Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW
The 371+86SZN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-057-2685, 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.
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD NO. 66 AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL HARDNESS RATING: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
MAJOR THICKNESS: 0.042 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASEHARDENING INDICATOR
NOT CASEHARDENED
OUTSIDE DIAMETER
0.961 INCHES NOMINAL IN
END PLAY TAKEUP
0.020 INCHES MAXIMUM IN
MATERIAL
STEEL
SURFACE TREATMENT
CADMIUM AND CHROMATE
MATERIAL DOCUMENT AND CLASSIFICATION
FED STD NO. 66 AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATING
66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
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FREQUENTLY ASKED QUESTIONS
What is 371+86SZN?
371+86SZN is a 371+86SZN.
What parts can replace 371+86SZN?
There are 24 known substitutes for 371+86SZN: H5582, 48-15021, EW7197 and 21 more. Substitute compatibility should be verified for your specific system.
Is 371+86SZN still available?
371+86SZN is currently cancelled.
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