The Elbow,air Conditioning-Heating, cataloged under National Stock Number 4520-01-116-1595, 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 The Boeing Company Div Defense. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-116-1595 |
| Primary Part Number | 74A835622-1007 |
| Item Name | Elbow,air Conditioning-Heating |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Overall Diameter | 3.564 INCHES NOMINAL IN |
| Adjustability Feature | NOT INCLUDED |
| Material | TITANIUM ALLOY |
| Construction Type | SINGLE |
| 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 |
|---|---|
| 74A835622-1007 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| 74A835622-1007 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 4520-01-116-1595 is a Elbow,air Conditioning-Heating, manufactured by The Boeing Company Div Defense, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-116-1595 has 2 manufacturer part numbers on file: 74A835622-1007 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 74A835622-1007 (The Boeing Company Div Defense).
Key specifications for 74A835622-1007: Overall Diameter: 3.564 INCHES NOMINAL IN; Adjustability Feature: NOT INCLUDED; Overall Length: 6.280 INCHES NOMINAL IN; Material: TITANIUM ALLOY. 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.