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Technical Data Sheet
PartsTable / COMPONENT / 5177773
5177773 ✓ 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: COPPER OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.735 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN, overall_diameter: 0.985 INCHES MINIMUM AND 0.995 INCHES MAXIMUM 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 5310-00-231-3293, 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
5177773
NSN: 5310-00-231-3293
FSC: 5310
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
materialCOPPER OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.735 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
overall_diameter0.985 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-231-3293
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5177773 · 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
•
THICKNESS: 0.031 INCHES NOMINAL IN
•
MATERIAL: COPPER OVERALL
•
HOLE DIAMETER: 0.719 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 1.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.031 INCHES NOMINAL IN
MATERIALCOPPER OVERALL
HOLE DIAMETER0.719 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
19127Interchangeable
interchangeable cross-reference
interchangeable
5177773Interchangeable
interchangeable cross-reference
interchangeable
H60598Interchangeable
interchangeable cross-reference
interchangeable
K-5177773Interchangeable
Same NIIN cross-reference
interchangeable
5310002313293Interchangeable
Same NIIN cross-reference
interchangeable
PC5177773Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5177773?
5177773 is a WASHER,FLAT.
What parts can replace 5177773?
There are 6 known substitutes for 5177773: 19127, 5177773, H60598 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5177773?
5177773 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-231-3293. 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