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PartsTable / COMPONENT / 12AF9B1084CPC35
12AF9B1084CPC35 ✓ 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 OVERALL, overall_width: 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN, overall_height: 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN, overall_length: 1.375 INCHES NOMINAL IN, style_designator: PLAIN, key_chamfer_angle: 45.0 DEGREES NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-188-4844, 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
12AF9B1084CPC35
NSN: 5315-00-188-4844
FSC: 5315
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
overall_height0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
overall_length1.375 INCHES NOMINAL IN
style_designatorPLAIN
key_chamfer_angle45.0 DEGREES NOMINAL
key_chamfer_length0.016 INCHES NOMINAL IN
starting_edge_shapeCHAMFERED
material_document_and_classificationMIL-S-890,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-188-4844
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12AF9B1084CPC35 · 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
•
KEY CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
STARTING EDGE SHAPE: CHAMFERED
•
KEY CHAMFER LENGTH: 0.016 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-890,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
KEY CHAMFER ANGLE45.0 DEGREES NOMINAL
OVERALL HEIGHT0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
OVERALL LENGTH1.375 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
STARTING EDGE SHAPECHAMFERED
KEY CHAMFER LENGTH0.016 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
3417-2222-6044Interchangeable
interchangeable cross-reference
interchangeable
625-20Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS22759/12Interchangeable
interchangeable cross-reference
interchangeable
M16878/25BFE4Interchangeable
interchangeable cross-reference
interchangeable
M22759/12-22-4Interchangeable
interchangeable cross-reference
interchangeable
81334600Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12AF9B1084CPC35?
12AF9B1084CPC35 is a KEY,MACHINE.
What parts can replace 12AF9B1084CPC35?
There are 11 known substitutes for 12AF9B1084CPC35: 3417-2222-6044, 625-20, SAE-AS22759/12 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12AF9B1084CPC35?
12AF9B1084CPC35 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-188-4844. 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