The Track Ball Assembly, cataloged under National Stock Number 1280-01-089-1758, is classified within Federal Supply Class 1280 (Aircraft Bombing Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is Orbit International Corp. Div Orbit Instrument. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1280-01-089-1758 |
| Primary Part Number | 5585-1 |
| Item Name | Track Ball Assembly |
| FSC / FSG | 1280 / 12 — Aircraft Bombing Fire Control Components |
| Manufacturer | Orbit International Corp. Div Orbit Instrument |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM IS 3.50 IN H; 3.50 IN W; 2.70 IN D; INPUT VOLTAGE SVDC; INPUT CURRENT 350 MA MAXIMUM; BALL IS 2 IN DIA; BALL MATL IS MOLDED PHENOLIC; BALL FINISH IS BLACK MATTE; HOUSING MATL IS ALUMINUM; HOUSING FINISH IS CHEMICAL FILM PER MIL-C-5541,CLASS 3 IN |
| Storage Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 1280-01-089-1758 is a Track Ball Assembly, manufactured by Orbit International Corp. Div Orbit Instrument, classified under FSC 1280, Aircraft Bombing Fire Control Components. Status: active.
NSN 1280-01-089-1758 has 2 manufacturer part numbers on file: 5585-1 (Orbit International Corp. Div Orbit Instrument), 622-G452 (Abrasive Materials Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-360-5354. Verify interchangeability with system specifications before substitution.
Key specifications for 5585-1: General Characteristics Item Description: ITEM IS 3.50 IN H; 3.50 IN W; 2.70 IN D; INPUT VOLTAGE SVDC; INPUT CURRENT 350 MA MAXIMUM; BALL IS 2 IN DIA; BALL MATL IS MOLDED PHENOLIC; BALL FINISH IS BLACK MATTE; HOUSING MATL IS ALUMINUM; HOUSING FINISH IS CHEMICAL FILM PER MIL-C-5541,CLASS 3 IN; Storage Temp Range: -55.0 TO 85.0 CELSIUS DEGC; End Item Identification: B52/H OAS/CMI PACER GYM. 2 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.
NSN 1280-01-089-1758 has DEMIL Code C. Demilitarization may be required before disposal or transfer to non-military entities.
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.