The Breather, cataloged under National Stock Number 2520-00-101-2279, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Morris Material Handling, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 2520-00-101-2279 |
| Primary Part Number | 44Z1D67 |
| Item Name | Breather |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Morris Material Handling, Inc. |
| Status | ACTIVE |
| Connection Type | THREADED |
| Thread Size and Series/type Designator | 1/8-27 NPT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 44Z1D67 PRIMARY | Morris Material Handling, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 300290 | 3/9 Design control — primary reference Stewart-Warner Alemite Sales Co Inc |
| G300290 | 5/9 Secondary reference Stewart-Warner Alemite Sales Co Inc |
| 300290 | 5/9 Secondary reference Stewart-Warner Corporation |
NSN 2520-00-101-2279 is a Breather, manufactured by Morris Material Handling, Inc., classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-101-2279 has 1 manufacturer part number on file: 44Z1D67 (Morris Material Handling, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 3110-00-120-4268, 5910-00-668-1156, 5935-01-306-2377. Verify interchangeability with system specifications before substitution.
Key specifications for 44Z1D67: Connection Type: THREADED; Overall Length: 0.922 INCHES MAXIMUM IN; Special Features: OPENING PROTECTED BY METAL CAP; End Item Identification: HARNISCHFEGER CORP.;MODEL M320T2,CRANE TRUCK MOUNTED,NSN 3810-00-151-4431. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.