The Piston,landing Gear Strut, cataloged under National Stock Number 1620-01-012-1969, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 1620-01-012-1969 |
| Primary Part Number | 18805-1 |
| Item Name | Piston,landing Gear Strut |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
NSN 1620-01-012-1969 is a Piston,landing Gear Strut, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-012-1969 has 2 manufacturer part numbers on file: 18805-1 (Goodrich Aerospace Canada Ltd), 18805-1 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 2520-01-252-8893, 5315-01-396-1778. Verify interchangeability with system specifications before substitution.
Key specifications for 18805-1: Special Features: U/A: NOSE LANDING GEAR SHOCK STRUT PISTON TUBE; MATL: STEEL, MIL-S-8844, CL 3; CHROME PLATE QQ-C-320 CL 2; 36.540IN MIN TO 36.560IN MAX O/A LG, 3.238IN MIN TO 3.240IN MAX OD, 2.868IN MIN TO 2.870IN MAX BORE THRU; HT TR 270,000 TO 300,00PSI; SHOT PEEN, MACHINED SURFACES 16.0, 32.0, & 50. MICROINCH FINISH IN. 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 1620-01-012-1969 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.