The Cylinder Assembly,reaction, cataloged under National Stock Number 2540-01-657-4507, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Ameritool Mfg., Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-657-4507 |
| Primary Part Number | 750-10S-20 A1A1 |
| Item Name | Cylinder Assembly,reaction |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Ameritool Mfg., Inc. |
| Status | ACTIVE |
| Compressed Length | 13.4 INCHES NOMINAL IN |
| Extended Length | 23.0 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 750-10S-20 A1A1 PRIMARY | Ameritool Mfg., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 750-10S-20 | 3/9 Design control — primary reference Ameritool Inc |
NSN 2540-01-657-4507 is a Cylinder Assembly,reaction, manufactured by Ameritool Mfg., Inc., classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-657-4507 has 1 manufacturer part number on file: 750-10S-20 A1A1 (Ameritool Mfg., Inc.).
Key specifications for 750-10S-20 A1A1: Compressed Length: 13.4 INCHES NOMINAL IN; Extended Length: 23.0 INCHES NOMINAL IN; Design Characteristics: SINGLE ACTING SINGLE CYLINDER; Part Name Assigned by Controlling Agency: REACTION CYLINDER ASSEMBLY. 3 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.