The Light,indicator, cataloged under National Stock Number 6210-00-950-9538, is classified within Federal Supply Class 6210 (Indoor and Outdoor Electric Lighting Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Spectrum Control, Inc. Div Api Technologies - Eis/wesson. Government technical data includes 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6210-00-950-9538 |
| Primary Part Number | RMA-64B0-RM120AT |
| Item Name | Light,indicator |
| FSC / FSG | 6210 / 62 — Indoor and Outdoor Electric Lighting Fixtures |
| Manufacturer | Spectrum Control, Inc. Div Api Technologies - Eis/wesson |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HEXAGON NUT AND 1 LOCK WASHER |
| Lens Type | STOVEPIPE, EXTERNAL THREAD SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lamp Bulb Size Designator | T-1 3/4 |
| Lens Color | YELLOW SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Overall Diameter | 0.574 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN |
| Lens Light Transmission Characteristic | TRANSLUCENT SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lens Face Surface Condition | SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lens Quantity | 1 |
| Mounting Method | PANEL LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Method | SCREW IN LENS |
| Style Designator | ROUND FRAME, ROUND LENS TYPE |
| Lamp Base Type Accommodated | MIDGET FLANGED |
| Transmitted Light Color | YELLOW SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| Surface Treatment | NICKEL BODY |
| Lamp Type Accommodated and Quantity | 1 INCANDESCENT |
| Lens Back Surface Condition | SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Panel Thickness for Which Designed | 0.188 INCHES MAXIMUM IN |
| Material | COPPER ALLOY BODY |
| Panel Accommodation Hole Diameter | 0.469 INCHES NOMINAL IN |
| Terminal Type and Quantity | 2 SOLDER LUG |
| 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 |
|---|---|
| RMA-64B0-RM120AT | Spectrum Control, Inc. Div Api Technologies - Eis/wesson (USA) |
| 5131-038-304YELLOW | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| Reference | Meaning |
|---|---|
| 162-8430-973 | 3/2 Design control — primary reference U.S. Government activity |
| 162-8430-0973-502 | 3/2 Design control — primary reference U.S. Government activity |
| 413958-6 | 5/2 Secondary reference U.S. Government activity |
| RMA-64B0-RM120AT | 5/9 Secondary reference Genisco Filter Corp |
NSN 6210-00-950-9538 is a Light,indicator, manufactured by Spectrum Control, Inc. Div Api Technologies - Eis/wesson, classified under FSC 6210, Indoor and Outdoor Electric Lighting Fixtures. Status: active.
NSN 6210-00-950-9538 has 2 manufacturer part numbers on file: RMA-64B0-RM120AT (Spectrum Control, Inc. Div Api Technologies - Eis/wesson), 5131-038-304YELLOW (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-643-4850. Verify interchangeability with system specifications before substitution.
Key specifications for RMA-64B0-RM120AT: Furnished Items and Quantity: 1 HEXAGON NUT AND 1 LOCK WASHER; Lens Type: STOVEPIPE, EXTERNAL THREAD SINGLE LIGHT FIRST POSITION HORIZONTAL; Lamp Bulb Size Designator: T-1 3/4; Lens Color: YELLOW SINGLE LIGHT FIRST POSITION HORIZONTAL. 20 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.