The Ball End,wire Rope,swaging, cataloged under National Stock Number 4030-00-903-1584, is classified within Federal Supply Class 4030 (Fittings for Rope, Cable, and Chain) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Loos & Co Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-00-903-1584 |
| Primary Part Number | BA3-1 |
| Item Name | Ball End,wire Rope,swaging |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Loos & Co Inc |
| Status | ACTIVE |
| Style Designator | OVAL |
| Diameter | 0.125 INCHES NOMINAL IN |
| Accommodated Material Diameter | 0.031 INCHES NOMINAL IN |
| Inside Diameter | 0.031 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BA3-1 PRIMARY | Loos & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| RA2487-1 | 5/9 Secondary reference U.S. Government activity |
| RA2487-1 | C/1 Advisory reference — outside the item-of-supply concept Acco Industries Inc American Chain Div |
| RA2487-1 | 5/9 Secondary reference Trident Automotive Inc |
NSN 4030-00-903-1584 is a Ball End,wire Rope,swaging, manufactured by Loos & Co Inc, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-00-903-1584 has 1 manufacturer part number on file: BA3-1 (Loos & Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5950-00-921-1228. Verify interchangeability with system specifications before substitution.
Key specifications for BA3-1: Style Designator: OVAL; Diameter: 0.125 INCHES NOMINAL IN; Accommodated Material Diameter: 0.031 INCHES NOMINAL IN; Inside Diameter: 0.031 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.