The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-4215, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-156-4215 |
| Primary Part Number | FF-B-171 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Lubrication Material Document and Classification | MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE |
| Standard Tolerance Designation | ABEC NO.1 |
| Bearing Seal Type | CONTACT |
| Bore Shape | STRAIGHT |
| Surface Finish | GROUND |
| Standard Tolerance Designation | ABEC NO.1 |
| Internal Fit-Up Designation | STANDARD |
| Inner Ring Width | 0.5380 INCHES NOMINAL IN |
| Retainer Fabrication Method | PRESSED |
| Seal Quantity | 1 |
| Outer Ring Width | 0.5630 INCHES NOMINAL IN |
| Shield Quantity | 1 |
| Lubrication Material Document and Classification | MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE |
| Lubrication Material | GREASE |
| Load Direction | RADIAL |
| Material | STEEL INNER RING |
| Material | STEEL SHIELD |
| Material | STEEL RETAINER |
| Material | STEEL BALL |
| Material | STEEL INNER RING |
| Seal Quantity | 1 |
| Bore Diameter | 17.00 MILLIMETERS NOMINAL MM |
| Shield Quantity | 1 |
| Internal Fit-Up Designation | STANDARD |
| Load Direction | RADIAL |
| Bearing Seal Type | CONTACT |
| Bore Shape | STRAIGHT |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL OUTER RING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FF-B-171 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| CWC87503 | General Motors Corp (USA) |
| B14 | Raytheon Company (USA) |
| RL428 | Lamson Corp (USA) |
| 203KTDFS381A | Timken Co Div the Timken Company (USA) |
| 20631 | Desa Industries Inc Div of Amca International Corp (USA) |
| WC87503 | Ast Bearings Llc (USA) |
| 14705 | Ametek Inc Lamb Electric Div (USA) |
| WC87503 | Johnson Bearing Div Sales (USA) |
| RL428 | Lauson Division of Tecumseh Products Co (USA) |
| WC87503 | Ampec Inc Esi Bearing Distribution Div (USA) |
| 20132 | Lauson Division of Tecumseh Products Co (USA) |
| WC87503 | General Motors Corp Delco Moraine Ndh Div (USA) |
| CWC87503 | General Motors Corp Delco Moraine Ndh Div (USA) |
| WC87503 | Motion Industries, Inc. Div Pennington (USA) |
| 954217 | General Motors Corp (USA) |
| WC87503 | Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA) |
| WC87503CE1SA2 | Nsk Corp Bearing Div (USA) |
| WC87503 | General Motors Corp (USA) |
| WC87503 | Magnetics Intl Inc (USA) |
NSN 3110-00-156-4215 is a Bearing,ball,annular, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-156-4215 has 21 cross-referenced part numbers: FF-B-171 (Federal Specifications Promulgated by General Services Administration Washington DC), CWC87503 (General Motors Corp), B14 (Raytheon Company), RL428 (Lamson Corp), 203KTDFS381A (Timken Co Div the Timken Company) and 16 more.
There are 12 known substitutes for 3110-00-156-4215: 5950-00-062-9650, 3110-00-158-6192, 5315-00-198-5969 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FF-B-171: Lubrication Material: GREASE; Lubrication Material Document and Classification: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE; Standard Tolerance Designation: ABEC NO.1; Bearing Seal Type: CONTACT. 30 total characteristics are documented in the Federal Logistics Information System.