The Stop,optical, cataloged under National Stock Number 1270-01-052-1948, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1270-01-052-1948 |
| Item Name | Stop,optical |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM MADE OF CORROSION RESISTANT STEEL 17-4 AMS 5643 COND A,ITEM MEASURES 0.51 IN. DIAMETER,0.13 IN. DEEP,HEAT TREAT PER MIL-H-6875 TO CONDITION H1025 ROCKWELL C 35-42,PASSIVATE PER FINISH 5.4.1 OF MIL-STD-171 AND BLACK OXIDE PER CLASS 4 OF MIL-C-13924 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 164B8223P1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1270-01-052-1948 is a Stop,optical, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
Key specifications for 1270-01-052-1948: General Characteristics Item Description: ITEM MADE OF CORROSION RESISTANT STEEL 17-4 AMS 5643 COND A,ITEM MEASURES 0.51 IN. DIAMETER,0.13 IN. DEEP,HEAT TREAT PER MIL-H-6875 TO CONDITION H1025 ROCKWELL C 35-42,PASSIVATE PER FINISH 5.4.1 OF MIL-STD-171 AND BLACK OXIDE PER CLASS 4 OF MIL-C-13924 IN; End Item Identification: OPTICAL SIGHT SYSTEM,LEAD COMPUTING,AN/ASG-30. 1 specification is 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.