The Gagging Device,valve, cataloged under National Stock Number 4820-01-493-3483, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-493-3483 |
| Primary Part Number | 751-6405228-105 |
| Item Name | Gagging Device,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Accessory Components and Quantity | ASSEMBLY INCLUDES: BRACKET (PT ID 211097026), 1;COLLAR,GAGGING (PT ID 211097028, 1;RING,HOIST,SWIVEL (PT ID 211097032), 2;NUT,HEX,JAM,WASHER FACE/DBL (PT ID 211073360),4;O-RING,FLUOROCARBON ELASTOMER (PT ID 211004580), 4;SCREW,SWIVEL PAD,CLAMP,HEX HEAD (PT ID 211097034), 4;LOCK,CAM,KEY,VARIOUS,14 TUMBLERS (PT ID 211097040), 1;CAM,STRAIGHT,LOCK, (PT ID 211097042) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 751-6402992-AY99 | Naval Sea Systems Command (USA) |
| 751-6405228-105 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6405228C01 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-493-3483 is a Gagging Device,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-493-3483 has 2 manufacturer part numbers on file: 751-6402992-AY99 (Naval Sea Systems Command), 751-6405228-105 (Naval Sea Systems Command).
Key specifications for 751-6405228-105: Accessory Components and Quantity: ASSEMBLY INCLUDES: BRACKET (PT ID 211097026), 1;COLLAR,GAGGING (PT ID 211097028, 1;RING,HOIST,SWIVEL (PT ID 211097032), 2;NUT,HEX,JAM,WASHER FACE/DBL (PT ID 211073360),4;O-RING,FLUOROCARBON ELASTOMER (PT ID 211004580), 4;SCREW,SWIVEL PAD,CLAMP,HEX HEAD (PT ID 211097034), 4;LOCK,CAM,KEY,VARIOUS,14 TUMBLERS (PT ID 211097040), 1;CAM,STRAIGHT,LOCK, (PT ID 211097042); Special Features: NHA PANEL ALARM; ASSEMBLY WILL BE PERMANENTLY INSTALLED TO THE ACTUATOR FDN USING (4) FOUR SOC. HD. CAP SCREWS; Part Name Assigned by Controlling Agency: SHUTTER DOOR GAGGING DEVISE ASSEMBLY; End Item Identification: TORPEDO TUBE SHUTTER DOOR LOS ANGELES CLASS SSN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-493-3483 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.