The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-261-7988, 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 Universal Air Filter Co. Government technical data includes 9 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. 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 | 4130-01-261-7988 |
| Primary Part Number | W-101 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Universal Air Filter Co |
| Status | ACTIVE |
| Filtering Media Design | POROUS SINGLE FILTERING MEDIA RESPONSE |
| Body Overall Length | 10.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-1-86625,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE FRAME |
| Design Type | LIMITED |
| Style Designator | RECTANGULAR (INCL SQUARE) |
| Surface Treatment | ANODIZE FRAME |
| Material | PLASTIC POLYURETHANE FILTERING MEDIUM |
| Material | METAL FRAME |
| Body Thickness | 0.430 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 |
|---|---|
| W-101 PRIMARY | Universal Air Filter Co (USA) |
NSN 4130-01-261-7988 is a Filter Element,air Conditioning, manufactured by Universal Air Filter Co, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-261-7988 has 1 manufacturer part number on file: W-101 (Universal Air Filter Co).
2 possible matches (shared part number, not a government interchangeability claim): 6210-01-352-1449, 5995-01-436-0437. Verify interchangeability with system specifications before substitution.
Key specifications for W-101: Filtering Media Design: POROUS SINGLE FILTERING MEDIA RESPONSE; Body Overall Length: 10.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-1-86625,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE FRAME; Design Type: LIMITED. 9 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.