The Bearing,plain,rod End, cataloged under National Stock Number 3120-01-366-6626, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-366-6626 |
| Item Name | Bearing,plain,rod End |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Shank Thread Length | 0.7350 INCHES MINIMUM AND 0.8070 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY |
| Bore Center to Shank End Distance | 1.3050 INCHES MINIMUM AND 1.3250 INCHES MAXIMUM IN |
| Inner Member Width | 0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RACE INSERT |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM ROD END BODY |
| Outer Member Width | 0.2230 INCHES MINIMUM AND 0.2330 INCHES MAXIMUM IN |
| Style Designator | BALL TYPE |
| Thread Diameter | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE RACE INSERT |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE ROD END BODY |
| Thread Direction | LEFT-HAND |
| Shank Style | EXTERNALLY THREADED |
| Surface Treatment | CADMIUM AND CHROMATE ROD END BODY |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Bore Diameter | 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER |
| Material | STEEL COMP E4340 ROD END BODY |
| Material | STEEL COMP 440C INNER MEMBER |
| Material | STEEL COMP 630 RACE INSERT |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Outer Member Outside Diameter | 0.6700 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| M81935/4-03L | 2/2 Government specification standardization U.S. Government activity |
| MIL-B-81935/4 | 4/1 Identification reference U.S. Government activity |
NSN 3120-01-366-6626 is a Bearing,plain,rod End, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3120-01-582-6860. Verify interchangeability with system specifications before substitution.
Key specifications for 3120-01-366-6626: Shank Thread Length: 0.7350 INCHES MINIMUM AND 0.8070 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY; Bore Center to Shank End Distance: 1.3050 INCHES MINIMUM AND 1.3250 INCHES MAXIMUM IN; Inner Member Width: 0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN. 25 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.