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4908717-4 ✓ 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: PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.885 INCHES NOMINAL IN, overall_diameter: 1.180 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-792-4674, 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
4908717-4
NSN: 5310-00-792-4674
FSC: 5310
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.885 INCHES NOMINAL IN
overall_diameter1.180 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-M-20693,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-792-4674
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4908717-4 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.180 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.885 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-20693,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.062 INCHES NOMINAL IN
OVERALL DIAMETER1.180 INCHES NOMINAL IN
HOLE DIAMETER0.885 INCHES NOMINAL IN
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
PC-328Interchangeable
interchangeable cross-reference
interchangeable
8528Interchangeable
interchangeable cross-reference
interchangeable
AR4283Interchangeable
interchangeable cross-reference
interchangeable
50528Interchangeable
interchangeable cross-reference
interchangeable
SCB69392Interchangeable
interchangeable cross-reference
interchangeable
299131Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4908717-4?
4908717-4 is a WASHER,FLAT.
What parts can replace 4908717-4?
There are 14 known substitutes for 4908717-4: PC-328, 8528, AR4283 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4908717-4?
4908717-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-792-4674. 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