NIIN Output Data
NIIN:
NSN:
Item Name:
RING , PISTON
Definition:
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| ST7M342C8P | 76301 | A | 5 | 2 | 1 | KE | ||
| J8-990P | 99121 | A | 3 | 2 | 5 | KE | ||
| ST7M342C8P | 84596 | A | 5 | 2 | 6 | ZZ | ||
| FR84C8 | 84596 | A | 5 | 9 | 6 | ZZ |
CAGE Information
| Code | Company |
|---|---|
| 76301 | BOEING COMPANY THE DBA BOEING |
| 99121 | PRECISION RINGS INCORPORATED |
| 84596 | AVIATION MANUFACTURING GROUP LLC DBA |
Federal Supply Class
Title
MISCELLANEOUS POWER TRANSMISSION
Inclusions:
INCLUDES SHAFTS AND SHAFTING; COLLARS; GEARSHAFTS; BALL JOINTS; ACTUATING CYLINDERS.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ACXD | RING STYLE | CONCENTRIC |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5617 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ADTE | JOINT STYLE | VERTICAL JOINT |
| ACXJ | OVERALL WIDTH | 0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 0.580 INCHES |
| ACXF | RADIAL WALL THICKNESS | 0.0450 INCHES NOMINAL |
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