The Rupture Unit, cataloged under National Stock Number 3655-01-176-3665, 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 Fike Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3655-01-176-3665 |
| Primary Part Number | 1/2-100SA-476 |
| Item Name | Rupture Unit |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Manufacturer | Fike Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 1/2-100SA-476 PRIMARY | Fike Corporation (USA) |
| SF-57TYB-476 PRIMARY | Bs&b Safety Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 1426AS108-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 3655-01-176-3665 is a Rupture Unit, manufactured by Fike Corporation, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
NSN 3655-01-176-3665 has 2 manufacturer part numbers on file: 1/2-100SA-476 (Fike Corporation), SF-57TYB-476 (Bs&b Safety Systems Llc).
Key specifications for 1/2-100SA-476: End Item Identification: OXYGEN TRAILER. 0 specifications are 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.