The Bearing,plain,rod End, cataloged under National Stock Number 3120-00-166-0675, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Astro Division. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3120-00-166-0675 |
| Primary Part Number | 685175-1 |
| Item Name | Bearing,plain,rod End |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Astro Division |
| Status | ACTIVE |
| Shank Thread Length | 1.0000 INCHES MINIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY |
| Surface Treatment Document and Classification | QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER |
| Bore Center to Shank End Distance | 1.5520 INCHES MINIMUM AND 1.5720 INCHES MAXIMUM IN |
| Inner Member Width | 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Hardness Rating | 60.0 ROCKWELL C MAXIMUM INNER MEMBER |
| Outer Member Width | 0.2760 INCHES MINIMUM AND 0.2860 INCHES MAXIMUM IN |
| Style Designator | BALL TYPE |
| Thread Diameter | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE ROD END BODY |
| Material Document and Classification | TFE 685175-1,49956 MFR REF SINGLE MATERIAL RESPONSE RACE LINER |
| Material Document and Classification | TYPE 17-4PH 685175-1,49956 MFR REF 1ST MATERIAL RESPONSE OR AMS 7440 ASSN STD 2ND MATERIAL RESPONSE INNER MEMBER |
| Thread Direction | RIGHT-HAND |
| Shank Style | EXTERNALLY THREADED |
| Surface Treatment | CADMIUM ROD END BODY |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Static Radial Load Rating | 1550 POUNDS LBS |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER |
| Material | STEEL COMP 1018 ROD END BODY |
| Material | STEEL CORROSION RESISTING RACE INSERT |
| Material | STEEL COMP 630 OR STEEL INNER MEMBER |
| Thread Series Designator | UNF |
| Outer Member Outside Diameter | 0.7400 INCHES MINIMUM AND 0.7600 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 | X |
| Part Number | Manufacturer |
|---|---|
| 685175-1 | Roller Bearing Company of America, Inc. (USA) |
| 685175-1 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| ATHE4-9 | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| Reference | Meaning |
|---|---|
| 685175-1 | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
| 685175-1 | 7/1 Vendor item drawing reference Raytheon Company Div Corp |
NSN 3120-00-166-0675 is a Bearing,plain,rod End, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-166-0675 has 3 manufacturer part numbers on file: 685175-1 (Roller Bearing Company of America, Inc.), 685175-1 (New Hampshire Ball Bearings Inc Div Astro Division), ATHE4-9 (New Hampshire Ball Bearings Inc Div Astro Division).
Key specifications for 685175-1: Shank Thread Length: 1.0000 INCHES MINIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY; Surface Treatment Document and Classification: QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER; Bore Center to Shank End Distance: 1.5520 INCHES MINIMUM AND 1.5720 INCHES MAXIMUM IN. 26 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.