The Ring, cataloged under National Stock Number 1240-01-175-8985, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-175-8985 |
| Primary Part Number | 13144100 |
| Item Name | Ring |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| General Characteristics Item Description | CORROSION RESISTING STEEL,QQ-S-766 CLASS 304,COND A,FINISH 2B; PASSIVATE PER QQ-P-35,TYPE 2; 5.240 OUTSIDE DIAMETER; 4.640 INSIDE DIAMETER |
| 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 |
|---|---|
| 13144100 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 13144100 | 5/1 Secondary reference U.S. Government activity |
| 13144100 | 5/1 Secondary reference Texas Instruments Inc |
NSN 1240-01-175-8985 is a Ring, manufactured by Us Army Aviation and Missile Command, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-175-8985 has 1 manufacturer part number on file: 13144100 (Us Army Aviation and Missile Command).
Key specifications for 13144100: General Characteristics Item Description: CORROSION RESISTING STEEL,QQ-S-766 CLASS 304,COND A,FINISH 2B; PASSIVATE PER QQ-P-35,TYPE 2; 5.240 OUTSIDE DIAMETER; 4.640 INSIDE DIAMETER. 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.