The Safety Shut-Off Housing Assembly, cataloged under National Stock Number 4530-01-349-7635, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Todd Combustion Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4530-01-349-7635 |
| Primary Part Number | H-8-16-3 |
| Item Name | Safety Shut-Off Housing Assembly |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Todd Combustion Inc |
| Status | ACTIVE |
| General Characteristics Item Description | W/STEAM AND OIL PORTS,2 1/4 IN.THDS-NPT;INCLUDES INTERNAL CHECK VALVE AND SPRING IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4530-01-349-7635 is a Safety Shut-Off Housing Assembly, manufactured by Todd Combustion Inc, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-01-349-7635 has 2 manufacturer part numbers on file: H-8-16-3 (Todd Combustion Inc), 25354 (Todd Combustion Inc).
Key specifications for H-8-16-3: General Characteristics Item Description: W/STEAM AND OIL PORTS,2 1/4 IN.THDS-NPT;INCLUDES INTERNAL CHECK VALVE AND SPRING IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.