The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-188-3530, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3120-01-188-3530 |
| Primary Part Number | ADSB100-302 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Astro Division |
| Status | ACTIVE |
| Inner Member Width | 1.1250 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM IN |
| Outer Member Width | 1.2000 INCHES NOMINAL IN |
| Style Designator | WITHOUT INSERT OR LINER |
| Static Radial Load Rating | 140000 POUNDS LBS |
| Bore Diameter | 6.2740 INCHES MINIMUM AND 6.2750 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 OUTER RACE MEMBER |
| Material | ALUMINUM ALLOY 2024 INNER MEMBER |
| Outer Member Outside Diameter | 6.8990 INCHES MINIMUM AND 6.9000 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 |
|---|---|
| ADSB100-302 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| 03-824-100E-002 PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| HSP100TL102 PRIMARY | U S Bearings (USA) |
| Reference | Meaning |
|---|---|
| KSAD100-6 | 3/2 Design control — primary reference U.S. Government activity |
| C7547-4 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3120-01-188-3530 is a Bearing,plain,self-Aligning, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-188-3530 has 3 manufacturer part numbers on file: ADSB100-302 (New Hampshire Ball Bearings Inc Div Astro Division), 03-824-100E-002 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), HSP100TL102 (U S Bearings).
Key specifications for ADSB100-302: Inner Member Width: 1.1250 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM IN; Outer Member Width: 1.2000 INCHES NOMINAL IN; Style Designator: WITHOUT INSERT OR LINER; Special Features: OUTER RING HAS THREE HOLDING TABS EACH WITH A 0.2835 IN. HOLE THRU IN. 8 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.