The Caliper Assembly,disc Brake, cataloged under National Stock Number 2530-01-321-8358, 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 Tolomatic, Inc. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Caliper Assembly,disc Brake |
| FSC / FSG | 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components (FSG 25) |
| Manufacturers | Harlan Global Manufacturing Llc (CAGE 60905); Tolomatic, Inc (CAGE 26455) |
| Parameter | Value |
|---|---|
| NSN | 2530-01-321-8358 |
| Primary Part Number | 3000-0020 |
| Item Name | Caliper Assembly,disc Brake |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Tolomatic, Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 02027-0008 | Harlan Global Manufacturing Llc (USA) |
| 3000-0020 PRIMARY | Tolomatic, Inc (USA) |
| Reference | Meaning |
|---|---|
| MB-1F3000-20 | 5/9 Secondary reference Tol-O-Matic, Inc. Dba Use CAGE Code 26455 for Cataloging |
NSN 2530-01-321-8358 is a Caliper Assembly,disc Brake, manufactured by Tolomatic, Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-321-8358 has 2 manufacturer part numbers on file: 02027-0008 (Harlan Global Manufacturing Llc), 3000-0020 (Tolomatic, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5411-01-599-6269, 5411-01-599-6271. Verify interchangeability with system specifications before substitution.
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.