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Technical Data Sheet
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8328177 — Technical Data Sheet

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— · 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 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL, thickness: 0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN, hole_diameter: 1.484 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN, hardness_rating: 75.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 79.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM, overall_diameter: 2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN, center_hole_width: 1.383 INCHES MINIMUM AND 1.388 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5310-00-596-9479, 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
8328177
NSN: 5310-00-596-9479
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
thickness0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
hole_diameter1.484 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN
hardness_rating75.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 79.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
overall_diameter2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
center_hole_width1.383 INCHES MINIMUM AND 1.388 INCHES MAXIMUM IN
features_providedCASEHARDENED
peripheral_shape_styleROUND
center_hole_shape_styleDEE
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-698 HR PO OR CR FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5310-00-596-9479
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8328177 · 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 WIDTH: 1.383 INCHES MINIMUM AND 1.388 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
•
OVERALL DIAMETER: 2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
•
HOLE DIAMETER: 1.484 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: DEE
•
FEATURES PROVIDED: CASEHARDENED
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
CENTER HOLE WIDTH1.383 INCHES MINIMUM AND 1.388 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
OVERALL DIAMETER2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM IN
HOLE DIAMETER1.484 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEDEE
FEATURES PROVIDEDCASEHARDENED
PERIPHERAL SHAPE STYLEROUND
HARDNESS RATING75.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 79.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
THICKNESS0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
SR-723 4-22InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C14692N1PC9InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A11398InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FS1891-052InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
0104604-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7603478InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8328177?
8328177 is a WASHER,FLAT.
What parts can replace 8328177?
There are 6 known substitutes for 8328177: SR-723 4-22, C14692N1PC9, A11398 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8328177?
8328177 is cataloged in the Federal Logistics Information System under NSN 5310-00-596-9479. 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: September 2026