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NSN 3020-00-752-2398, 3020007522398
SPROCKET WHEEL

Federal Supply Classification
FSC 3020 - Gears, Pulleys, Sprockets, and Transmission Chain
National Item Identification Number
NIIN 007522398
Codification Country
United States
Item Name Code
INC 04456
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 3020-00-752-2398

National Stock Number (NSN) 3020-00-752-2398, or NIIN 007522398, (sprocket wheel) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 04456. [A TOOTHED WHEEL WHOSE TEETH OR SPROCKETS ARE DESIGNED TO BE ENGAGED WITH THE LINKS OF A PITCH CHAIN, TRACK, OR THE LIKE. IT IS USUALLY USED FOR TRANSMITTING POWER.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3020007522398 contains an unknown precious metal.

This NSN is associated to Schedule B 8483901000: chain sprockets and parts thereof. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.

This information was last updated on .

Technical Characteristics

ROLLER CHAIN PITCH TYPE FOR WHICH DESIGNED
(BYFJ) SINGLE PITCH
BORE BEARING
(BYFS) NOT INCLUDED
HUB EXTERNAL KEYWAY
(BYFW) NOT INCLUDED
LIGHTENING HOLE
(BXSJ) NOT INCLUDED
DISTANCE FROM HUB END TO FLANGE END
(ASYR) 1.063 INCHES NOMINAL BB END
ASA STANDARD CHAIN NUMBER
(BYFP) 40
BOLT CIRCLE DIAMETER
(ABKG) 1.875 INCHES NOMINAL
BORE DIAMETER
(ABXV) 0.630 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
BORE LENGTH
(ADGE) 1.250 INCHES NOMINAL
BORE TYPE
(ASBP) STRAIGHT
COUNTERBORE DEPTH
(AAWZ) 1.031 INCHES NOMINAL AND 0.375 INCHES NOMINAL
COUNTERBORE DIAMETER
(AAWY) 0.812 INCHES NOMINAL AND 1.562 INCHES NOMINAL
COUNTERBORE LOCATION
(BDYS) BB END
DESIGN FORM
(ARJD) PLAIN
FURNISHED ITEMS
(ABFF) COUNTERBORE
FACE WIDTH
(AQPL) 0.234 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
FLANGE THICKNESS
(ABKU) 0.188 INCHES NOMINAL
FLANGE OUTSIDE DIAMETER
(AHTC) 2.250 INCHES NOMINAL
HARDNESS RATING TEST METHOD
(BYFQ) ROCKWELL
HOLE LOCATION
(BFYT) ON SPROCKET FACE
HUB OUTSIDE DIAMETER
(ALNC) 1.875 INCHES NOMINAL AA END
OUTSIDE DIAMETER
(ABHE) 3.296 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 1.469 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-624, FS4140-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-624, FS4150-CANCELED FED SPEC 2ND MATERIAL RESPONSE
MATERIAL
(MATT) STEEL COMP 4140 OR STEEL COMP 4150
METALLIC HARDNESS RATING AND LOCATION
(ASXJ) 26.0 ROCKWELL C MINIMUM BODY AND 32.0 ROCKWELL C MAXIMUM BODY
SECURING HOLE QUANTITY
(AHYF) 3
SECURING LOCATION
(BYFF) BB END
SECURING METHOD
(BSNP) THREADED HOLE
PITCH DIAMETER
(AGJS) 3.038 INCHES NOMINAL
PROTRUDING HUB CHARACTERISTIC
(BYDZ) PLAIN
SPECIAL FEATURES
(FEAT) TWO PROTRUDING KEYS 0.219 IN. LONG ON AA END,0.125 IN W 0.938 IN DIA COUNTERBORE RELIEF 1.031 FROM BB END
THREAD SIZE
(ABUJ) 10-32
TOOTH PITCH
(BYGF) 0.500 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) PLAIN
SURFACE TREATMENT
(SFTT) PHOSPHATE
TEETH HARDNESS RATING
(BYFR) 50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
TEETH QUANTITY PER ROW
(BYFN) 19
TEETH ROW QUANTITY
(BYFL) 1
UNABLE TO DECODE
(AXND) UNABLE TO DECODE
BELT/CHAIN/FILM SIZE FOR WHICH DESIGNED
(BYFH) ROLLER CHAIN
MATERIAL
(MATL) STEEL, QQ-S-624, FS4140-CANCELED OR STEEL, QQ-S-624, FS4150-CANCELED
UNABLE TO DECODE
(MATL) UNABLE TO DECODE OR UNABLE TO DECODE
COUNTERBORE FEATURE
(AXND) INCLUDED
UNABLE TO DECODE
(BYFJ) UNABLE TO DECODE
UNABLE TO DECODE
(BYZD) UNABLE TO DECODE
UNABLE TO DECODE
(BXSJ) UNABLE TO DECODE
SURFACE TREATMENT
(SURF) PHOSPHATE
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
GUIDE
(AQWM) NOT INCLUDED
UNABLE TO DECODE
(BYFW) UNABLE TO DECODE
UNABLE TO DECODE
(BYFH) UNABLE TO DECODE
UNABLE TO DECODE
(BYFS) UNABLE TO DECODE
UNABLE TO DECODE
(BYZF) UNABLE TO DECODE
III STYLE DESIGNATOR
(STYL) PLAIN
UNABLE TO DECODE
(AQWM) UNABLE TO DECODE
HUB END OUTSIDE DIAMETER AND LOCATION
(BYZD) 1.875 INCHES NOMINAL AA END
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION
(BYZF) 1.063 INCHES NOMINAL BB END
KEYING FACILITY
(BSGG) NOT INCLUDED
UNABLE TO DECODE
(BSGG) UNABLE TO DECODE

Manufacturer Part Numbers

7522398

RNCC
3
RNVC
2
3020007522398

007522398

007522398


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