The Halo Ring and Strap, cataloged under National Stock Number 4240-01-600-9130, 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 Revision Military Limited. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-600-9130 |
| Primary Part Number | 4-0577-9500 |
| Item Name | Halo Ring and Strap |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Revision Military Limited |
| Status | ACTIVE |
| Color | TAN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4-0577-9500 PRIMARY | Revision Military Limited (USA) |
NSN 4240-01-600-9130 is a Halo Ring and Strap, manufactured by Revision Military Limited, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-600-9130 has 1 manufacturer part number on file: 4-0577-9500 (Revision Military Limited).
Key specifications for 4-0577-9500: Overall Height: 2.3 INCHES NOMINAL IN; Overall Length: 7.0 INCHES NOMINAL IN; Overall Width: 3.5 INCHES NOMINAL IN; Color: TAN. 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 4240-01-600-9130 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.