The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-345-6421, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Space. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-345-6421 |
| Primary Part Number | 731117-1 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Lockheed Martin Corporation Div Space |
| Status | ACTIVE |
| Filtering Media Design | MESH SECOND FILTERING MEDIA RESPONSE |
| Filtering Media Design | POROUS FIRST FILTERING MEDIA RESPONSE |
| Body Overall Length | 10.500 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Material | ALUMINUM FRAME |
| Material | PLASTIC POLYURETHANE AND ALUMINUM FILTERING MEDIUM |
| Body Thickness | 0.880 INCHES NOMINAL 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 |
|---|---|
| 731117-1 PRIMARY | Lockheed Martin Corporation Div Space (USA) |
| Reference | Meaning |
|---|---|
| UAF706 | 5/9 Secondary reference Universal Air Filter Co |
| 731117-1 | 3/9 Design control — primary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions |
| 731117-1 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 4130-01-345-6421 is a Filter Element,air Conditioning, manufactured by Lockheed Martin Corporation Div Space, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-345-6421 has 1 manufacturer part number on file: 731117-1 (Lockheed Martin Corporation Div Space).
Key specifications for 731117-1: Filtering Media Design: MESH SECOND FILTERING MEDIA RESPONSE; Filtering Media Design: POROUS FIRST FILTERING MEDIA RESPONSE; Body Overall Length: 10.500 INCHES NOMINAL IN; Design Type: REUSABLE. 8 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.