The Retainer,lens, cataloged under National Stock Number 6220-00-334-7007, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6220-00-334-7007 |
| Primary Part Number | 31-2491-1 |
| Item Name | Retainer,lens |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A OR 3 MIL SPEC SINGLE TREATMENT RESPONSE A |
| Material Document and Classification | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY 2024 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 31-2491-1 PRIMARY | Grimes Aerospace Company (USA) |
NSN 6220-00-334-7007 is a Retainer,lens, manufactured by Grimes Aerospace Company, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-00-334-7007 has 1 manufacturer part number on file: 31-2491-1 (Grimes Aerospace Company).
Key specifications for 31-2491-1: Overall Height: 0.080 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A OR 3 MIL SPEC SINGLE TREATMENT RESPONSE A; Material Document and Classification: QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: CONTOUR TRIM AND HOLE LOCATION PER MCAIR SUPPLIED TOOL NO. 68-790083-A106; NET TRIM TO BE 5 DEG PLUS OR MINUS 0.010. 4 specifications are 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.
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.