The Collar,air Conditioning-Heating, cataloged under National Stock Number 4520-01-515-4210, 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 Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-515-4210 |
| Primary Part Number | 90006A0286 |
| Item Name | Collar,air Conditioning-Heating |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| Status | ACTIVE |
| Style Designator | RECTANGULAR OR SQUARE |
| Fitting Inside Width | 22.930 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Fitting Overall Length | 4.380 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 |
|---|---|
| 90006A0286 PRIMARY | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
NSN 4520-01-515-4210 is a Collar,air Conditioning-Heating, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-515-4210 has 1 manufacturer part number on file: 90006A0286 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).
Key specifications for 90006A0286: Style Designator: RECTANGULAR OR SQUARE; Fitting Inside Width: 22.930 INCHES NOMINAL IN; Special Features: RANGE OF MOTION 90 DEGREE LH OR RH STOPPED AND DETAINED; Part Name Assigned by Controlling Agency: TRANSITION FLANGE DUCT, FRONT. 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.