The Extension Assembly, cataloged under National Stock Number 3655-01-202-7985, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3655-01-202-7985 |
| Item Name | Extension Assembly |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Status | ACTIVE |
| General Characteristics Item Description | 1.500 IN. LONG STEM EXTENSION; UTILIZED ON WEIR TYPE DIAPHRAGM VALVE; NO SPECIAL CLEANING REQUIRED 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 |
|---|---|
| 000840 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3655-01-202-7985 is a Extension Assembly, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
Key specifications for 3655-01-202-7985: General Characteristics Item Description: 1.500 IN. LONG STEM EXTENSION; UTILIZED ON WEIR TYPE DIAPHRAGM VALVE; NO SPECIAL CLEANING REQUIRED 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.