| Item Name | Sprocket Wheel |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-732-1239 (007321239) |
| NCB Code | USA (00) |
| Manufacturer | Emerson Power Transmission |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABFF | FURNISHED ITEMS | KEYING FACILITY |
| ABHP | OVERALL LENGTH | 1.125 INCHES NOMINAL |
| ABUJ | THREAD SIZE | 1/4 IN.-20 |
| ADGE | BORE LENGTH | 1.125 INCHES NOMINAL |
| AEVF | DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.625 INCHES NOMINAL |
| AHYF | SECURING HOLE QUANTITY | 1 |
| AQPL | FACE WIDTH | 0.259 INCHES NOMINAL |
| ASBP | BORE TYPE | STRAIGHT |
| ASXJ | METALLIC HARDNESS RATING AND LOCATION | 45.0 ROCKWELL C NOMINAL BODY AND 50.0 ROCKWELL C MAXIMUM BODY |
| BYFL | TEETH ROW QUANTITY | 1 |
| BYFP | ASA STANDARD CHAIN NUMBER | 40 |
| BYFR | TEETH HARDNESS RATING | 45.000 ROCKWELL C MINIMUM AND 50.000 ROCKWELL C MAXIMUM |
| BYGF | TOOTH PITCH | 0.500 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI C1141 ASSN STD 1ST MATERIAL RESPONSE AND AISI 1141 ASSN STD 2ND MATERIAL RESPONSE |
| NMBR | QUANTITY | 1 |
| ABHE | OUTSIDE DIAMETER | 2.688 INCHES NOMINAL |
| ABRR | KEYWAY WIDTH | 0.251 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 1.000 INCHES NOMINAL |
| AGJS | PITCH DIAMETER | 2.563 INCHES NOMINAL |
| ALNC | HUB OUTSIDE DIAMETER | 1.969 INCHES NOMINAL AA END |
| ARJD | DESIGN FORM | PLAIN |
| ASYR | DISTANCE FROM HUB END TO FLANGE END | 0.860 INCHES NOMINAL AA END |
| BFYT | HOLE LOCATION | LOCATED IN HUBS TOP OF KEYWAY,0.500 IN FROM END OF HUB TO CENTERLINE OF HOLE |
| BSGK | KEYING FACILITY TYPE | KEYWAY |
| BSNP | SECURING METHOD | THREADED HOLE |
| BYFN | TEETH QUANTITY PER ROW | 16 |
| BYFQ | HARDNESS RATING TEST METHOD | ROCKWELL |
| MATT | MATERIAL | STEEL COMP 1141 |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 3020-00-732-1239, 3020007321239 | ||||
| 3040-00-037-4479 (3040000374479) | 3010-01-283-8383 (3010012838383) | 3040-01-167-7076 (3040011677076) | 3040-01-607-0785 (3040016070785) | |
| 3020-00-173-7380 (3020001737380) | 3040-01-271-7503 (3040012717503) | 3040-00-690-2219 (3040006902219) | 3040-01-031-7475 (3040010317475) | |
| 3020-01-289-1372 (3020012891372) | 3040-01-171-1542 (3040011711542) | 3030-01-367-5013 (3030013675013) | 3020-01-281-7479 (3020012817479) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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