The Helmet,flyer's, cataloged under National Stock Number 8475-01-728-2429, is classified within Federal Supply Class 8475 (Specialized Flight Clothing and Accessories) of the Clothing, Individual Equipment, and Insignia group. The manufacturer of record is Gentex Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8475-01-728-2429 |
| Primary Part Number | HGU-56/P S CEPS INSTALLED |
| Item Name | Helmet,flyer's |
| FSC / FSG | 8475 / 84 — Specialized Flight Clothing and Accessories |
| Manufacturer | Gentex Corp |
| Status | ACTIVE |
| Garment Size | SMALL |
| Headwear Type | HELMET |
| Communication Equipment | MICROPHONE M87/AIC OR EARPHONE H87B |
| Headwear Fastening Method | ADJUSTABLE CHIN STRAP AND BUCKLE |
| Color | OLIVE DRAB MAIN BODY |
| Color | BLACK LINING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HGU-56/P S CEPS INSTALLED PRIMARY | Gentex Corp (USA) |
| Reference | Meaning |
|---|---|
| HGU-56/P S | C/1 Advisory reference — outside the item-of-supply concept Gentex Corp |
| HGU-56/P | C/1 Advisory reference — outside the item-of-supply concept Gentex Corp |
NSN 8475-01-728-2429 is a Helmet,flyer's, manufactured by Gentex Corp, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
NSN 8475-01-728-2429 has 1 manufacturer part number on file: HGU-56/P S CEPS INSTALLED (Gentex Corp).
1 possible match (shared part number, not a government interchangeability claim): 8475-01-728-2461. Verify interchangeability with system specifications before substitution.
Key specifications for HGU-56/P S CEPS INSTALLED: Garment Size: SMALL; Headwear Type: HELMET; Communication Equipment: MICROPHONE M87/AIC OR EARPHONE H87B; Headwear Fastening Method: ADJUSTABLE CHIN STRAP AND BUCKLE. 6 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.
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.