The Bearing Unit,ball, cataloged under National Stock Number 3130-01-623-7178, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Igus Bearings Inc Div Igus, Incorporated. Government technical data includes 17 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-623-7178 |
| Primary Part Number | EFOI-08 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Igus Bearings Inc Div Igus, Incorporated |
| Status | ACTIVE |
| Lubrication Material | LUBRICANT DRY FILM |
| Assembly Overall Length | 0.518 INCHES NOMINAL IN |
| Mounting Slot Length | 0.315 INCHES NOMINAL IN |
| Flange Thickness | 0.250 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Rotating Element Locking Method | STRAIGHT SLEEVE |
| Block Type | FIXED |
| Style Designator | FLANGE BLOCK |
| Mounting Hole Diameter | 0.210 INCHES NOMINAL IN |
| Overall Outside Diameter | 2.232 INCHES NOMINAL IN |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Bolt Circle Diameter | 1.614 INCHES NOMINAL IN |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Housing Length | 0.276 INCHES NOMINAL IN |
| Housing Diameter | 1.220 INCHES NOMINAL IN |
| Load Capability Type | RADIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3130-01-623-7178 is a Bearing Unit,ball, manufactured by Igus Bearings Inc Div Igus, Incorporated, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-623-7178 has 2 manufacturer part numbers on file: EFOI-08 (Igus Bearings Inc Div Igus, Incorporated), EFOI-08 (Eastern Bearings Inc).
Key specifications for EFOI-08: Lubrication Material: LUBRICANT DRY FILM; Assembly Overall Length: 0.518 INCHES NOMINAL IN; Mounting Slot Length: 0.315 INCHES NOMINAL IN; Flange Thickness: 0.250 INCHES NOMINAL IN. 17 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.