The Bearing,plain,rod End, cataloged under National Stock Number 3120-01-221-8752, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-221-8752 |
| Primary Part Number | AB3E35FN |
| 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 | 0.9688 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER |
| Surface Treatment Document and Classification | QQ-P-416,TYPE1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RACE INSERT |
| Surface Treatment Document and Classification | QQ-P-416,TYPE1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY |
| Bore Center to Shank End Distance | 1.5520 INCHES MINIMUM AND 1.5720 INCHES MAXIMUM IN |
| Inner Member Width | 0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN |
| Hardness Rating | 57.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM INNER MEMBER |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM ROD END BODY |
| Outer Member Width | 0.3320 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN |
| Style Designator | BALL TYPE |
| Thread Diameter | 0.312 INCHES NOMINAL IN |
| Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Material Document and Classification | AMS 7440 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-7420 MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR AMS 5630 ASSN STD 2ND MATERIAL RESPONSE INNER MEMBER |
| Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6370 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6415 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR AMS 5069 ASSN STD 3RD MATERIAL RESPONSE ROD END BODY |
| Material Document and Classification | QQ-C-465 FED SPEC 1ST MATERIAL RESPONSE OR QQ-C-465 FED SPEC 2ND MATERIAL RESPONSE OR QQ-C-465 FED SPEC 3RD MATERIAL RESPONSE OR QQ-B-637 FED SPEC 4TH MATERIAL RESPONSE OR QQ-B-637 FED SPEC 5TH MATERIAL RESPONSE RACE INSERT |
| Lubrication Feature | GROOVE INNER MEMBER |
| Features Provided | EXTERNAL LUBRICATION FITTING |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 26512-GB525AB MANUFACTURERS SPECIFICATION CONTROL |
| Shank Style | EXTERNALLY THREADED |
| Surface Treatment | CADMIUM RACE INSERT |
| Surface Treatment | CADMIUM ROD END BODY |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Thread Class | 3A A |
| Test Data Document | 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 24 |
| Static Radial Load Rating | 4500 POUNDS LBS |
| Bore Diameter | 0.1895 INCHES MINIMUM AND 0.1915 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 |
|---|---|
| AB3E35FN | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| Reference | Meaning |
|---|---|
| BRE-3090-L | 3/2 Design control — primary reference U.S. Government activity |
| GB525AB7 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 3120-01-221-8752 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 3120-01-221-8752 has 1 manufacturer part number on file: AB3E35FN (New Hampshire Ball Bearings Inc Div Astro Division).
Key specifications for AB3E35FN: Shank Thread Length: 0.9688 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER; Surface Treatment Document and Classification: QQ-P-416,TYPE1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RACE INSERT; Surface Treatment Document and Classification: QQ-P-416,TYPE1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY. 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.