National Stock Number (NSN) Output Data
NSN:
NIIN:
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 |
|---|---|---|---|---|---|---|---|---|
| 77112B | 1ML14 | A | 5 | 2 | 5 | CT | ||
| 77112A | 1ML14 | A | 3 | 2 | 5 | ZZ | ||
| 77112A | 28265 | F | 5 | 9 | 5 | ZZ | ||
| 77112B | 28265 | F | 5 | 9 | 5 | CT |
CAGE Information
| Code | Company |
|---|---|
| 1ML14 | D.W. HERCULES LLC DBA HERCULES ENGIN |
| 28265 | HERCULES ENGINE CO INC |
Federal Supply Class
Title
GASOLINE RECIPROCATING ENGINES,
Inclusions:
INCLUDES GAS RECIPROCATING ENGINES; ALL GASOLINE RECIPROCATING ENGINES EXCEPT AIRCRAFT PRIME MOVING.
Exclusions:
EXCLUDES ENGINE ACCESSORIES (FSC 2990).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ACXJ | OVERALL WIDTH | 0.1225 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM |
| ACXJ | OVERALL WIDTH | 0.1225 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM |
| ACXD | RING STYLE | CONCENTRIC |
| ADTE | JOINT STYLE | VERTICAL JOINT |
| SFTT | SURFACE TREATMENT | CHROMIUM OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN KEYSTONE, STRAIGHT RADII FACE |
| ACXF | RADIAL WALL THICKNESS | 0.1530 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 3.750 INCHES |
| MATT | MATERIAL | IRON OVERALL |
Similar Parts
77112A ,
77112A ,
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002772943
,
77112B ,
77112A ,
77112A ,
77112B ,