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34709S ✓ 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: STEEL COMP 1010 OVERALL, thickness: 0.109 INCHES NOMINAL IN, hole_diameter: 0.562 INCHES NOMINAL IN, overall_diameter: 1.375 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 5310-00-010-6265, 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
34709S
NSN: 5310-00-010-6265
FSC: 5310
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
thickness0.109 INCHES NOMINAL IN
hole_diameter0.562 INCHES NOMINAL IN
overall_diameter1.375 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE
material_document_and_classificationQQ-S-663,COMP FS1010 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-010-6265
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 34709S · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-663,COMP FS1010 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL DIAMETER: 1.375 INCHES NOMINAL IN
•
THICKNESS: 0.109 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1010 OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
NONDEFINITIVE SPEC/STD DATAA TYPE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-663,COMP FS1010 CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER1.375 INCHES NOMINAL IN
THICKNESS0.109 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010 OVERALL
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
A997CPC30AInterchangeable
interchangeable cross-reference
interchangeable
35518PC14Interchangeable
interchangeable cross-reference
interchangeable
D6991REVBPC33Interchangeable
interchangeable cross-reference
interchangeable
TYPE13-2Interchangeable
interchangeable cross-reference
interchangeable
0324-0072Interchangeable
interchangeable cross-reference
interchangeable
W-1-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 34709S?
34709S is a WASHER,FLAT.
What parts can replace 34709S?
There are 19 known substitutes for 34709S: A997CPC30A, 35518PC14, D6991REVBPC33 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 34709S?
34709S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-010-6265. 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