The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-426-2365, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Edwards High Vacuum (part of Boc Ltd). Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-426-2365 |
| Primary Part Number | H170-36 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Edwards High Vacuum (part of Boc Ltd) |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Body Style | SINGLE HEAT RING |
| Element Connection Style | WIRE LEAD |
| Outside Diameter | 4.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| H170-36 PRIMARY | Edwards High Vacuum (part of Boc Ltd) (GBR) |
| Reference | Meaning |
|---|---|
| H170-36 | 5/9 Secondary reference Conrac Systems Inc |
NSN 4520-00-426-2365 is a Heating Element,electrical,nonim, manufactured by Edwards High Vacuum (part of Boc Ltd), classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-426-2365 has 1 manufacturer part number on file: H170-36 (Edwards High Vacuum (part of Boc Ltd)).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-8731. Verify interchangeability with system specifications before substitution.
Key specifications for H170-36: Terminal Quantity: 2; Body Style: SINGLE HEAT RING; Element Connection Style: WIRE LEAD; Outside Diameter: 4.000 INCHES NOMINAL IN. 4 specifications are 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.