The Pipe,air Conditioning-Heating, cataloged under National Stock Number 4520-01-339-8101, 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 Northrop Grumman Corp Electronic Systems Defensive System Div. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-339-8101 |
| Primary Part Number | 833150-005 |
| Item Name | Pipe,air Conditioning-Heating |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Northrop Grumman Corp Electronic Systems Defensive System Div |
| Status | ACTIVE |
| Shape | SQUARE |
| Construction | 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 |
|---|---|
| 833150-005 PRIMARY | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
| Reference | Meaning |
|---|---|
| 833150 | D/9 Drawing number reference only Northrop Grumman Corp Electronic Systems Defensive System Div |
NSN 4520-01-339-8101 is a Pipe,air Conditioning-Heating, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-339-8101 has 1 manufacturer part number on file: 833150-005 (Northrop Grumman Corp Electronic Systems Defensive System Div).
2 possible matches (shared part number, not a government interchangeability claim): 4520-01-339-8102, 6750-01-429-1911. Verify interchangeability with system specifications before substitution.
Key specifications for 833150-005: Shape: SQUARE; Construction: SINGLE. 2 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.