The Bearing,roller,needle, cataloged under National Stock Number 3110-01-138-7272, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-138-7272 |
| Primary Part Number | MS21439-124 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Lubrication Material | GREASEGREASE |
| Surface Finish | GROUNDGROUND |
| Seal Quantity | 22 |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGSAFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS |
| Outer Ring Width | 2.6900 INCHES NOMINAL2.6900 INCHES NOMINAL IN |
| Inner Ring Width | 2.7500 INCHES NOMINAL2.7500 INCHES NOMINAL IN |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSEMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL OR STEEL CORROSION RESISTING ROLLER |
| Material | STEEL OR STEEL CORROSION RESISTING OUTER RING |
| Surface Treatment | CADMIUM END PLATECADMIUM END PLATE |
| Material Document and Classification | L-P-392 FED SPEC 2ND MATERIAL RESPONSE OR L-P-392 FED SPEC 2ND MATERIAL RESPONSE OR L-P-410,TY 6/6 FED SPEC 3RD MATERIAL RESPONSE SEALL-P-410,TY 6/6 FED SPEC 3RD MATERIAL RESPONSE SEAL |
| Material | STEEL OR STEEL CORROSION RESISTING END PLATE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TY 1,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-13924 MIL SPEC 2ND TREATMENT RESPONSE INNER RINGMIL-C-13924 MIL SPEC 2ND TREATMENT RESPONSE INNER RING |
| Surface Treatment Document and Classification | QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RINGQQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE END PLATEQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE END PLATE |
| Bearing Seal Type | CONTACTCONTACT |
| Alignment Type | RIGIDRIGID |
| Style Designator | AIRFRAME, HARDENED AND GROUND, NON-SEPARABLEAIRFRAME, HARDENED AND GROUND, NON-SEPARABLE |
| Bore Diameter | 1.5000 INCHES NOMINAL1.5000 INCHES NOMINAL IN |
| Material | PLASTIC POLYAMIDE NYLON OR PLASTIC ACETAL OR PLASTIC POLYHEXAMETHYLENE ADIPAMIDE SEAL |
| Overall Outside Diameter | 3.0000 INCHES NOMINAL3.0000 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR CADMIUM OR OXIDE INNER RINGOXIDE INNER RING |
| Surface Treatment | CHROMIUM OUTER RINGCHROMIUM OUTER RING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS21439-124 | Society of Automotive Engineers Inc (USA) |
| MS21439-124 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS21439-124 PRIMARY | Sae International Dba Sae International (USA) |
| AS21439 | Sae International Dba Sae International (USA) |
| 10085899 | Nimikkeistokeskus Ncb Finland (FIN) |
| AS21439 | Society of Automotive Engineers Inc (USA) |
NSN 3110-01-138-7272 is a Bearing,roller,needle, manufactured by Sae International Dba Sae International, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-01-138-7272 has 6 cross-referenced part numbers: MS21439-124 (Society of Automotive Engineers Inc), MS21439-124 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS21439-124 (Sae International Dba Sae International), AS21439 (Sae International Dba Sae International), 10085899 (Nimikkeistokeskus Ncb Finland) and 1 more.
There are 5 known substitutes for 3110-01-138-7272: 3110-01-217-2326, 3110-01-217-2327, 3110-01-217-2843 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS21439-124: Lubrication Material: GREASEGREASE; Surface Finish: GROUNDGROUND; Seal Quantity: 22; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGSAFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS. 24 total characteristics are documented in the Federal Logistics Information System.