The Bearing,plain,rod End, cataloged under National Stock Number 3120-01-217-2249, 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 29 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 3120-01-217-2249 |
| Primary Part Number | KR8 FSLV |
| Item Name | Bearing,plain,rod End |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Shank Thread Length | 1.2500 INCHES MINIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES ROD END BODY |
| Bore Center to Shank End Distance | 2.2400 INCHES MINIMUM AND 2.2600 INCHES MAXIMUM IN |
| Inner Member Width | 0.6230 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RACE INSERT |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM ROD END BODY |
| Outer Member Width | 0.5100 INCHES MINIMUM AND 0.5200 INCHES MAXIMUM IN |
| Style Designator | BALL TYPE |
| Thread Diameter | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE RACE INSERT |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE ROD END BODY |
| Material Document and Classification | AMS 5630 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5629 ASSN STD 2ND MATERIAL RESPONSE INNER MEMBER |
| Shank Width Across Wrench Flats | 0.7400 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN |
| Thread Direction | LEFT-HAND |
| Shank Style | INTERNALLY THREADED W/HEXAGON END AND INSPECTION HOLE |
| Surface Treatment | CADMIUM AND CHROMATE ROD END BODY |
| Surface Treatment | PASSIVATE INNER MEMBER |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Static Radial Load Rating | 19500 POUNDS LBS |
| Bore Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER |
| Material | STEEL COMP E4340 ROD END BODY |
| Material | STEEL COMP 630 RACE INSERT |
| Material | STEEL COMP 440C OR STEEL COMP XM-13 INNER MEMBER |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Inspection Hole Center to End Distance | 0.5420 INCHES MINIMUM AND 0.5820 INCHES MAXIMUM 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 |
|---|---|
| 5D3-03073 PIECE 23 | Lake Shore Systems, Inc. (USA) |
| KR8 FSLV PRIMARY | Kamatics Corporation (USA) |
| Reference | Meaning |
|---|---|
| AS81935/2 | 5/9 Secondary reference U.S. Government activity |
| M81935/2-08L | 5/9 Secondary reference U.S. Government activity |
| MIL-B-81935/2 | 5/9 Secondary reference U.S. Government activity |
| MS21243-8-L | 5/9 Secondary reference U.S. Government activity |
| M81935/2-8L | 5/9 Secondary reference U.S. Government activity |
| AS81935 | 5/9 Secondary reference U.S. Government activity |
| M81935/2-08L | 3/9 Design control — primary reference U.S. Government activity |
NSN 3120-01-217-2249 is a Bearing,plain,rod End, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-217-2249 has 2 manufacturer part numbers on file: 5D3-03073 PIECE 23 (Lake Shore Systems, Inc.), KR8 FSLV (Kamatics Corporation).
6 possible matches (shared part number, not a government interchangeability claim): 3120-01-234-1476, 3120-01-242-6253, 3120-01-280-5526. Verify interchangeability with system specifications before substitution.
Key specifications for KR8 FSLV: Shank Thread Length: 1.2500 INCHES MINIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES ROD END BODY; Bore Center to Shank End Distance: 2.2400 INCHES MINIMUM AND 2.2600 INCHES MAXIMUM IN. 29 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.