The Facepiece,breathing Equipment, cataloged under National Stock Number 4240-01-448-8674, 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 Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-448-8674 |
| Primary Part Number | 6391030-02 |
| Item Name | Facepiece,breathing Equipment |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Facepiece Design | FULL |
| Facepiece Size Designation | UNIVERSAL |
| Spectacle Usage Provision | NOT PROVIDED |
| Facepiece Speaking Diaphragm | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6391030-02 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6391030-02 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4240-01-448-8674 is a Facepiece,breathing Equipment, manufactured by Naval Sea Systems Command, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-448-8674 has 1 manufacturer part number on file: 6391030-02 (Naval Sea Systems Command).
Key specifications for 6391030-02: Facepiece Design: FULL; Facepiece Size Designation: UNIVERSAL; Spectacle Usage Provision: NOT PROVIDED; Facepiece Speaking Diaphragm: NOT INCLUDED. 4 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.
NSN 4240-01-448-8674 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.