The Boot,filter, cataloged under National Stock Number 5342-00-017-8048, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Mine Safety Appliances Company. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5342-00-017-8048 |
| Primary Part Number | 73365 |
| Item Name | Boot,filter |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| FSC Application Data | HEAT AND VENT SYSTEM,AIR CONDITIONING,AIRCRAFT |
| General Characteristics Item Description | 3.750 IN. OD,0.720 IN. MIN 0.780 IN. MAX ID,1.875 IN. H IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY AIRESEARCH MFG CO. SOURCE CONTROLLING DWG 137846 |
| 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 |
|---|---|
| 73365 | Mine Safety Appliances Company (USA) |
| 137846 | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 137846 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| CU73365 | 5/9 Secondary reference Mine Safety Appliances Company |
NSN 5342-00-017-8048 is a Boot,filter, manufactured by Mine Safety Appliances Company, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-017-8048 has 2 manufacturer part numbers on file: 73365 (Mine Safety Appliances Company), 137846 (Honeywell International, Inc Div Aerospace-Tucson).
2 possible matches (shared part number, not a government interchangeability claim): 2540-01-342-6575, 2540-01-350-0082. Verify interchangeability with system specifications before substitution.
Key specifications for 73365: FSC Application Data: HEAT AND VENT SYSTEM,AIR CONDITIONING,AIRCRAFT; General Characteristics Item Description: 3.750 IN. OD,0.720 IN. MIN 0.780 IN. MAX ID,1.875 IN. H IN; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY AIRESEARCH MFG CO. SOURCE CONTROLLING DWG 137846. 3 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.