The Lens,visor,flying Helmet,anti-G,, cataloged under National Stock Number 8475-01-141-5917, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8475-01-141-5917 |
| Primary Part Number | 81D5189-4 |
| Item Name | Lens,visor,flying Helmet,anti-G, |
| FSC / FSG | 8475 / 84 — Specialized Flight Clothing and Accessories |
| Manufacturer | Gentex Corp |
| Status | ACTIVE |
| General Characteristics Item Description | NEUTRAL GRAY LENS WHICH ARE INTENDED FOR DAYLIGHT MISSIONS; LENSES ARE SUITABLE FOR USE WITH THE MBU-5/P OXYGEN MASK |
| Procurement Group Code | 91296 |
| 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 |
|---|---|
| 81106-30 | Gentex Corp (USA) |
| 561-1155-1 | Allied Logistics Inc Dba Pacific Technical Industries (USA) |
| 561-1156-1 | Aviquipo Holland B.v. (NLD) |
| 81D5189-4 PRIMARY | Gentex Corp (USA) |
| Reference | Meaning |
|---|---|
| 81D5189-2 | 5/9 Secondary reference Gentex Corp |
| 8475PL1341998 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 8475PL1612145 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 8475-01-141-5917 is a Lens,visor,flying Helmet,anti-G,, manufactured by Gentex Corp, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
NSN 8475-01-141-5917 has 4 manufacturer part numbers on file: 81106-30 (Gentex Corp), 561-1155-1 (Allied Logistics Inc Dba Pacific Technical Industries), 561-1156-1 (Aviquipo Holland B.v.), 81D5189-4 (Gentex Corp).
Key specifications for 81D5189-4: General Characteristics Item Description: NEUTRAL GRAY LENS WHICH ARE INTENDED FOR DAYLIGHT MISSIONS; LENSES ARE SUITABLE FOR USE WITH THE MBU-5/P OXYGEN MASK; Procurement Group Code: 91296; End Item Identification: HGU-55/P HELMET. 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.