The Bearing,ball,rod End, cataloged under National Stock Number 3110-01-025-4455, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 28 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-025-4455 |
| Primary Part Number | MS21151-5 |
| Item Name | Bearing,ball,rod End |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Shank Diameter | 0.3750 INCHES MAXIMUM IN |
| Shank Thread Length | 0.7190 INCHES MINIMUM AND 0.7810 INCHES MAXIMUM IN |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3180 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES |
| Style Designator | DOUBLE ROW, STAGGERED, BALL |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE ROD END BODY |
| Material Document and Classification | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE SEAL |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OUTER RACE |
| Material Document and Classification | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RACE |
| Overall Outside Diameter | 0.7710 INCHES MINIMUM AND 0.7910 INCHES MAXIMUM IN |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Self-Alignment Angle | 10.00 DEGREES NOMINAL |
| Shank Style | EXTERNALLY THREADED |
| Alignment Type | SELF-ALIGNING |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Bore Diameter | 0.1897 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Length From Bore Center to Shank End | 1.3650 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 BALL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| 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 |
|---|---|
| MS21151-5 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS21151 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS21151-5 | 5/9 Secondary reference U.S. Government activity |
| REP3ML6-5F | 5/9 Secondary reference Roller Bearing Company of America, Inc. |
| AN946RE3M6-2N | 5/9 Secondary reference U.S. Government activity |
| REP3ML6-2NFS464 | 5/1 Secondary reference Roller Bearing Company of America, Inc. |
| MS21151-5 | 5/9 Secondary reference U.S. Government activity |
| REP3ML6-2NFS464 | 5/9 Secondary reference Timken Co Div the Timken Company |
| REP3ML6 | 5/9 Secondary reference Skf Usa Inc. |
| AS21151 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-025-4455 is a Bearing,ball,rod End, manufactured by Sae International Dba Sae International, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-025-4455 has 1 manufacturer part number on file: MS21151-5 (Sae International Dba Sae International).
Key specifications for MS21151-5: Shank Diameter: 0.3750 INCHES MAXIMUM IN; Shank Thread Length: 0.7190 INCHES MINIMUM AND 0.7810 INCHES MAXIMUM IN; Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT. 28 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.