The Power Vent Assembly, cataloged under National Stock Number 2540-01-442-1680, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-442-1680 |
| Primary Part Number | 6109D97G01 |
| Item Name | Power Vent Assembly |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL: 70-30 COPPER-NICKEL, SOFT (ANNEALED) TEMPER BAR, SHEET OR PLATE; HYDROSTATIC PREESURE AND LEAK TEST TO 275 PSIG; HEX HEAD PLUG, STRAIGHT THREAD O-RING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 6109D97G01 | Ammcon Corp. (USA) |
| 1347H71-69 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 6109D97G01 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| Reference | Meaning |
|---|---|
| 6109D97 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Div Marine Systems |
| 1347H71 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Div Marine Systems |
NSN 2540-01-442-1680 is a Power Vent Assembly, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-442-1680 has 3 manufacturer part numbers on file: 6109D97G01 (Ammcon Corp.), 1347H71-69 (Northrop Grumman Systems Corporation Div Marine Systems), 6109D97G01 (Northrop Grumman Systems Corporation Div Marine Systems).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-442-1682. Verify interchangeability with system specifications before substitution.
Key specifications for 6109D97G01: General Characteristics Item Description: MATERIAL: 70-30 COPPER-NICKEL, SOFT (ANNEALED) TEMPER BAR, SHEET OR PLATE; HYDROSTATIC PREESURE AND LEAK TEST TO 275 PSIG; HEX HEAD PLUG, STRAIGHT THREAD O-RING; End Item Identification: USED ON THE WEAPON SYSTEM SEAWOLF CLASS SSN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2540-01-442-1680 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.