The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-220-3545, 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 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3120-01-220-3545 |
| Primary Part Number | 4G94457-103A |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Overall Thickness | 0.1250 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE INNER LAYER |
| Diameter | 11.5900 INCHES MINIMUM AND 11.6000 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 12.3200 INCHES MINIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OUTER LAYER |
| Material | STEEL COMP 301 INNER LAYER |
| Center Hole Shape Style | ROUND |
| 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 |
|---|---|
| 4G94457-103A PRIMARY | Kamatics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4G94457-103A | 1/2 Source control — Government-approved source U.S. Government activity |
| DW-185-004 | 5/9 Secondary reference U.S. Government activity |
| KJT110999V | 5/1 Secondary reference Kamatics Corporation |
| 4G94457-103A | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-220-3545 is a Bearing,washer,thrust, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-220-3545 has 1 manufacturer part number on file: 4G94457-103A (Kamatics Corporation).
Key specifications for 4G94457-103A: Corner Shape: SQUARE ALL CORNERS; Overall Thickness: 0.1250 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM IN; Style Designator: ROUND; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE INNER LAYER. 11 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.