The Piston,air Brake System, cataloged under National Stock Number 2530-01-437-8813, 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 Ingersoll-Rand Co Material Handling Div. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-437-8813 |
| Primary Part Number | DU-A713B |
| Item Name | Piston,air Brake System |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Ingersoll-Rand Co Material Handling Div |
| Status | ACTIVE |
| General Characteristics Item Description | SINGLE RING GROOVE |
| 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 |
|---|---|
| DU-A713B PRIMARY | Ingersoll-Rand Co Material Handling Div (USA) |
| P5637 PIECE 245 | Ingersoll-Rand Co Material Handling Div (USA) |
| Reference | Meaning |
|---|---|
| DU-A713B | C/1 Advisory reference — outside the item-of-supply concept Ingersoll Rand Co |
NSN 2530-01-437-8813 is a Piston,air Brake System, manufactured by Ingersoll-Rand Co Material Handling Div, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-437-8813 has 2 manufacturer part numbers on file: DU-A713B (Ingersoll-Rand Co Material Handling Div), P5637 PIECE 245 (Ingersoll-Rand Co Material Handling Div).
Key specifications for DU-A713B: General Characteristics Item Description: SINGLE RING GROOVE; Special Features: 1 PISTON RING PROVIDED; End Item Identification: WASP CLASS LHD. 1 specification is 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.