The Bearing Unit,ball, cataloged under National Stock Number 3130-01-302-8303, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-302-8303 |
| Primary Part Number | 1552ASA112-1 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Lubrication Fitting Type | HYDRAULIC |
| Housing Height | 5.560 INCHES NOMINAL IN |
| Mounting Hole Type | SLOTTED |
| Block Type | FIXED |
| Center to Center Distance Between Mounting Holes Along Width | 7.940 INCHES NOMINAL IN |
| Housing Width | 9.500 INCHES NOMINAL IN |
| Base Length | 2.380 INCHES NOMINAL IN |
| Base Thickness | 0.880 INCHES NOMINAL IN |
| Bore Diameter | 2.4370 INCHES MINIMUM AND 2.4400 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL COMP E52100 BEARING |
| Material | IRON CAST HOUSING |
| Material | STEEL RETAINER |
| Height From Bottom of Base to Bore Centerline | 2.750 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 45.0 DEGREES NOMINAL |
| Mounting Slot Width | 0.720 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1552ASA112-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| VPS-239 | Emerson Electric Co Browning Mfg Div (USA) |
NSN 3130-01-302-8303 is a Bearing Unit,ball, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-302-8303 has 2 manufacturer part numbers on file: 1552ASA112-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), VPS-239 (Emerson Electric Co Browning Mfg Div).
Key specifications for 1552ASA112-1: Lubrication Fitting Type: HYDRAULIC; Housing Height: 5.560 INCHES NOMINAL IN; Mounting Hole Type: SLOTTED; Block Type: FIXED. 16 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.