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Technical Data Sheet
PartsTable / COMPONENT / 071779
071779 ✓ 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,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, recess_depth: 0.101 INCHES NOMINAL IN, hole_diameter: 0.188 INCHES NOMINAL IN, overall_height: 0.123 INCHES NOMINAL IN, outside_diameter: 0.637 INCHES NOMINAL IN, style_designator: RECESSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-159-2598, 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
071779
NSN: 5310-00-159-2598
FSC: 5310
CAGE: 80850 — INTERLINE BRANDS, INC. DBA J. A. SEXAUER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
recess_depth0.101 INCHES NOMINAL IN
hole_diameter0.188 INCHES NOMINAL IN
overall_height0.123 INCHES NOMINAL IN
outside_diameter0.637 INCHES NOMINAL IN
style_designatorRECESSED
material_thickness0.022 INCHES NOMINAL IN
NSN5310-00-159-2598
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 071779 · 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
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
OUTSIDE DIAMETER: 0.637 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.022 INCHES NOMINAL IN
•
RECESS DEPTH: 0.101 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORRECESSED
MATERIALSTEEL CORROSION RESISTING OVERALL
OUTSIDE DIAMETER0.637 INCHES NOMINAL IN
MATERIAL THICKNESS0.022 INCHES NOMINAL IN
RECESS DEPTH0.101 INCHES NOMINAL IN
OVERALL HEIGHT0.123 INCHES NOMINAL IN
HOLE DIAMETER0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
7177Interchangeable
interchangeable cross-reference
interchangeable
8431-3Interchangeable
interchangeable cross-reference
interchangeable
717-1Interchangeable
interchangeable cross-reference
interchangeable
717-02Interchangeable
interchangeable cross-reference
interchangeable
VS-740-1-GOVTInterchangeable
interchangeable cross-reference
interchangeable
J-17120-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 071779?
071779 is a WASHER,RECESSED.
What parts can replace 071779?
There are 13 known substitutes for 071779: 7177, 8431-3, 717-1 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 071779?
071779 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-159-2598. 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