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3017112 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, minor_width: 0.281 INCHES NOMINAL IN, construction: SOLID, minor_height: 0.701 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 26.812 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-488-9272, 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
3017112
NSN: 5310-00-488-9272
FSC: 5310
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
minor_width0.281 INCHES NOMINAL IN
constructionSOLID
minor_height0.701 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter26.812 INCHES NOMINAL IN
fabrication_methodSOLID
cross-sectional_width0.869 INCHES MINIMUM AND 0.881 INCHES MAXIMUM IN
cross-sectional_height0.771 INCHES MINIMUM AND 0.791 INCHES MAXIMUM IN
cross-sectional_thickness0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
cross-sectional_shape_styleSPECIAL
material_document_and_classificationMIL-R-15624,CL 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-488-9272
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3017112 · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
HARDNESS RATING: 58.0 ROCKWELL C MINIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6440 MFR REF 1ST MATERIAL RESPONSE OR AMS 6441 MFR REF 2ND MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 1.180 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN
•
THICKNESS: 0.149 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
HARDNESS RATING58.0 ROCKWELL C MINIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6440 MFR REF 1ST MATERIAL RESPONSE OR AMS 6441 MFR REF 2ND MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.180 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN
THICKNESS0.149 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
SPECIAL FEATURES0.030 IN. MIN,0.040 IN. MAX BY 40 DEG MIN,50 DEG MAX CHAMFERD LEFT AND RIGHT SIDE OF BEARING SURFACES IN
MATERIALSTEEL COMP E52100 OVERALL
OVERALL DIAMETER1.8740 INCHES MINIMUM AND 1.8745 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
3017112Interchangeable
interchangeable cross-reference
interchangeable
8612484Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3017112?
3017112 is a WASHER,FLAT.
What parts can replace 3017112?
There are 2 known substitutes for 3017112: 3017112, 8612484. Substitute compatibility should be verified for your specific system.
What is the NSN for 3017112?
3017112 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-488-9272. 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