The Valve,restrictor,st, cataloged under National Stock Number 1620-00-520-5535, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1620-00-520-5535 |
| Primary Part Number | 169232 |
| Item Name | Valve,restrictor,st |
| 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 |
|---|---|
| 169232 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 169232 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 169232 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 169232 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 8746810-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1620-00-520-5535 is a Valve,restrictor,st, manufactured by Goodrich Corporation, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-00-520-5535 has 1 manufacturer part number on file: 169232 (Goodrich Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-022-3877, 5331-01-508-6006. Verify interchangeability with system specifications before substitution.
Key specifications for 169232: End Item Identification: T-37 AIRCRAFT. 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 1620-00-520-5535 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.