The Parts Kit,seal Replacement,mecha, cataloged under National Stock Number 1620-01-540-3323, is classified within Federal Supply Class 1620 (Aircraft Landing Gear Components) of the Aircraft Components and Accessories group. The manufacturer of record is Greene Tweed & Co Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1620-01-540-3323 |
| Primary Part Number | AK1223 |
| Item Name | Parts Kit,seal Replacement,mecha |
| FSC / FSG | 1620 / 16 — Aircraft Landing Gear Components |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AK1223 PRIMARY | Greene Tweed & Co Inc (USA) |
| XXUA000008 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| AK1223 | Jamaica Bearings Co. Inc. Dba Jamaica Bearings Co Inc Div Jamaica Aerospace Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 201822042-10 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 1620-01-540-3323 is a Parts Kit,seal Replacement,mecha, manufactured by Greene Tweed & Co Inc, classified under FSC 1620, Aircraft Landing Gear Components. Status: active.
NSN 1620-01-540-3323 has 3 manufacturer part numbers on file: AK1223 (Greene Tweed & Co Inc), XXUA000008 (Trelleborg Sealing Solutions Us, Inc.), AK1223 (Jamaica Bearings Co. Inc. Dba Jamaica Bearings Co Inc Div Jamaica Aerospace Company Llc).
1 possible match (shared part number, not a government interchangeability claim): 1620-01-668-2691. Verify interchangeability with system specifications before substitution.
Key specifications for AK1223: Special Features: KIT CONTAINS 12 ITEMS; Part Name Assigned by Controlling Agency: F-16 LWNLG SEAL ASSY; End Item Identification: F-16 NLG SHOCK STRUT ASSY; T.O. 4S2-80-4. 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.
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.