The Bearing,roller,airframe, cataloged under National Stock Number 3110-00-278-7245, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-278-7245 |
| Primary Part Number | DA12-38A |
| Item Name | Bearing,roller,airframe |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc |
| Status | ACTIVE |
| Inner Ring Width | 1.0625 INCHES NOMINAL IN |
| Shield Quantity | 2 |
| Seal Quantity | 2 |
| Lubrication Material | GREASE |
| Outer Ring Width | 1.1250 INCHES NOMINAL IN |
| Bearing Seal Type | CONTACT |
| Overall Outside Diameter | 2.3750 INCHES NOMINAL IN |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bore Diameter | 0.7500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 ROLLER |
| Material | COPPER ALLOY RETAINER |
| Material Document and Classification | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Material | STEEL COMP E52100 INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SHIELD |
| Material Document and Classification | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE ROLLER |
| Material | STEEL COMP 430 SHIELD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C12F | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| STSKR100-12 | Lockheed Martin Corp (USA) |
| DA12-38AQ | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| DA12-38A | Lockheed Martin Services, Llc (USA) |
| DA12-38A PRIMARY | Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc (USA) |
| DA12-38A | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| DA12-38A | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) (USA) |
| C12 | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| C12MILG3278 | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| C240270-1 | Raytheon Company Dba Raytheon Co (USA) |
| DA12-38A PRIMARY | Lockheed Martin Corp (USA) |
NSN 3110-00-278-7245 is a Bearing,roller,airframe, manufactured by Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-278-7245 has 11 cross-referenced part numbers: C12F (Rexnord Industries, Llc Div Aerosspace Bearing Operation), STSKR100-12 (Lockheed Martin Corp), DA12-38AQ (Rexnord Industries, Llc Div Aerosspace Bearing Operation), DA12-38A (Lockheed Martin Services, Llc), DA12-38A (Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc) and 6 more.
There are 2 known substitutes for 3110-00-278-7245: 5365-00-375-1811, 1510-01-235-5840. Verify interchangeability with system specifications before substitution.
Key specifications for DA12-38A: Inner Ring Width: 1.0625 INCHES NOMINAL IN; Shield Quantity: 2; Seal Quantity: 2; Lubrication Material: GREASE. 22 total characteristics are documented in the Federal Logistics Information System.