The Ball Screw Assembly,rammer Rail, cataloged under National Stock Number 2530-01-007-3721, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2530-01-007-3721 |
| Primary Part Number | 3021249 |
| Item Name | Ball Screw Assembly,rammer Rail |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AISI 4150 W/NICKEL PLATED FINISH,5.609 IN. O/A LENGTH W/THD NUT,FLANGE 0.340 IN. THICK W/4 UN-THD HOLES 0.177 IN. DIA ON 1.240 IN. BC,1.609 IN OD,FIRST END SHAFT 0.250IN. DIA W/0.031 IN. GROOVE,OTHER END 0.375 BY 0.125 LEAD ROLLED THD W |
| 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 |
|---|---|
| 3021249 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| W0901U1H | 5/9 Secondary reference Minebea Mitsumi Inc. |
NSN 2530-01-007-3721 is a Ball Screw Assembly,rammer Rail, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-007-3721 has 1 manufacturer part number on file: 3021249 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 3021249: General Characteristics Item Description: STEEL AISI 4150 W/NICKEL PLATED FINISH,5.609 IN. O/A LENGTH W/THD NUT,FLANGE 0.340 IN. THICK W/4 UN-THD HOLES 0.177 IN. DIA ON 1.240 IN. BC,1.609 IN OD,FIRST END SHAFT 0.250IN. DIA W/0.031 IN. GROOVE,OTHER END 0.375 BY 0.125 LEAD ROLLED THD W. 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.