The Pipe,air Conditioning-Heating, cataloged under National Stock Number 4520-01-252-2726, 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 Nordam Group Llc, the Div Nordam. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-252-2726 |
| Primary Part Number | 5107-3005-101 |
| Item Name | Pipe,air Conditioning-Heating |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Nordam Group Llc, the Div Nordam |
| Status | ACTIVE |
| Cross-Sectional Width | 4.000 INCHES NOMINAL IN |
| Shape | RECTANGULAR |
| Cross-Sectional Length | 80.700 INCHES NOMINAL IN |
| Construction | SINGLE |
| Material | ALUMINUM |
| 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 |
|---|---|
| 5107-3005-101 PRIMARY | Nordam Group Llc, the Div Nordam (USA) |
| Reference | Meaning |
|---|---|
| 5107-3005 | D/9 Drawing number reference only Nordam Group Llc, the Div Nordam |
NSN 4520-01-252-2726 is a Pipe,air Conditioning-Heating, manufactured by Nordam Group Llc, the Div Nordam, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-252-2726 has 1 manufacturer part number on file: 5107-3005-101 (Nordam Group Llc, the Div Nordam).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-252-4894. Verify interchangeability with system specifications before substitution.
Key specifications for 5107-3005-101: Cross-Sectional Width: 4.000 INCHES NOMINAL IN; Shape: RECTANGULAR; Cross-Sectional Length: 80.700 INCHES NOMINAL IN; Construction: SINGLE. 5 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.