The Gagging Device,valve, cataloged under National Stock Number 4820-01-508-7352, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-508-7352 |
| Primary Part Number | 209-6937441 ITEM 144 TO 150 |
| Item Name | Gagging Device,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Functional Description | USED TO SECURE VALVE FOR MAINTENANCE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 209-6937441 ITEM 144 TO 150 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 697441 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 810-2178000 ITEM 12 TO 18 | 5/9 Secondary reference U.S. Government activity |
| 2178000 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-508-7352 is a Gagging Device,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-508-7352 has 1 manufacturer part number on file: 209-6937441 ITEM 144 TO 150 (Huntington Ingalls Inc Div Newport News Shipbuilding).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-508-8321. Verify interchangeability with system specifications before substitution.
Key specifications for 209-6937441 ITEM 144 TO 150: Functional Description: USED TO SECURE VALVE FOR MAINTENANCE; Part Name Assigned by Controlling Agency: GAGGING TOOL; End Item Identification: 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.
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.