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PartsTable / COMPONENT / CA6494PC47
CA6494PC47 ✓ 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 WASHER,KEY is a the manufacturer industrial component. Key specifications include hole_diameter: 1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM IN, hardness_rating: 50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM, outside_diameter: 2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN, external_key_quantity: 17. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-186-0968, 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
CA6494PC47
NSN: 5310-00-186-0968
FSC: 5310
CAGE: 83130 — AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS (USA)
SPECIFICATIONS
hole_diameter1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM IN
hardness_rating50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
outside_diameter2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
external_key_quantity17
external_prebent_key_width0.200 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
internal_prebent_key_width0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
internal_prebent_key_length0.125 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
overall_distance_including_keys2.734 INCHES MAXIMUM IN
material_document_and_classificationFED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-186-0968
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CA6494PC47 · 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 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OVERALL
•
INTERNAL PREBENT KEY LENGTH: 0.125 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
INTERNAL PREBENT KEY WIDTH: 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
•
HOLE DIAMETER: 1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM IN
•
OVERALL DISTANCE INCLUDING KEYS: 2.734 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 17
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OVERALL
INTERNAL PREBENT KEY LENGTH0.125 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
INTERNAL PREBENT KEY WIDTH0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
HOLE DIAMETER1.792 INCHES MINIMUM AND 1.817 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS2.734 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.281 INCHES MINIMUM AND 2.311 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY17
STYLE DESIGNATORKEY
EXTERNAL PREBENT KEY WIDTH0.200 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
W09Interchangeable
interchangeable cross-reference
interchangeable
411267Interchangeable
interchangeable cross-reference
interchangeable
S37X12Interchangeable
interchangeable cross-reference
interchangeable
P115Interchangeable
interchangeable cross-reference
interchangeable
10182Interchangeable
interchangeable cross-reference
interchangeable
6182Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CA6494PC47?
CA6494PC47 is a WASHER,KEY.
What parts can replace CA6494PC47?
There are 24 known substitutes for CA6494PC47: W09, 411267, S37X12 and 21 more. Substitute compatibility should be verified for your specific system.
Is CA6494PC47 still available?
CA6494PC47 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026