The Housing Lamp Assy, cataloged under National Stock Number 6240-01-140-2970, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-140-2970 |
| Primary Part Number | SM-B-450166 |
| Item Name | Housing Lamp Assy |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM; STEEL; BRASS; 0.625 IN.DIA; 0.875 IN. H MAX; 15/32-UN THREAD; 5/16-32-UNEF-2A LAMP BASE THREAD A |
| 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 |
|---|---|
| SM-B-450166 PRIMARY | Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa (USA) |
| Reference | Meaning |
|---|---|
| SM-B-450166 | 5/9 Secondary reference U.S. Government activity |
| 5150-038-173C | 5/9 Secondary reference Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
NSN 6240-01-140-2970 is a Housing Lamp Assy, manufactured by Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-140-2970 has 1 manufacturer part number on file: SM-B-450166 (Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa).
Key specifications for SM-B-450166: General Characteristics Item Description: ALUMINUM; STEEL; BRASS; 0.625 IN.DIA; 0.875 IN. H MAX; 15/32-UN THREAD; 5/16-32-UNEF-2A LAMP BASE THREAD A. 1 specification is 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.