The Helmet,ground Troops', cataloged under National Stock Number 8470-01-633-9616, is classified within Federal Supply Class 8470 (Armor, Personal) of the Clothing, Individual Equipment, and Insignia group. The manufacturer of record is Les Australia Pty Ltd. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 8470-01-633-9616 |
| Primary Part Number | 59-99-643 |
| Item Name | Helmet,ground Troops' |
| FSC / FSG | 8470 / 84 — Armor, Personal |
| Manufacturer | Les Australia Pty Ltd |
| Status | ACTIVE |
| Garment Size | MEDIUM LARGE |
| Headwear Fastening Method | CHIN STRAP, WITH ADJUSTING BUCKLE |
| Color | BLACK MAIN BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 59-99-643 | Les Australia Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 59-99-643 | 3/9 Design control — primary reference Ops-Core Inc. |
NSN 8470-01-633-9616 is a Helmet,ground Troops', manufactured by Les Australia Pty Ltd, classified under FSC 8470, Armor, Personal. Status: active.
NSN 8470-01-633-9616 has 1 manufacturer part number on file: 59-99-643 (Les Australia Pty Ltd).
Key specifications for 59-99-643: Garment Size: MEDIUM LARGE; Headwear Fastening Method: CHIN STRAP, WITH ADJUSTING BUCKLE; Color: BLACK MAIN BODY; Special Features: LIGHTWEIGHT DURABLE VENTED CARBON FIBER SHELL. WEIGHT: 1.50 LBS. UPPER ARC DOVETAIL FOR DEVICES LIKE LOCKING AND ROTATING ADAPTERS THAT UTILIZE EMERGENCY BREAK-AWAY FEATURES FOR AIRBORNE OPERATIONS. CORNER ARC BUCKLE RECEIVER FOR GAS AND O2 MASK STRAP KIT ATTACHMENTS. LOWER ARC DOVETAIL FOR FLIP-OUT COMS HEADSET, BATTERY PACK, GOGGLE STRAP KEEPER, MANDIBLE AND UP-ARMOR SIDE COVERS. STANDARD MARSOC/WARCOM 3-HOLE PATTERN. LBS. 3 specifications are documented in the U.S. Government catalog.
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 8470-01-633-9616 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.