The Parts Kit,kingpin, cataloged under National Stock Number 2530-01-164-2503, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Trw Inc Trw Intl Trade Government Sales Dept. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-164-2503 |
| Primary Part Number | K524B |
| Item Name | Parts Kit,kingpin |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Trw Inc Trw Intl Trade Government Sales Dept |
| Status | ACTIVE |
| Component Quantity | 14 |
| End Item Source | 89346 |
| Supply Items and Quantities | 89346 441144C91 SEAL 2; 89346 68801R91 BEARING 2; 89346 228875R1 KEY 2; 89346 150768R1 KEY 2; 89346 293156R1 SHIM 1; 89346 239157R1 SHIM 1; 89346 239258R1 SHIM 1; 89346 441174C91 SEAL 2; KINGPIN SIZE 1.484 IN. BY 8.891 IN. W/2 LOCK FLATS IN |
| End Item Name | TRUCK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| K524B | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| 472093C91 | 5/2 Secondary reference U.S. Government activity |
| 8517B | 5/2 Secondary reference U.S. Government activity |
| 408547C93 | 3/2 Design control — primary reference U.S. Government activity |
| 4085479C | 5/9 Secondary reference U.S. Government activity |
| 493092C91 | 5/2 Secondary reference U.S. Government activity |
NSN 2530-01-164-2503 is a Parts Kit,kingpin, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-164-2503 has 1 manufacturer part number on file: K524B (Trw Inc Trw Intl Trade Government Sales Dept).
Key specifications for K524B: Component Quantity: 14; End Item Source: 89346; Supply Items and Quantities: 89346 441144C91 SEAL 2; 89346 68801R91 BEARING 2; 89346 228875R1 KEY 2; 89346 150768R1 KEY 2; 89346 293156R1 SHIM 1; 89346 239157R1 SHIM 1; 89346 239258R1 SHIM 1; 89346 441174C91 SEAL 2; KINGPIN SIZE 1.484 IN. BY 8.891 IN. W/2 LOCK FLATS IN; End Item Name: TRUCK. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.