The Facepiece,breathing Equipment, cataloged under National Stock Number 4240-01-250-0249, 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 North Safety Products L.l.c. Dba North Safety Products. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-250-0249 |
| Primary Part Number | 7700-11M |
| Item Name | Facepiece,breathing Equipment |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | North Safety Products L.l.c. Dba North Safety Products |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 7700-11M PRIMARY | North Safety Products L.l.c. Dba North Safety Products (USA) |
| Reference | Meaning |
|---|---|
| 7700-11M | 5/9 Secondary reference Siebe North Inc North Safety Equipment Div |
NSN 4240-01-250-0249 is a Facepiece,breathing Equipment, manufactured by North Safety Products L.l.c. Dba North Safety Products, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-250-0249 has 1 manufacturer part number on file: 7700-11M (North Safety Products L.l.c. Dba North Safety Products).
Key specifications for 7700-11M: Criticality Code Justification: FEAT; Special Features: SOLE SORCE REQUIRED BY STATUTE 6.302; DUAL FILTER/CARTRIDGE STYLE; MEDIUM; End Item Identification: NORTH MODEL 7700 SERIES RESPIRATORS. 1 specification is 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.
NSN 4240-01-250-0249 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.