The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-074-9179, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-074-9179 |
| Primary Part Number | 800038-1 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 3.1245 INCHES MINIMUM AND 3.1250 INCHES MAXIMUM IN |
| Features Provided | ALIGNING RING |
| Load Direction | RADIAL |
| Bore Diameter | 2.4994 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 BALL |
| Material | GREASE LUBRICATION |
| Material | STEEL COMP E52100 INNER RACE |
| Material | STEEL COMP E52100 OUTER RACE |
| Material | PLASTIC PHENOLIC SEPARATOR |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 800038-1 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 800038-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 50456201 | 5/1 Secondary reference Kaydon Corporation Dba Kaydon Corp |
NSN 3110-01-074-9179 is a Bearing,ball,duplex, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-074-9179 has 1 manufacturer part number on file: 800038-1 (Mpb Corp Div Timken Super Precision).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-649-7430. Verify interchangeability with system specifications before substitution.
Key specifications for 800038-1: Surface Finish: GROUND; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING; Material Document and Classification: UNABLE TO DECODE; Overall Width: 0.5900 INCHES MINIMUM AND 0.6200 INCHES MAXIMUM IN. 13 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.