The Rupture Unit, cataloged under National Stock Number 3655-01-176-3666, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3655-01-176-3666 |
| Primary Part Number | 1/2-100SA-2400 |
| Item Name | Rupture Unit |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Manufacturer | Fike Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CRES 303 AND 316; MINUS 65 DEG TO PLUS 160 DEG F,OPERATING TEMP; 3300 PLUS 198 MINUS 99 PSIG BURST PRESSURE; 0.250-18 NPT EXT THD; 2.125 IN. H 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 |
|---|---|
| 1/2-100SA-2400 PRIMARY | Fike Corporation (USA) |
| SF-57TYB-2400 PRIMARY | Bs&b Safety Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 1426AS108-2 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 3655-01-176-3666 is a Rupture Unit, manufactured by Fike Corporation, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
NSN 3655-01-176-3666 has 2 manufacturer part numbers on file: 1/2-100SA-2400 (Fike Corporation), SF-57TYB-2400 (Bs&b Safety Systems Llc).
Key specifications for 1/2-100SA-2400: General Characteristics Item Description: CRES 303 AND 316; MINUS 65 DEG TO PLUS 160 DEG F,OPERATING TEMP; 3300 PLUS 198 MINUS 99 PSIG BURST PRESSURE; 0.250-18 NPT EXT THD; 2.125 IN. H IN; End Item Identification: OXYGEN TRAILER. 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.