The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-473-3618, 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 Snydergeneral Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4130-01-473-3618 |
| Primary Part Number | M-81 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Snydergeneral Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| M-81 | Snydergeneral Corp (USA) |
| Reference | Meaning |
|---|---|
| M-81 | 3/9 Design control — primary reference Snydergeneral Corp Dba American Air Filter |
NSN 4130-01-473-3618 is a Filter Element,air Conditioning, manufactured by Snydergeneral Corp, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-473-3618 has 1 manufacturer part number on file: M-81 (Snydergeneral Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-523-9033, 1375-01-643-4324. Verify interchangeability with system specifications before substitution.
Key specifications for M-81: End Item Identification: AIR CONDITIONING SYSTEM, P/N MTE 100-HS-K 282 HB ABOARD 87 FT WPB COAST GUARD VESSELS FT. 0 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.