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National Stock Number:
4820-00-725-3554
Federal Supply Class:
4820
National Item Identification Number:
007253554
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.
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Manufacturer Information:
| 820-2179130-53 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 820-2179155-1 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | AV61-672PC26 | 04845 | AUTOMATIC SWITCH COMPANY | | FV65-187-1 | 04845 | AUTOMATIC SWITCH COMPANY | | 820-2179155PC1 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
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