The Bearing,plain,rod End, cataloged under National Stock Number 3120-01-124-5186, 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 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-124-5186 |
| Primary Part Number | 12307634 |
| 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 | 1.3750 INCHES NOMINAL IN |
| Bore Center to Shank End Distance | 2.1250 INCHES NOMINAL IN |
| Inner Member Width | 0.8130 INCHES NOMINAL IN |
| Outer Member Width | 0.3350 INCHES NOMINAL IN |
| Style Designator | SHOULDERED BALL TYPE |
| Shank End to Shoulder Length | 1.3750 INCHES NOMINAL IN |
| Thread Diameter | 0.438 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Shank Style | EXTERNALLY THREADED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Bore Diameter | 0.3125 INCHES NOMINAL IN |
| Thread Series Designator | UNF |
| Outer Member Outside Diameter | 1.1250 INCHES NOMINAL 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 |
|---|---|
| 12307634 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12307634 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| 12307634 PRIMARY | Roller Bearing Company of America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MX57-26XS | 5/1 Secondary reference Roller Bearing Company of America, Inc. |
| ARYM-5 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Astro Division |
| 10085930 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ARYM-5 | 5/9 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
NSN 3120-01-124-5186 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 3120-01-124-5186 has 3 manufacturer part numbers on file: 12307634 (U S Army Tank Automotive Command Amsta-Im-Mm), 12307634 (New Hampshire Ball Bearings Inc Div Astro Division), 12307634 (Roller Bearing Company of America, Inc.).
Key specifications for 12307634: Shank Thread Length: 1.3750 INCHES NOMINAL IN; Bore Center to Shank End Distance: 2.1250 INCHES NOMINAL IN; Inner Member Width: 0.8130 INCHES NOMINAL IN; Outer Member Width: 0.3350 INCHES NOMINAL IN. 14 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.