The Roller,bearing, cataloged under National Stock Number 3110-01-131-7629, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-131-7629 |
| Item Name | Roller,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Rolling Element Diameter | 0.9688 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL ROLLER, FLAT ENDS |
| Material Document and Classification | MIL-P-19468 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4491153-55A | 3/9 Design control — primary reference Esta Products Company |
| SS-522-4491153 | 7/9 Vendor item drawing reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 4491153-55A | 5/9 Secondary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 4491153-A-55 | 5/9 Secondary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
NSN 3110-01-131-7629 is a Roller,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-159-5759, 3040-01-224-3150. Verify interchangeability with system specifications before substitution.
Key specifications for 3110-01-131-7629: Rolling Element Diameter: 0.9688 INCHES NOMINAL IN; Style Designator: CYLINDRICAL ROLLER, FLAT ENDS; Material Document and Classification: MIL-P-19468 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 2.7969 INCHES MINIMUM AND 2.8281 INCHES MAXIMUM IN. 4 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.