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PartsTable / COMPONENT / 993H0022 PIECE 26
993H0022 PIECE 26 ✓ 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 NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, material_document_and_classification: ASTM A276 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 5310-01-191-0424, 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
993H0022 PIECE 26
NSN: 5310-01-191-0424
FSC: 5310
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
material_document_and_classificationASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-191-0424
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 993H0022 PIECE 26 · 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: STEEL COMP 410 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 410 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
AN36Interchangeable
interchangeable cross-reference
interchangeable
MILN21337Interchangeable
interchangeable cross-reference
interchangeable
278-16Interchangeable
interchangeable cross-reference
interchangeable
5306PL0809449Interchangeable
interchangeable cross-reference
interchangeable
E-15084Interchangeable
Same NIIN cross-reference
interchangeable
150046000-26AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 993H0022 PIECE 26?
993H0022 PIECE 26 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 993H0022 PIECE 26?
There are 6 known substitutes for 993H0022 PIECE 26: AN36, MILN21337, 278-16 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 993H0022 PIECE 26?
993H0022 PIECE 26 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-191-0424. 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