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PartsTable / COMPONENT / CA7581-72
CA7581-72 ✓ 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: NICKEL ALLOY 400 OVERALL, overall_width: 0.312 INCHES NOMINAL IN, overall_height: 0.312 INCHES NOMINAL IN, overall_length: 1.500 INCHES NOMINAL IN, style_designator: PLAIN, starting_edge_shape: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-235-1033, 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
CA7581-72
NSN: 5315-00-235-1033
FSC: 5315
CAGE: 83130 — AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
overall_width0.312 INCHES NOMINAL IN
overall_height0.312 INCHES NOMINAL IN
overall_length1.500 INCHES NOMINAL IN
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
material_document_and_classificationMIL-N-894 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-235-1033
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CA7581-72 · 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: MIL-N-894 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STARTING EDGE SHAPE: STRAIGHT
•
MATERIAL: NICKEL ALLOY 400 OVERALL
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.312 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-894 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STARTING EDGE SHAPESTRAIGHT
MATERIALNICKEL ALLOY 400 OVERALL
STYLE DESIGNATORPLAIN
OVERALL HEIGHT0.312 INCHES NOMINAL IN
OVERALL LENGTH1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
950013-2Interchangeable
interchangeable cross-reference
interchangeable
MH2049-5Interchangeable
interchangeable cross-reference
interchangeable
SKHX656AInterchangeable
interchangeable cross-reference
interchangeable
63621-17-2151Interchangeable
Same NIIN cross-reference
interchangeable
VS40-012 NO. 27Interchangeable
Same NIIN cross-reference
interchangeable
V300-008 NO. 27Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CA7581-72?
CA7581-72 is a KEY,MACHINE.
What parts can replace CA7581-72?
There are 6 known substitutes for CA7581-72: 950013-2, MH2049-5, SKHX656A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CA7581-72?
CA7581-72 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-235-1033. 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