The Lining,friction, cataloged under National Stock Number 2530-00-289-7207, 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 Fwd Seagrave Holdings Lp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2530-00-289-7207 |
| Primary Part Number | 4A2740D30 |
| Item Name | Lining,friction |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Fwd Seagrave Holdings Lp |
| Status | CANCELLED |
| Arc Length | 11.344 INCHES MINIMUM AND 11.531 INCHES MAXIMUM IN |
| Lining Style | SEGMENT PLAIN |
| Features Provided | RIGID FRICTION LINING |
| Surface Condition and Location | ONE SIDE GROUND |
| Application Type | DRY |
| Width | 2.969 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN |
| Minor Radius | 7.312 INCHES NOMINAL IN |
| Material | ASBESTOS FRICTION LINING |
| Fabrication Method | MOLDED |
| Thickness | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4A2740D30 PRIMARY | Fwd Seagrave Holdings Lp (USA) |
| 2740D30 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| 7368681 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 914724 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 99058R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 913902 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 2740D30 | 5/9 Secondary reference Kersey / American Lafrance a Div of Figgie International Inc |
| 2530002897207 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 811E601 | 5/9 Secondary reference Kersey / American Lafrance a Div of Figgie International Inc |
| 401M4 | 5/9 Secondary reference Diamond Reo Truck Co |
| KC5207 | 5/9 Secondary reference Diamond Reo Truck Co |
| 7368681 | 5/9 Secondary reference U.S. Government activity |
| LA386-2 | 5/9 Secondary reference Pettibone Llc |
NSN 2530-00-289-7207 is a Lining,friction, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: cancelled.
NSN 2530-00-289-7207 has 3 manufacturer part numbers on file: 4A2740D30 (Fwd Seagrave Holdings Lp), 2740D30 (Meritor Heavy Vehicle Systems, Llc), 7368681 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-259-8821, 5950-01-647-9735. Verify interchangeability with system specifications before substitution.
Key specifications for 4A2740D30: Arc Length: 11.344 INCHES MINIMUM AND 11.531 INCHES MAXIMUM IN; Lining Style: SEGMENT PLAIN; Features Provided: RIGID FRICTION LINING; Surface Condition and Location: ONE SIDE GROUND. 10 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2530-00-289-7207 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.