The Intercooler,first Stage, cataloged under National Stock Number 3655-01-149-9960, is classified within Federal Supply Class 3655 (Gas Generating and Dispensing Systems, Fixed or Mobile) of the Special Industry Machinery group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3655-01-149-9960 |
| Item Name | Intercooler,first Stage |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Status | ACTIVE |
| General Characteristics Item Description | LENGTH-36.12IN.; DIAMETER-7,25IN.; OPERATING PRESSURE-150 P.S.I.; TEST PRESSURE-250 P.S.I.; MAXIMUM OPERATING TEMP-350 DEG. F IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| F-604-EY-1P | 5/9 Secondary reference Young Touchstone Company Div Young Touchstone |
| D804-1605-8 | 5/9 Secondary reference U.S. Government activity |
| D801-1169 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3655-01-149-9960 is a Intercooler,first Stage, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
Key specifications for 3655-01-149-9960: General Characteristics Item Description: LENGTH-36.12IN.; DIAMETER-7,25IN.; OPERATING PRESSURE-150 P.S.I.; TEST PRESSURE-250 P.S.I.; MAXIMUM OPERATING TEMP-350 DEG. F IN; End Item Identification: 3655008807579. 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.