The Intercooler,fourth Stage, cataloged under National Stock Number 3655-01-150-2048, 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 Graham Corp. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3655-01-150-2048 |
| Primary Part Number | 300-4 |
| Item Name | Intercooler,fourth Stage |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Manufacturer | Graham Corp |
| Status | ACTIVE |
| General Characteristics Item Description | HEIGHT 9.625IN.; DIAMETER 13.250IN.; MAXIMUM WORKING PRESSURE-SHELL SIDE 125 PSIG,TUBE SIDE 1275 PSIG; TEST PRESSURE-SHELL SIDE 190 PSIG,TUBE SIDE 960 PSIG; DESIGN TEMPERATURE-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 |
| Part Number | Manufacturer |
|---|---|
| 300-4 PRIMARY | Graham Corp (USA) |
| Reference | Meaning |
|---|---|
| 300-4 | 5/9 Secondary reference Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3 |
| D804-1605-38 | 5/1 Secondary reference U.S. Government activity |
| D801-1172 | 5/2 Secondary reference U.S. Government activity |
NSN 3655-01-150-2048 is a Intercooler,fourth Stage, manufactured by Graham Corp, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
NSN 3655-01-150-2048 has 1 manufacturer part number on file: 300-4 (Graham Corp).
Key specifications for 300-4: General Characteristics Item Description: HEIGHT 9.625IN.; DIAMETER 13.250IN.; MAXIMUM WORKING PRESSURE-SHELL SIDE 125 PSIG,TUBE SIDE 1275 PSIG; TEST PRESSURE-SHELL SIDE 190 PSIG,TUBE SIDE 960 PSIG; DESIGN TEMPERATURE-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.