The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-7932, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Satair A/s. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-155-7932 |
| Primary Part Number | 311R |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Satair A/s |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Filament Designation | C-2V V |
| Base Style | SINGLE CONTACT BAYONET CANDELABRA |
| Rated Average Life | HOURS |
| Bulb Designator | S-11 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 36.000 WATTS |
| Emitted Light Characteristic | RED |
| Light Output Rating | 50.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING |
| Light Center Length | 1.250 INCHES NOMINAL IN |
| Bulb Style | S (STRAIGHT SIDE) |
| Current Rating for Which Designed | 1.290 AMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 300.0 |
| 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 |
|---|---|
| 311R | Satair A/s (DNK) |
| AML-311 R | Advanced Micro Lites Inc (USA) |
| Reference | Meaning |
|---|---|
| AN3133R31 | 5/9 Secondary reference U.S. Government activity |
| 6240PL1526810 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 311R | 5/9 Secondary reference U.S. Government activity |
| MS25235-R311 | 2/2 Government specification standardization U.S. Government activity |
| 311R | 5/1 Secondary reference Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company |
| 311R | 5/1 Secondary reference Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| MS25235-311R | 5/9 Secondary reference U.S. Government activity |
| 1068R311 | 5/1 Secondary reference U.S. Government activity |
| ML311R | 5/9 Secondary reference Micro Lamps Inc. |
| 311R | 5/9 Secondary reference General Electric Co Miniature Lamp Products Dept Lighting Business Group |
| WL-311R | 5/1 Secondary reference Wamco, Inc. Dba Wamco Inc |
| 87-0143 | 5/1 Secondary reference Finnigan Corporation |
| MS35235R311 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 311R | 5/1 Secondary reference Micro Lamps Inc. |
NSN 6240-00-155-7932 is a Lamp,incandescent, manufactured by Satair A/s, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-155-7932 has 2 manufacturer part numbers on file: 311R (Satair A/s), AML-311 R (Advanced Micro Lites Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3110-00-156-5239, 5210-00-233-6221, 6685-00-739-8445. Verify interchangeability with system specifications before substitution.
Key specifications for 311R: Bulb Light Transmission Characteristic: TRANSLUCENT; Filament Designation: C-2V V; Base Style: SINGLE CONTACT BAYONET CANDELABRA; Rated Average Life: HOURS. 14 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.