The Seat,bearing, cataloged under National Stock Number 3110-01-121-5318, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Twg Canada Consolidated Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-121-5318 |
| Primary Part Number | 25483 |
| Item Name | Seat,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Twg Canada Consolidated Inc |
| Status | ACTIVE |
| Style Designator | FLAT RACE SURFACE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 47.00 MILLIMETERS NOMINAL MM |
| Bore Diameter | 30.00 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP E52100 OVERALL |
| 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 |
|---|---|
| 25483 | Twg Canada Consolidated Inc (CAN) |
| D-3540 ITEM 63 | Industrial Resistance and Heatingcanada Ltd (CAN) |
| Reference | Meaning |
|---|---|
| AS3047 | 3/9 Design control — primary reference Ina Bearing Co Inc |
NSN 3110-01-121-5318 is a Seat,bearing, manufactured by Twg Canada Consolidated Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-121-5318 has 2 manufacturer part numbers on file: 25483 (Twg Canada Consolidated Inc), D-3540 ITEM 63 (Industrial Resistance and Heatingcanada Ltd).
4 possible matches (shared part number, not a government interchangeability claim): 2990-01-128-4670, 5998-01-538-0591, 6505-01-597-5661. Verify interchangeability with system specifications before substitution.
Key specifications for 25483: Style Designator: FLAT RACE SURFACE; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 1.00 MILLIMETERS NOMINAL MM; Outside Diameter: 47.00 MILLIMETERS NOMINAL MM. 5 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.