The Parts Kit,disk Brake, cataloged under National Stock Number 2530-01-645-8443, 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 Hendrickson Trailer Suspension Systems. Government technical data includes 2 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 | 2530-01-645-8443 |
| Primary Part Number | S-31625 |
| Item Name | Parts Kit,disk Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Hendrickson Trailer Suspension Systems |
| Status | ACTIVE |
| Component Quantity | 6 |
| Nonsupply Items and Quantities | E 20 TORX HD MACHING BOLT 1; HARDENED FLAT WASHER 2; SELF-LOCKING HEX NUT 1; CONCENTRIC SHOULDERED WASHER 1; ECCENTRIC SHOULDERED WASHER 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 2530-01-645-8443 is a Parts Kit,disk Brake, manufactured by Hendrickson Trailer Suspension Systems, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-645-8443 has 2 manufacturer part numbers on file: 121544 (Haulmark Trailers (australia) Pty Ltd), S-31625 (Hendrickson Trailer Suspension Systems).
Key specifications for S-31625: Component Quantity: 6; Nonsupply Items and Quantities: E 20 TORX HD MACHING BOLT 1; HARDENED FLAT WASHER 2; SELF-LOCKING HEX NUT 1; CONCENTRIC SHOULDERED WASHER 1; ECCENTRIC SHOULDERED WASHER 1. 2 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.