The Channel,upper Frame, cataloged under National Stock Number 1730-00-256-7890, is classified within Federal Supply Class 1730 (Aircraft Ground Servicing Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1730-00-256-7890 |
| Primary Part Number | 5457-20-2 |
| Item Name | Channel,upper Frame |
| FSC / FSG | 1730 / 17 — Aircraft Ground Servicing Equipment |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY; 69.000 IN. LG; 5.880 IN. W; 2.340 IN. THK; 0.156 IN. MATERIAL THK; FOUR 0.266 IN. DA HOLES AT EACH END OF WIDE SECTION; FIRST 2 HOLES LOCATED 0.620 IN. FROM HOLE CENTERS TO EACH END; SECOND 2 HOLES STAGGERED AND LOCATED 1.000 IN. FROM CENTER LINE OF FIRST 2 HOLES; TWO 0.266 IN. HOLES LOCATED AT EACH END OF BOTH SIDE RAILS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5457-20-2 PRIMARY | Columbus Jack Corporation Div Columbus Jack (USA) |
| Reference | Meaning |
|---|---|
| 5457-20 | D/9 Drawing number reference only Age Logistics Corporation |
| 5457-20-2 | 5/9 Secondary reference Age Logistics Corporation |
NSN 1730-00-256-7890 is a Channel,upper Frame, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 1730, Aircraft Ground Servicing Equipment. Status: active.
NSN 1730-00-256-7890 has 1 manufacturer part number on file: 5457-20-2 (Columbus Jack Corporation Div Columbus Jack).
Key specifications for 5457-20-2: General Characteristics Item Description: ALUMINUM ALLOY; 69.000 IN. LG; 5.880 IN. W; 2.340 IN. THK; 0.156 IN. MATERIAL THK; FOUR 0.266 IN. DA HOLES AT EACH END OF WIDE SECTION; FIRST 2 HOLES LOCATED 0.620 IN. FROM HOLE CENTERS TO EACH END; SECOND 2 HOLES STAGGERED AND LOCATED 1.000 IN. FROM CENTER LINE OF FIRST 2 HOLES; TWO 0.266 IN. HOLES LOCATED AT EACH END OF BOTH SIDE RAILS 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.
NSN 1730-00-256-7890 has DEMIL Code B. 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.