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Technical Data Sheet
PartsTable / COMPONENT / 1-33/64ID X 2-1 /2OD X 1/8THK
1-33/64ID X 2-1 /2OD X 1/8THK ✓ 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 1-33/64ID X 2-1 /2OD X 1/8THK is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-473-3688, 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
1-33/64ID X 2-1 /2OD X 1/8THK
NSN: 5310-01-473-3688
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part Number1-33/64ID X 2-1 /2OD X 1/8THK
NSN5310-01-473-3688
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1-33/64ID X 2-1 /2OD X 1/8THK · 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: 2.500 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
SURFACE FINISH: 125.0 MICROINCHES ALL SURFACES
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.516 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER2.500 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.516 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONNAVY EQUIP
THICKNESS0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
124-4367407 PC 19Interchangeable
interchangeable cross-reference
interchangeable
124-4322649 PC 43Interchangeable
interchangeable cross-reference
interchangeable
4322648Interchangeable
interchangeable cross-reference
interchangeable
124-4322649 PC 54Interchangeable
interchangeable cross-reference
interchangeable
4322648-10Interchangeable
interchangeable cross-reference
interchangeable
124-4322648 PC 45Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-33/64ID X 2-1 /2OD X 1/8THK?
1-33/64ID X 2-1 /2OD X 1/8THK is a 1-33/64ID X 2-1 /2OD X 1/8THK.
What parts can replace 1-33/64ID X 2-1 /2OD X 1/8THK?
There are 32 known substitutes for 1-33/64ID X 2-1 /2OD X 1/8THK: 124-4367407 PC 19, 124-4322649 PC 43, 4322648 and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-33/64ID X 2-1 /2OD X 1/8THK?
1-33/64ID X 2-1 /2OD X 1/8THK is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-473-3688. 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