The Elbow,air Conditioning-Heating, cataloged under National Stock Number 4520-01-557-6153, 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 Donaldson Company, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Elbow,air Conditioning-Heating |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | General Dynamics Land Systems Canadacorp (CAGE 56161); Donaldson Company, Inc. (CAGE 18265) |
| Parameter | Value |
|---|---|
| NSN | 4520-01-557-6153 |
| Primary Part Number | D1140 |
| Item Name | Elbow,air Conditioning-Heating |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Donaldson Company, 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 |
|---|---|
| R0066659 | General Dynamics Land Systems Canadacorp (CAN) |
| D1140 PRIMARY | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| R0066659 | 7/2 Vendor item drawing reference Denel Vehicle Systems |
| R0066659-0301 | D/9 Drawing number reference only Denel Vehicle Systems |
NSN 4520-01-557-6153 is a Elbow,air Conditioning-Heating, manufactured by Donaldson Company, Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-557-6153 has 2 manufacturer part numbers on file: R0066659 (General Dynamics Land Systems Canadacorp), D1140 (Donaldson Company, Inc.).
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.