The Lamp,incandescent, cataloged under National Stock Number 6240-00-051-4843, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Prime Technology Inc International Instruments Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6240-00-051-4843 |
| Primary Part Number | 21957-2 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — No Item Name Available |
| Manufacturer | Prime Technology Inc International Instruments Div |
| Status | CANCELLED |
| Bulb Style | T (TUBULAR) |
| Rated Average Life | HOURS |
| Light Output Rating | 0.320 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING |
| Wattage Rating | 1.120 WATTS |
| Light Center Length | 0.300 INCHES NOMINAL IN |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Base Style | KNURLED SCREW (KOLLSMAN) |
| Current Rating for Which Designed | 0.040 AMPERES NOMINAL |
| Emitted Light Characteristic | WHITE |
| Bulb Designator | T-1 1/4 |
| Filament Designation | C-2F |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Average Life Rating in Hours | 1000.0 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21957-2 | Prime Technology Inc International Instruments Div (USA) |
| 8623 | Satair A/s (DNK) |
| 114B7032-1 | Northrop Grumman Systems Corporation (USA) |
| 8623 | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| C2830 | Electric Boat Corp Dba Electro Dynamic (USA) |
| 901-1178-1 | Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA) |
| 110313-000 | Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA) |
| 65-25501A | Motorola Communications Group Parts Dept Div of Motorola Inc (USA) |
| MS25236-623 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS25236-8623 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 129-003-0001 | Northrop Grumman Systems Corporation (USA) |
| 8623 | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| 30556-1 | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
| 457-6078 | Nimikkeistokeskus Ncb Finland (FIN) |
| 21957-2 | Prime Technology Llc (USA) |
| 30556-1 | The Dewey Electronics Corporation (USA) |
| 6220000514843 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| LTX8623 | Lamptronix Co Ltd (USA) |
| 21957-2 | IV-Electronic Klaus Vespermann Kg (DEU) |
NSN 6240-00-051-4843 is a Lamp,incandescent, manufactured by Prime Technology Inc International Instruments Div, classified under FSC 6240 (No Item Name Available). Status: cancelled.
NSN 6240-00-051-4843 has 19 cross-referenced part numbers: 21957-2 (Prime Technology Inc International Instruments Div), 8623 (Satair A/s), 114B7032-1 (Northrop Grumman Systems Corporation), 8623 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), C2830 (Electric Boat Corp Dba Electro Dynamic) and 14 more.
There are 11 known substitutes for 6240-00-051-4843: 3010-00-184-7726, 6145-00-418-2700, 5365-00-450-0201 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21957-2: Bulb Style: T (TUBULAR); Rated Average Life: HOURS; Light Output Rating: 0.320 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING; Wattage Rating: 1.120 WATTS. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 6240-00-051-4843 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.