The Register,metal, cataloged under National Stock Number 4520-01-052-1114, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-052-1114 |
| Primary Part Number | 12265700 |
| Item Name | Register,metal |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shape | RECTANGULAR |
| Frame Type | FLAT |
| Frame Removability | NONREMOVABLE |
| 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 |
|---|---|
| 12265700 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 676590-1 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 4520-01-052-1114 is a Register,metal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-052-1114 has 1 manufacturer part number on file: 12265700 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-228-0971. Verify interchangeability with system specifications before substitution.
Key specifications for 12265700: Shape: RECTANGULAR; Frame Type: FLAT; Frame Removability: NONREMOVABLE. 3 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.