MS51861-12: SHIELD,AIRCRAFT GROUND SERVICING.
SHIELD,AIRCRAFT GROUND SERVICING. Key specifications include latch: NOT INCLUDED, shape: HALF ROUNDED, handle: FURNISHED, diameter: 22.874 INCHES NOMINAL IN, thickness: 0.750 INCHES NOMINAL IN, design_type: PLUG. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-140-8001, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| latch | NOT INCLUDED |
| shape | HALF ROUNDED |
| handle | FURNISHED |
| diameter | 22.874 INCHES NOMINAL IN |
| thickness | 0.750 INCHES NOMINAL IN |
| design_type | PLUG |
| furnished_items | WARNING STREAMER |
| handle_quantity | 2 |
| preheater_duct_opening | NOT INCLUDED |
| end_item_identification | OV-1AF/B/C/D AND YAO-1 AIRCRAFT |
| cover/plug_protrusion_type | W/STOPS |
| NSN | 5305-00-140-8001 |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.112 INCHES IN |
| HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) |
| FEATURES PROVIDED | CASEHARDENED |
| HEAD STYLE | PAN |
| NONDEFINITIVE SPEC/STD DATA | AB TYPE |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |