The Roller,idler, cataloged under National Stock Number 1270-01-155-2691, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1270-01-155-2691 |
| Primary Part Number | 11780580 |
| Item Name | Roller,idler |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| General Characteristics Item Description | POLYAMIDE(NYLON)6/10;2.750 IN. LG;0.312 IN. W; 0.128 IN. INSIDE DIA. THRU HOLE; 0.094 IN. DIA. CENTER HOLE; 1.380 IN. DISTANCE FROM CENTER HOLE TO END ALONG LG IN |
| 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 |
|---|---|
| 11780580 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 42340-3A | 5/9 Secondary reference Rockwell Collins, Inc. Dba Rc Displays Systems |
NSN 1270-01-155-2691 is a Roller,idler, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
NSN 1270-01-155-2691 has 1 manufacturer part number on file: 11780580 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 11780580: General Characteristics Item Description: POLYAMIDE(NYLON)6/10;2.750 IN. LG;0.312 IN. W; 0.128 IN. INSIDE DIA. THRU HOLE; 0.094 IN. DIA. CENTER HOLE; 1.380 IN. DISTANCE FROM CENTER HOLE TO END ALONG LG IN. 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.