The Mask,protective,headwound Assemb, cataloged under National Stock Number 4240-00-678-5262, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-00-678-5262 |
| Item Name | Mask,protective,headwound Assemb |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF:KEEPER,DRAWCORD,LEATHER,SPEC KK-L-241;TIP,CLINCH,BRASS OR STL;PATCH,TACK,CLOTH COATED,SPEC MIL-C 51251;TAB,WEBBING,SPEC MIL-W-530;GUSSET,OUTER AND INNER,CLOTH COATED,SPEC MIL-C-51251;WINDOW,VINYL,SPEC MIL-P-5140G;CAPE,FRONT AND REAR,CLOTH COATED,SPEC MIL-C-51251;FILTER,FILTER MATERIAL,SPEC MIL-F-0051095;BUCKLE,WEB STRAP,SIZE 7/8,BRASS OR STL;SEAL,NECK,ASSY;COMPENSATOR,ASSY;BAG,PLASTIC,GENERAL PURPOSE,SPEC PPP-B-26;DIAGRAM,INSTRUCTION G |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MILM51101 | 2/2 Government specification standardization U.S. Government activity |
NSN 4240-00-678-5262 is a Mask,protective,headwound Assemb, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-00-678-5262: General Characteristics Item Description: CONSISTS OF:KEEPER,DRAWCORD,LEATHER,SPEC KK-L-241;TIP,CLINCH,BRASS OR STL;PATCH,TACK,CLOTH COATED,SPEC MIL-C 51251;TAB,WEBBING,SPEC MIL-W-530;GUSSET,OUTER AND INNER,CLOTH COATED,SPEC MIL-C-51251;WINDOW,VINYL,SPEC MIL-P-5140G;CAPE,FRONT AND REAR,CLOTH COATED,SPEC MIL-C-51251;FILTER,FILTER MATERIAL,SPEC MIL-F-0051095;BUCKLE,WEB STRAP,SIZE 7/8,BRASS OR STL;SEAL,NECK,ASSY;COMPENSATOR,ASSY;BAG,PLASTIC,GENERAL PURPOSE,SPEC PPP-B-26;DIAGRAM,INSTRUCTION G; End Item Identification: 4240-00-678-5262. 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 4240-00-678-5262 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.