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Technical Data Sheet
7760105 ✓ 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 thickness: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN, hole_diameter: 1.531 INCHES NOMINAL IN, overall_diameter: 2.750 INCHES NOMINAL IN, surface_treatment: PHOSPHATE OVERALL, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-776-0105, 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
7760105
NSN: 5310-00-776-0105
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
thickness0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
hole_diameter1.531 INCHES NOMINAL IN
overall_diameter2.750 INCHES NOMINAL IN
surface_treatmentPHOSPHATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationMRAP BUFFALO MK2A2; MRAP - COUGAR
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-776-0105
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7760105 · 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: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
PERIPHERAL SHAPE STYLE: ROUND
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL: STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1119 OVERALL
SURFACE TREATMENT: PHOSPHATE OVERALL
HOLE DIAMETER: 1.531 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1119 OVERALL
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2; MRAP - COUGAR
SURFACE TREATMENTPHOSPHATE OVERALL
HOLE DIAMETER1.531 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER2.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
768Interchangeable
interchangeable cross-reference
interchangeable
B94.19 TABLE 41Interchangeable
interchangeable cross-reference
interchangeable
C41615Interchangeable
interchangeable cross-reference
interchangeable
41615Interchangeable
interchangeable cross-reference
interchangeable
G-12Interchangeable
interchangeable cross-reference
interchangeable
15422Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7760105?
7760105 is a WASHER,FLAT.
What parts can replace 7760105?
There are 26 known substitutes for 7760105: 768, B94.19 TABLE 41, C41615 and 23 more. Substitute compatibility should be verified for your specific system.
Is 7760105 still available?
7760105 is currently cancelled.
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