retainer,valve, cataloged under National Stock Number 4921-01-463-0787, 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. 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 4921-01-463-0787?
NSN 4921-01-463-0787 is a Tool Retainer,valve, 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 4921-01-463-0787?
NSN 4921-01-463-0787 has 1 manufacturer part number on file: 6557727 (Naval Sea Systems Command).
What are the specifications of 6557727?
Key specifications for 6557727: Overall Width: 0.150 INCHES NOMINAL IN; Special Features: TOOL,INSTALLATION AND REMOVAL, BODY VALVE,FSCM53711, PL6557721; End Item Identification: USED ON TORPEDO, ADCAP48; TOOL RETAINER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4921-01-463-0787 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.