| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 2805-00-148-9054
 
 Federal Supply Class:
 2805
 
 National Item Identification Number:
 001489054
 
 Description:
 RING,PISTON
 
 Detail:
 A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; and SEAL RING, METAL.
 |  
		                        | 
 Manufacturer Information:
 
 | A51K8809-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |  | A51K8809-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION |  | A51K8809-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION | 
 |  
					            | 
 Techincal Specification:
 
 | MATERIAL | PLASTIC OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | RULON LD MFR REF SINGLE MATERIAL RESPONSE OVERALL |  | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |  | JOINT STYLE | VERTICAL JOINT |  | RING STYLE | CONCENTRIC |  | RADIAL WALL THICKNESS | 0.0880 INCHES MINIMUM AND |  |  | 0.0920 INCHES MAXIMUM |  | OVERALL WIDTH | 0.1220 INCHES MINIMUM AND |  |  | 0.1250 INCHES MAXIMUM |  | STANDARD BORE DIAMETER | 2.170 INCHES |  | FSC APPLICATION DATA | EJECTOR,FUEL TANK,AIRCRAFT |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 61174 |  | DESIGN CONTROL REFERENCE | A51K8809-11 | 
 |  |