The Support,piston, cataloged under National Stock Number 3655-00-778-7835, is classified within Federal Supply Class 3655 (Gas Generating and Dispensing Systems, Fixed or Mobile) of the Special Industry Machinery group. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Support,piston |
| FSC / FSG | 3655 — Gas Generating and Dispensing Systems, Fixed or Mobile (FSG 36) |
| Parameter | Value |
|---|---|
| NSN | 3655-00-778-7835 |
| Item Name | Support,piston |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Reference | Meaning |
|---|---|
| 371493 | 5/9 Secondary reference Brooks Automation, Inc. Div Cti Cryogenics |
| C3-1493 | 5/9 Secondary reference Brooks Automation, Inc. Div Cti Cryogenics |
| 400946X381666 | 3/9 Design control — primary reference Brooks Automation, Inc. Div Cti Cryogenics |
| 400946X38166 | 5/9 Secondary reference Brooks Automation, Inc. Div Cti Cryogenics |
| 400946 | 5/9 Secondary reference Brooks Automation, Inc. Div Cti Cryogenics |
NSN 3655-00-778-7835 is a Support,piston, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 3655-00-979-5739, 5365-01-068-8374, 3110-01-345-0184. Verify interchangeability with system specifications before substitution.
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.