PartsTable
Technical Data Sheet
158.77 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The 158.77 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-353-0337, 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
158.77
NSN: 5310-01-353-0337
FSC: 5310
CAGE: 71762 — CULLIGAN INTL CO SUB OF BEATRICE COMPANIES INC (USA)
SPECIFICATIONS
Part Number158.77
NSN5310-01-353-0337
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 158.77 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
SPECIFICATION/STANDARD DATA: 71762-158.77 MANUFACTURERS STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA71762-158.77 MANUFACTURERS STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
15877Interchangeable
interchangeable cross-reference
interchangeable
15877-01Interchangeable
interchangeable cross-reference
interchangeable
10381262Interchangeable
interchangeable cross-reference
interchangeable
8699970001Interchangeable
interchangeable cross-reference
interchangeable
02-5-14-1285ITEM2-29Interchangeable
interchangeable cross-reference
interchangeable
3019/8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 158.77?
158.77 is a 158.77.
What parts can replace 158.77?
There are 13 known substitutes for 158.77: 15877, 15877-01, 10381262 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 158.77?
158.77 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-353-0337. This indicates validated use in U.S. government and defense supply chains.
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