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Technical Data Sheet
972-157ALT2 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 2.3740 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM IN, pressure_angle: 14.5000 DEGREES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-294-4847, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
972-157ALT2
NSN: 3020-00-294-4847
FSC: 3020
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter2.3740 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM IN
pressure_angle14.5000 DEGREES
teeth_quantity114
hardness_rating60.0 ROCKWELL B MINIMUM AND 90.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPROTRUDING HUB
attachment_methodMOUNTING HOLE
face_nominal_width0.156 INCHES IN
hub_nominal_diameter0.562 INCHES FIRST END IN
NSN3020-00-294-4847
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 972-157ALT2 MFR GEAR,SPUR
KEY FEATURES
TEETH QUANTITY: 114
ATTACHMENT METHOD: MOUNTING HOLE
BODY STYLE: PLAIN, SOLID
PITCH DIAMETER: 2.3740 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-895 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH: 0.469 INCHES IN
HUB STYLE DESIGNATOR: PINNED FIRST END
MOUNTING HOLE NOMINAL DIAMETER: 0.062 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
TEETH QUANTITY114
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
PITCH DIAMETER2.3740 INCHES MINIMUM AND 2.3750 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-895 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH0.469 INCHES IN
HUB STYLE DESIGNATORPINNED FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.062 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
STYLE DESIGNATORPROTRUDING HUB
HUB NOMINAL DIAMETER0.562 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
543425Interchangeable
interchangeable cross-reference
interchangeable
R1764Interchangeable
interchangeable cross-reference
interchangeable
313WInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 972-157ALT2?
972-157ALT2 is a GEAR,SPUR.
What parts can replace 972-157ALT2?
There are 3 known substitutes for 972-157ALT2: 543425, R1764, 313W. Substitute compatibility should be verified for your specific system.
What is the NSN for 972-157ALT2?
972-157ALT2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-294-4847. This indicates validated use in U.S. government and defense supply chains.
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