The Lamp,cartridge, cataloged under National Stock Number 6240-01-031-6377, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-01-031-6377 |
| Primary Part Number | RCL-B61-A1B-000 |
| Item Name | Lamp,cartridge |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit |
| Status | ACTIVE |
| Cartridge Overall Diameter | 0.330 INCHES NOMINAL IN |
| Filling Gas Type | NEON |
| Lens Color | RED |
| Base Style | CARTRIDGE TWO PIN POLARIZED |
| Lens Light Transmission Characteristic | TRANSLUCENT |
| Rated Average Life | HOURS |
| Light Intensity Level | STANDARD |
| Circuit Voltage Rating in Volts | 105.000 MINIMUM AND 125.000 MAXIMUM |
| Gas Striking Voltage Rating in Volts and Current Type | 65.0 AC NOMINAL FIRST VOLTAGE |
| Gas Striking Voltage Rating in Volts and Current Type | 90.0 DC NOMINAL SECOND VOLTAGE |
| Cartridge Style | SHORT CYLINDRICAL |
| Primary Lamp Type | GLOW |
| Wattage Rating | 0.040 WATTS |
| Material | PLASTIC LENS |
| Material | ALUMINUM SLEEVE |
| Cartridge Overall Length | 1.125 INCHES MAXIMUM IN |
| Average Life Rating in Hours | 15000.0 |
| 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 |
|---|---|
| RCL-B61-A1B-000 PRIMARY | Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit (USA) |
| Reference | Meaning |
|---|---|
| 61573 | 5/9 Secondary reference U.S. Government activity |
NSN 6240-01-031-6377 is a Lamp,cartridge, manufactured by Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-031-6377 has 1 manufacturer part number on file: RCL-B61-A1B-000 (Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit).
2 possible matches (shared part number, not a government interchangeability claim): 5306-01-152-4696, 4820-01-172-0403. Verify interchangeability with system specifications before substitution.
Key specifications for RCL-B61-A1B-000: Cartridge Overall Diameter: 0.330 INCHES NOMINAL IN; Filling Gas Type: NEON; Lens Color: RED; Base Style: CARTRIDGE TWO PIN POLARIZED. 17 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.