The Roller,linear-Rotary Motion, cataloged under National Stock Number 3120-01-263-3556, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Kamatics Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-263-3556 |
| Primary Part Number | KRP117400V-4 |
| Item Name | Roller,linear-Rotary Motion |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Bore Length | 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Style Designator | PLAIN, PROTRUDING HUBS |
| Outside Diameter | 1.375 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL COMP 630 |
| Face Width | 0.275 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN |
| Metallic Hardness Rating | 40.0 MINIMUM ROCKWELL C |
| Bore Inside Diameter | 0.625 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 |
|---|---|
| KRP117400V-4 PRIMARY | Kamatics Corporation (USA) |
| Reference | Meaning |
|---|---|
| KDJ10-130 | 5/2 Secondary reference U.S. Government activity |
| 176C2518-4 | 7/2 Vendor item drawing reference General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| YR1072 | 5/9 Secondary reference Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. |
| YR1072 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3120-01-263-3556 is a Roller,linear-Rotary Motion, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-263-3556 has 1 manufacturer part number on file: KRP117400V-4 (Kamatics Corporation).
Key specifications for KRP117400V-4: Bore Length: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Style Designator: PLAIN, PROTRUDING HUBS; Outside Diameter: 1.375 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 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.