The Lamp,glow, cataloged under National Stock Number 6240-01-134-6987, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron. Government technical data includes 11 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-134-6987 |
| Primary Part Number | A1H-R |
| Item Name | Lamp,glow |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
| Status | ACTIVE |
| Filling Gas Type | NEON |
| Base Style | MIDGET FLANGED |
| Rated Average Life | HOURS |
| Light Intensity Level | HIGH |
| Bulb Designator | T-1 3/4 |
| Circuit Voltage Rating in Volts | 105.000 MINIMUM AND 125.000 MAXIMUM |
| Wattage Rating | 0.142 WATTS |
| Emitted Light Characteristic | RED-YELLOW |
| Bulb Style | T (TUBULAR) |
| Resistor Rating and Location | 30.000 KILOHMS INTERNAL |
| Average Life Rating in Hours | 25000.0 |
| 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 |
|---|---|
| ML-A1H-R47 | Micro Lamps Inc. (USA) |
| A1H-R PRIMARY | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| Reference | Meaning |
|---|---|
| A1H-R | 5/9 Secondary reference Xenell Corp |
| A1H-R | 5/9 Secondary reference Nueva Engineering Inc |
| A1H-R CLEAR | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| AIH-R | C/1 Advisory reference — outside the item-of-supply concept Jkl Components, Corporation |
| A1H-R CLEAR | C/1 Advisory reference — outside the item-of-supply concept Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems |
| G528890-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 6240-01-134-6987 is a Lamp,glow, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-134-6987 has 2 manufacturer part numbers on file: ML-A1H-R47 (Micro Lamps Inc.), A1H-R (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron).
Key specifications for A1H-R: Filling Gas Type: NEON; Base Style: MIDGET FLANGED; Rated Average Life: HOURS; Light Intensity Level: HIGH. 11 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.