The Collar,air Conditioning-Heating, cataloged under National Stock Number 4520-01-421-8061, 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 Austin-Westran Llc. Government technical data includes 1 specification, 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 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 | 4520-01-421-8061 |
| Primary Part Number | 512087 |
| Item Name | Collar,air Conditioning-Heating |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Austin-Westran Llc |
| Status | ACTIVE |
| Diameter | 4.000 INCHES 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 |
|---|---|
| 512087 PRIMARY | Austin-Westran Llc (USA) |
NSN 4520-01-421-8061 is a Collar,air Conditioning-Heating, manufactured by Austin-Westran Llc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-421-8061 has 1 manufacturer part number on file: 512087 (Austin-Westran Llc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-507-0503. Verify interchangeability with system specifications before substitution.
Key specifications for 512087: End Item Identification: 2320-01-318-9902; HEAVY EQUIPMENT TRUCK TRACTOR; Diameter: 4.000 INCHES 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.