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PartsTable / COMPONENT / 999R0142 PIECE 87
999R0142 PIECE 87 ✓ 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 KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OVERALL, overall_width: 0.188 INCHES NOMINAL IN, overall_height: 0.188 INCHES NOMINAL IN, overall_length: 1.312 INCHES NOMINAL IN, material_document_and_classification: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-235-7508, 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
999R0142 PIECE 87
NSN: 5315-01-235-7508
FSC: 5315
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OVERALL
overall_width0.188 INCHES NOMINAL IN
overall_height0.188 INCHES NOMINAL IN
overall_length1.312 INCHES NOMINAL IN
material_document_and_classificationASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-235-7508
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 999R0142 PIECE 87 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1018 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1018 OVERALL
OVERALL WIDTH0.188 INCHES NOMINAL IN
OVERALL HEIGHT0.188 INCHES NOMINAL IN
OVERALL LENGTH1.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
U4-1Interchangeable
interchangeable cross-reference
interchangeable
110580Interchangeable
interchangeable cross-reference
interchangeable
7000053259Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 999R0142 PIECE 87?
999R0142 PIECE 87 is a KEY,MACHINE.
What parts can replace 999R0142 PIECE 87?
There are 3 known substitutes for 999R0142 PIECE 87: U4-1, 110580, 7000053259. Substitute compatibility should be verified for your specific system.
What is the NSN for 999R0142 PIECE 87?
999R0142 PIECE 87 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-235-7508. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026