The Modification Kit,helmet, cataloged under National Stock Number 8475-01-442-4784, 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 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8475-01-442-4784 |
| Primary Part Number | 90B7948-4 |
| Item Name | Modification Kit,helmet |
| FSC / FSG | 8475 / 84 — Specialized Flight Clothing and Accessories |
| Manufacturer | Gentex Corp |
| Status | ACTIVE |
| Procurement Group Code | 02516 |
| Color | BLACK |
| 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 |
|---|---|
| 90B7948-4 PRIMARY | Gentex Corp (USA) |
| 90B7948-4 | Csw Associates Ltd Chappell Salikin Weil Associates Pty (AUS) |
| GW 9135-04 PRIMARY | Gentex Corp (USA) |
| Reference | Meaning |
|---|---|
| 8475PL0766806 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 10203169 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 8475-01-442-4784 is a Modification Kit,helmet, manufactured by Gentex Corp, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
NSN 8475-01-442-4784 has 3 manufacturer part numbers on file: 90B7948-4 (Gentex Corp), 90B7948-4 (Csw Associates Ltd Chappell Salikin Weil Associates Pty), GW 9135-04 (Gentex Corp).
Key specifications for 90B7948-4: Procurement Group Code: 02516; Color: BLACK; Special Features: INTEGRATED CHIN/NAPE STRAP CONVERSION KIT; MEDIUM; USED TO MODIFY THE HGU-55/P, HGU-66/P & HGU-68/P HELMETS; PERMITS SIMULTANEOUS ADJUSTMENT OF THECHIN STRAP & NAPE STRAP; C/O 1 EA 88D6899-1 NAPE STRAP PAD, 1 EA 89B7729-1 RH NAPE STRAP, 1 EA89B7730-1 LH NAPE STRAP, 2 EA 93B8471 NAPE STRAP CLAMP ASSEMBLIES, 1 EA 84C6708 CHIN STRAP, 1 EA88C7764-1 CHIN PAD, 1 EA 77A3608-61B 10-32 X 3/8 PAN HEAD SCREW, 1 EA 77A3630-34 EXTERNAL TOOTH 5/16 LOCKWASHER, 1EA 79A3336 T-NUT, 1 EA 85B7056-2 OBLONG WASHER, 1 EA 85B7056-1 OBLONG EYELET, 1 EA G000-1051-01 URETHANE STRAP GROMMET AND ALL NECESSARY TEMPLETS. 2 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.