The Kingpin,fifth Wheel, cataloged under National Stock Number 2510-01-689-4837, is classified within Federal Supply Class 2510 (Vehicular Cab, Body, and Frame Structural Components) of the Vehicular Equipment Components group. The manufacturer of record is Saf-Holland, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2510-01-689-4837 |
| Primary Part Number | KPB51042 |
| Item Name | Kingpin,fifth Wheel |
| FSC / FSG | 2510 / 25 — Vehicular Cab, Body, and Frame Structural Components |
| Manufacturer | Saf-Holland, Inc. |
| Status | ACTIVE |
| Shank Diameter | 89.0 MILLIMETERS NOMINAL MM |
| Body Outside Diameter | 260.0 MILLIMETERS NOMINAL MM |
| Style Designator | LOCKING RECESS |
| Bore Diameter | 114.0 MILLIMETERS NOMINAL MM |
| Head Outside Diameter | 111.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2510-01-689-4837 is a Kingpin,fifth Wheel, manufactured by Saf-Holland, Inc., classified under FSC 2510, Vehicular Cab, Body, and Frame Structural Components. Status: active.
NSN 2510-01-689-4837 has 2 manufacturer part numbers on file: KPB51042 (Saf-Holland, Inc.), 122349 (Haulmark Trailers (australia) Pty Ltd).
Key specifications for KPB51042: Shank Diameter: 89.0 MILLIMETERS NOMINAL MM; Body Outside Diameter: 260.0 MILLIMETERS NOMINAL MM; Style Designator: LOCKING RECESS; Part Name Assigned by Controlling Agency: 90 MILIMETER KINGPIN ONLY. 5 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.