The Bearing,ball,annular, cataloged under National Stock Number 3110-00-554-3921, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-554-3921 |
| Primary Part Number | 0374-05 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | CANCELLED |
| Shield Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.5 |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Retainer Fabrication Method | PRESSED |
| Load Direction | RADIAL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bore Shape | STRAIGHT |
| Lubrication Material | GREASE |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL OVERALL |
| Overall Outside Diameter | 0.7500 INCHES NOMINAL IN |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| RS77R4ACZD5MILG3278 | General Motors Corp Delco Moraine Ndh Div (USA) |
| 9004138 | Us Army Aviation and Missile Command (USA) |
| 0374-05 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| R4ASS3G2 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| R4ASS3MILG3278A | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| Z99R4AXR5E | General Motors Corp Delco Moraine Ndh Div (USA) |
| RS77R4ACZD5MILG3278 | General Motors Corp (USA) |
| 0374-5REVD | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| RS77R4ACZD5MILG3278 | General Motors Llc Dba General Motors Llc (USA) |
| 300302-1 | Edo (USA) |
NSN 3110-00-554-3921 is a Bearing,ball,annular, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-554-3921 has 10 cross-referenced part numbers: RS77R4ACZD5MILG3278 (General Motors Corp Delco Moraine Ndh Div), 9004138 (Us Army Aviation and Missile Command), 0374-05 (Lockheed Martin Corporation Div Rms - Mitchel Field), R4ASS3G2 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), R4ASS3MILG3278A (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation) and 5 more.
There is 1 known substitute for 3110-00-554-3921: 6145-01-085-7392. Verify interchangeability with system specifications before substitution.
Key specifications for 0374-05: Overall Width: 0.2813 INCHES NOMINAL IN; Shield Quantity: 2; Standard Tolerance Designation: ABEC NO.5; Internal Fit-Up Designation: STANDARD. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-554-3921 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.