The Heater,duct Type,stationary, cataloged under National Stock Number 4520-01-213-3552, 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 Boyd Corporation (woburn) Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-213-3552 |
| Primary Part Number | 10170-2 |
| Item Name | Heater,duct Type,stationary |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Boyd Corporation (woburn) Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 10170-2 PRIMARY | Boyd Corporation (woburn) Inc (USA) |
| Reference | Meaning |
|---|---|
| 13084610 | 5/9 Secondary reference Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah |
| 13084610 | 7/2 Vendor item drawing reference Lockheed Martin Corporation |
NSN 4520-01-213-3552 is a Heater,duct Type,stationary, manufactured by Boyd Corporation (woburn) Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-213-3552 has 1 manufacturer part number on file: 10170-2 (Boyd Corporation (woburn) Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6660-01-270-4616, 6750-01-390-0444. Verify interchangeability with system specifications before substitution.
Key specifications for 10170-2: End Item Identification: TARGET ACQUISITION DESIGNATION SIGHT, PILOT. 0 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.