The Head,piston,landing, cataloged under National Stock Number 1620-00-348-4233, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Goodrich Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1620-00-348-4233 |
| Primary Part Number | 9173-3 |
| Item Name | Head,piston,landing |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | INTERNAL FLANGE,INTERNAL THREAD 5.000-12N3B SERIES,5.742 TO 5.745 IN. OD,2.000 IN. LG,40 UIN.FINISHED OD SURFACE W/TWO 0.060 IN. DEEP OIL GROOVES SPACED 0.810 IN.,FLANGED END OUTER EDGE CHAMFERRED 0.250 IN. BY 45 DEG,0.250 IN. WRENCHING SLOTS SPACED 180 DEG IN FLANGED END 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 |
|---|---|
| 9173-3 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9173-3 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 1620-00-348-4233 is a Head,piston,landing, manufactured by Goodrich Corporation, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-348-4233 has 1 manufacturer part number on file: 9173-3 (Goodrich Corporation).
Key specifications for 9173-3: General Characteristics Item Description: INTERNAL FLANGE,INTERNAL THREAD 5.000-12N3B SERIES,5.742 TO 5.745 IN. OD,2.000 IN. LG,40 UIN.FINISHED OD SURFACE W/TWO 0.060 IN. DEEP OIL GROOVES SPACED 0.810 IN.,FLANGED END OUTER EDGE CHAMFERRED 0.250 IN. BY 45 DEG,0.250 IN. WRENCHING SLOTS SPACED 180 DEG IN FLANGED END 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 1620-00-348-4233 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.