The Retraction Reel Har, cataloged under National Stock Number 1377-00-340-2447, is classified within Federal Supply Class 1377 (Cartridge and Propellant Actuated Devices and Components) of the Ammunition and Explosives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Retraction Reel Har |
| FSC / FSG | 1377 — Cartridge and Propellant Actuated Devices and Components (FSG 13) |
| Manufacturers | Martin-Baker Aircraft Company Limited (CAGE U1604) |
| Parameter | Value |
|---|---|
| NSN | 1377-00-340-2447 |
| Primary Part Number | MB300-1334 |
| Item Name | Retraction Reel Har |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| MB300-1334 | Martin-Baker Aircraft Company Limited (GBR) |
| NB300-1334 | Martin-Baker Aircraft Company Limited (GBR) |
| Reference | Meaning |
|---|---|
| MB300-1334 | 3/9 Design control — primary reference Hk Systems Inc. Dba Material Handling Systems Div |
NSN 1377-00-340-2447 is a Retraction Reel Har, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
NSN 1377-00-340-2447 has 2 manufacturer part numbers on file: MB300-1334 (Martin-Baker Aircraft Company Limited), NB300-1334 (Martin-Baker Aircraft Company Limited).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1377-00-340-2447 has DEMIL Code D. 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.