The Plate Assembly,orifice, cataloged under National Stock Number 1620-01-153-9816, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Heroux-Devtek Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-01-153-9816 |
| Primary Part Number | 458-56187-1 |
| Item Name | Plate Assembly,orifice |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Heroux-Devtek Inc |
| Status | ACTIVE |
| FSC Application Data | MAIN LANDING GEAR |
| General Characteristics Item Description | 9.365 IN. DIA BY 2.650 IN. LG O/A;5.375-12 UNJ-3B THD BY 1.210 IN. DEEP ONE END IN |
| Reference Data and Literature | T.O. 4A4-29-4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 458-56187-1 | Heroux-Devtek Inc (CAN) |
| 458-56187-1 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 458-56187-1 | 3/2 Design control — primary reference U.S. Government activity |
| 458-56187-1 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 458-56187-1 | 5/2 Secondary reference U.S. Government activity |
NSN 1620-01-153-9816 is a Plate Assembly,orifice, manufactured by Heroux-Devtek Inc, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-153-9816 has 2 manufacturer part numbers on file: 458-56187-1 (Heroux-Devtek Inc), 458-56187-1 (Goodrich Corporation).
Key specifications for 458-56187-1: FSC Application Data: MAIN LANDING GEAR; General Characteristics Item Description: 9.365 IN. DIA BY 2.650 IN. LG O/A;5.375-12 UNJ-3B THD BY 1.210 IN. DEEP ONE END IN; Reference Data and Literature: T.O. 4A4-29-4; End Item Identification: KC-135 AIRCRAFT. 3 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 1620-01-153-9816 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.