The Valve,exhaust Torpedo, cataloged under National Stock Number 1355-00-147-2991, is classified within Federal Supply Class 1355 (Torpedos and Components, Inert) of the Ammunition and Explosives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 6 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. 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 | 1355-00-147-2991 |
| Primary Part Number | 1874002 |
| Item Name | Valve,exhaust Torpedo |
| FSC / FSG | 1355 / 13 — Torpedos and Components, Inert |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | O-A 2.688 IN. LG,2.070 IN. DIA,C-O HOUSING W-GUIDE,SPRING,RETAINING RING AND GUIDE FOR TORPEDO MK 46-0-1-2 IN |
| Package Nominal Overall Diameter | 5.88 INCHES IN |
| Package Nominal Overall Length and Type | 5.25 INCHES SHIPPING CONTAINER IN |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Gross Weight | 2.0 SHIPPING CONTAINER POUNDS AND 2.0 PALLET POUNDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 1874002 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 1355-00-147-2991 is a Valve,exhaust Torpedo, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1355, Torpedos and Components, Inert. Status: active.
NSN 1355-00-147-2991 has 1 manufacturer part number on file: 1874002 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-520-8856. Verify interchangeability with system specifications before substitution.
Key specifications for 1874002: General Characteristics Item Description: O-A 2.688 IN. LG,2.070 IN. DIA,C-O HOUSING W-GUIDE,SPRING,RETAINING RING AND GUIDE FOR TORPEDO MK 46-0-1-2 IN; Package Nominal Overall Diameter: 5.88 INCHES IN; Package Nominal Overall Length and Type: 5.25 INCHES SHIPPING CONTAINER IN; Unable to Decode: UNABLE TO DECODE. 6 specifications are 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 1355-00-147-2991 has DEMIL Code Q. 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.