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FC3710C — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

FC3710C: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, thickness: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, hole_diameter: 0.584 INCHES MINIMUM AND 0.604 INCHES MAXIMUM IN, hardness_rating: 80.0 ROCKWELL B NOMINAL, overall_diameter: 1.244 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN, surface_treatment: COPPER OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-276-2870, 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
FC3710C
NSN: 5310-00-276-2870
FSC: 5310 — Nuts and Washers
CAGE: 63477 — FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
thickness0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
hole_diameter0.584 INCHES MINIMUM AND 0.604 INCHES MAXIMUM IN
hardness_rating80.0 ROCKWELL B NOMINAL
overall_diameter1.244 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN
surface_treatmentCOPPER OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-276-2870
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FC3710C · 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
•
OVERALL DIAMETER: 1.244 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 ROCKWELL B NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: COPPER OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1010 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.244 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN
HARDNESS RATING80.0 ROCKWELL B NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCOPPER OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1010 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.584 INCHES MINIMUM AND 0.604 INCHES MAXIMUM IN
THICKNESS0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 3
234872Reference document
Same NSN cross-reference
Reference document — Secondary reference
FC3710Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
F3710CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FC3710C?
FC3710C is a WASHER,FLAT.
What parts can replace FC3710C?
There are 3 known substitutes for FC3710C: 234872, FC3710, F3710C. Substitute compatibility should be verified for your specific system.
What is the NSN for FC3710C?
FC3710C is cataloged in the U.S. Government catalog under NSN 5310-00-276-2870. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.