The Retainer,piston,landing Gear, cataloged under National Stock Number 1620-00-474-1412, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1620-00-474-1412 |
| Item Name | Retainer,piston,landing Gear |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Status | ACTIVE |
| General Characteristics Item Description | BRONZE ALUMINUM QQ-B-679 COMP 2,3.250 IN. O/A DIA,1.500 IN. O/A H,2.5000 IN. MIN TO 2.5011 IN. MAX DIA BORE THRU,0.250-16 NS-3A THDS 0.630 IN. LG,12 SLOTS EQUALLY SPACED 0.156 IN. MIN TO 0.166 IN. MAX W 0.925 IN. DP,MACHINED SURFACES 100.0 MICROINCH FINISH A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 175161 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1620-00-474-1412 is a Retainer,piston,landing Gear, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-296-2613, 4320-01-312-7306. Verify interchangeability with system specifications before substitution.
Key specifications for 1620-00-474-1412: General Characteristics Item Description: BRONZE ALUMINUM QQ-B-679 COMP 2,3.250 IN. O/A DIA,1.500 IN. O/A H,2.5000 IN. MIN TO 2.5011 IN. MAX DIA BORE THRU,0.250-16 NS-3A THDS 0.630 IN. LG,12 SLOTS EQUALLY SPACED 0.156 IN. MIN TO 0.166 IN. MAX W 0.925 IN. DP,MACHINED SURFACES 100.0 MICROINCH FINISH A. 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 1620-00-474-1412 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.