The Support Tube,orifice,landing Gea, cataloged under National Stock Number 1620-00-308-4145, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-00-308-4145 |
| Primary Part Number | 68A450726-2001 |
| Item Name | Support Tube,orifice,landing Gea |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AMS 6419,CHROME PLATE PS13102 CL A,21.375 IN. O/ALG,2.906 IN. O/A W,2.906 IN. O/A H,AS NOTED MACHINED SURFACES4.0 6.0 8.0 16.0 32.0 63.0 AND 125.0 MICROINCH FINISH,HEATTREAT 280000 TO 300000 PSI PSI5296,SHOT PEEN,ONE END 1.500-12 UNJ-3A THD 0.435 IN. LG,ONE END EXTERNAL INVOLUDE SPLINED0.560 IN. FROM END 0.375 IN. LG NO. TEETH 27 PITCH 16/32PRESSURE ANGLE 45 DEG,SECOND END 2.125-16 UNJ-3B THD0.880 IN. LG A |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 68A450726-2001 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 1620-00-308-4145 is a Support Tube,orifice,landing Gea, manufactured by The Boeing Company Div Defense, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-308-4145 has 1 manufacturer part number on file: 68A450726-2001 (The Boeing Company Div Defense).
Key specifications for 68A450726-2001: General Characteristics Item Description: STEEL AMS 6419,CHROME PLATE PS13102 CL A,21.375 IN. O/ALG,2.906 IN. O/A W,2.906 IN. O/A H,AS NOTED MACHINED SURFACES4.0 6.0 8.0 16.0 32.0 63.0 AND 125.0 MICROINCH FINISH,HEATTREAT 280000 TO 300000 PSI PSI5296,SHOT PEEN,ONE END 1.500-12 UNJ-3A THD 0.435 IN. LG,ONE END EXTERNAL INVOLUDE SPLINED0.560 IN. FROM END 0.375 IN. LG NO. TEETH 27 PITCH 16/32PRESSURE ANGLE 45 DEG,SECOND END 2.125-16 UNJ-3B THD0.880 IN. LG A; Criticality Code Justification: FEAT; Special Features: FORM,FIT,FUNCTION. 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 1620-00-308-4145 has DEMIL Code Q. 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.