The Radiator, cataloged under National Stock Number 4520-01-095-4802, 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 L3 Technologies, Inc. Div L3 Keo. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4520-01-095-4802 |
| Primary Part Number | 039581 |
| Item Name | Radiator |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL BRASS QQ-B-626 CDA 360 1/2 HARD,SILVER PLATE QQ-S-365 TYPE 1 GRADE A AND GOLD FLASH MIL-G-45204 TYPE 1 CLASS 1,OUTSIDE DIA 0.160 IN. MIN AND 0.164 IN. MAX,INSIDE DIA 0.052 IN. MIN AND 0.054 IN. MAX THRU,LENGTH 0.155 IN. MIN AND 0.163 IN. MAX IN |
| 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 |
|---|---|
| 039581 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 39581 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| 908B039581 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| 908B039581 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4520-01-095-4802 is a Radiator, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-095-4802 has 1 manufacturer part number on file: 039581 (L3 Technologies, Inc. Div L3 Keo).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-115-8451, 1450-01-646-0367. Verify interchangeability with system specifications before substitution.
Key specifications for 039581: General Characteristics Item Description: MATERIAL BRASS QQ-B-626 CDA 360 1/2 HARD,SILVER PLATE QQ-S-365 TYPE 1 GRADE A AND GOLD FLASH MIL-G-45204 TYPE 1 CLASS 1,OUTSIDE DIA 0.160 IN. MIN AND 0.164 IN. MAX,INSIDE DIA 0.052 IN. MIN AND 0.054 IN. MAX THRU,LENGTH 0.155 IN. MIN AND 0.163 IN. MAX IN. 1 specification is 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.