The Cover,valve, cataloged under National Stock Number 3655-01-155-5978, is classified within Federal Supply Class 3655 (Gas Generating and Dispensing Systems, Fixed or Mobile) of the Special Industry Machinery group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3655-01-155-5978 |
| Primary Part Number | W138298 |
| Item Name | Cover,valve |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| General Characteristics Item Description | 6.750 IN. L; 6.560 IN. W; 0.370 IN. D; 6 0.562 IN. DIA MTG HOLES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| W138298 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| W138298 | 5/9 Secondary reference U.S. Government activity |
| W138298 | 5/9 Secondary reference Ingersoll-Rand Company Dba Rotary Compressor Division |
| W138298 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 3655-01-155-5978 is a Cover,valve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
NSN 3655-01-155-5978 has 1 manufacturer part number on file: W138298 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for W138298: General Characteristics Item Description: 6.750 IN. L; 6.560 IN. W; 0.370 IN. D; 6 0.562 IN. DIA MTG HOLES IN. 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.
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.