The Bearing,ball,rod End, cataloged under National Stock Number 3110-01-461-1576, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Div Aerosspace Bearing Operation. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-461-1576 |
| Primary Part Number | SM4-4P1-501 |
| Item Name | Bearing,ball,rod End |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| Status | ACTIVE |
| Shank Diameter | 0.2500 INCHES NOMINAL IN |
| Shank Thread Length | 1.6250 INCHES MINIMUM AND 1.6850 INCHES MAXIMUM IN |
| Lubrication Material | LUBRICANT |
| Outer Ring Width | 0.3500 INCHES MINIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 1, CLASS 2 FED SPEC 1ST TREATMENT RESPONSE ROD END BODY |
| Internal Fit-Up Designation | STANDARD |
| Shield Quantity | 2 |
| Style Designator | SINGLE ROW, CONCAVE ROLLERS |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE ROD END BODY |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE ROLLER |
| Material Document and Classification | QQ-S-766 FED SPEC 1ST MATERIAL RESPONSE SHIELD |
| Overall Outside Diameter | 0.8000 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.2500 INCHES IN |
| Self-Alignment Angle | 10.00 DEGREES NOMINAL |
| Shank Style | EXTERNALLY THREADED W/SLOT |
| Alignment Type | SELF-ALIGNING |
| Surface Treatment | CADMIUM ROD END BODY |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Length From Bore Center to Shank End | 2.2250 INCHES MINIMUM AND 2.2550 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C ROLLER |
| Material | STEEL COMP 310 SHIELD |
| Material | STEEL COMP 410 ROD END BODY |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Self-Alignment Location | INTERNAL |
| 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 |
|---|---|
| SM4-4P1-501 PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| Reference | Meaning |
|---|---|
| 4D0072-1R | 5/9 Secondary reference U.S. Government activity |
| 42121-146 | D/9 Drawing number reference only Rexnord Industries, Llc Div Aerosspace Bearing Operation |
NSN 3110-01-461-1576 is a Bearing,ball,rod End, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-461-1576 has 1 manufacturer part number on file: SM4-4P1-501 (Rexnord Industries, Llc Div Aerosspace Bearing Operation).
Key specifications for SM4-4P1-501: Shank Diameter: 0.2500 INCHES NOMINAL IN; Shank Thread Length: 1.6250 INCHES MINIMUM AND 1.6850 INCHES MAXIMUM IN; Lubrication Material: LUBRICANT; Outer Ring Width: 0.3500 INCHES MINIMUM IN. 27 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.