The Respirator,air Filtering, cataloged under National Stock Number 4240-01-677-2284, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Spearpoint Solutions & Technology. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4240-01-677-2284 |
| Primary Part Number | G055-1000-01 |
| Item Name | Respirator,air Filtering |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Spearpoint Solutions & Technology |
| Status | ACTIVE |
| Mask Filter Quantity | 2 |
| Mask Type | HALF FACEPIECE |
| Furnished Filter Type and Quantity | 2 FILTER PAD |
| Head Harness | INCLUDED |
| Strap Type | DOUBLE |
| Filter Replaceability | REPLACEABLE |
| 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 |
|---|---|
| G055-1000-01 | Spearpoint Solutions & Technology (AUS) |
| Reference | Meaning |
|---|---|
| G055-1000-01 | 5/9 Secondary reference Ops-Core Inc. |
| 4240SH0038774 | 6/9 Informative reference only Centre Interarmees Du Soutien Equipements Commissariat |
| G055-1000-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4240-01-677-2284 is a Respirator,air Filtering, manufactured by Spearpoint Solutions & Technology, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-677-2284 has 1 manufacturer part number on file: G055-1000-01 (Spearpoint Solutions & Technology).
Key specifications for G055-1000-01: Mask Filter Quantity: 2; Mask Type: HALF FACEPIECE; Furnished Filter Type and Quantity: 2 FILTER PAD; Head Harness: INCLUDED. 6 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.