The Arm Assembly, cataloged under National Stock Number 1620-00-349-5233, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1620-00-349-5233 |
| Primary Part Number | 523552 |
| Item Name | Arm Assembly |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 523552 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 523552 | 5/9 Secondary reference Tracor Flight Systems Inc Sub of Tracor Inc |
| 523552 | 3/9 Design control — primary reference Bae Systems Technology Solutions & Services Inc. |
| 523552 | 5/9 Secondary reference General Dynamics Corp Convair Div Lindbergh Field Facility |
| 523552 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 523552 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
NSN 1620-00-349-5233 is a Arm Assembly, manufactured by Goodrich Corporation, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-349-5233 has 1 manufacturer part number on file: 523552 (Goodrich Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-184-8069. Verify interchangeability with system specifications before substitution.
Key specifications for 523552: End Item Identification: FAIRCHILD C123. 0 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 1620-00-349-5233 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.