The Light,indicator, cataloged under National Stock Number 6210-01-157-0631, 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 Star Manufacturing International Inc. Dba Lang Manufacturing Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6210-01-157-0631 |
| Primary Part Number | 2J-31601-01 |
| Item Name | Light,indicator |
| FSC / FSG | 6210 / 62 — Indoor and Outdoor Electric Lighting Fixtures |
| Manufacturer | Star Manufacturing International Inc. Dba Lang Manufacturing Company |
| Status | ACTIVE |
| Lens Color | RED SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lens Light Transmission Characteristic | TRANSPARENT SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lens Face Surface Condition | SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Lens Quantity | 1 |
| Transmitted Light Color | RED SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A |
| Lens Back Surface Condition | SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL |
| Material | PLASTIC BODY |
| Terminal Type and Quantity | 1 WIRE LEAD |
| 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 |
|---|---|
| 2J-31601-01 PRIMARY | Star Manufacturing International Inc. Dba Lang Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| 2-0121-3 | 5/9 Secondary reference Star Manufacturing International Inc. Dba Lang Manufacturing Company |
| 31601-01 | 3/9 Design control — primary reference Star Manufacturing International Inc. Dba Lang Manufacturing Company |
| 31601-01 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 6210-01-157-0631 is a Light,indicator, manufactured by Star Manufacturing International Inc. Dba Lang Manufacturing Company, classified under FSC 6210, Indoor and Outdoor Electric Lighting Fixtures. Status: active.
NSN 6210-01-157-0631 has 1 manufacturer part number on file: 2J-31601-01 (Star Manufacturing International Inc. Dba Lang Manufacturing Company).
2 possible matches (shared part number, not a government interchangeability claim): 6640-01-351-0065, 6640-01-521-5463. Verify interchangeability with system specifications before substitution.
Key specifications for 2J-31601-01: Lens Color: RED SINGLE LIGHT FIRST POSITION HORIZONTAL; Lens Light Transmission Characteristic: TRANSPARENT SINGLE LIGHT FIRST POSITION HORIZONTAL; Lens Face Surface Condition: SMOOTH SINGLE LIGHT FIRST POSITION HORIZONTAL; Lens Quantity: 1. 8 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.