The Lampholder, cataloged under National Stock Number 6250-00-856-7546, is classified within Federal Supply Class 6250 (Ballasts, Lampholders, and Starters) of the Lighting Fixtures and Lamps group. The manufacturer of record is Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6250-00-856-7546 |
| Primary Part Number | 4001-018 |
| Item Name | Lampholder |
| FSC / FSG | 6250 / 62 — Ballasts, Lampholders, and Starters |
| Manufacturer | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Terminal Type | SOLDER LUG |
| Coating Method | PLATED SHELL |
| Mounting Method | CLIP LOCATION NOT OTHERWISE SPECIFIED |
| Style Designator | SCREW |
| Voltage in Volts | 30.0 |
| Outside Diameter | 0.280 INCHES NOMINAL IN |
| Lamp Base Type Accommodated | MIDGET SCREW |
| Mounting Clip Style | UP |
| Mounting Device Quantity | 1 |
| Mounting Feature Type | SURFACE |
| Surface Treatment | NICKEL SHELL |
| Material | COPPER ALLOY BODY |
| Material | STEEL MOUNTING |
| Material | COPPER ALLOY SHELL |
| Current Rating in Amps | 0.9 |
| Hazardous Locations/environmental Protection | NOT RATED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4001-018 PRIMARY | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| Reference | Meaning |
|---|---|
| 2135HAE | 5/9 Secondary reference Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
NSN 6250-00-856-7546 is a Lampholder, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6250, Ballasts, Lampholders, and Starters. Status: active.
NSN 6250-00-856-7546 has 1 manufacturer part number on file: 4001-018 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron).
1 possible match (shared part number, not a government interchangeability claim): 6140-01-609-9794. Verify interchangeability with system specifications before substitution.
Key specifications for 4001-018: Overall Height: 0.373 INCHES NOMINAL IN; Terminal Quantity: 2; Terminal Type: SOLDER LUG; Coating Method: PLATED SHELL. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.