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Technical Data Sheet
PartsTable / COMPONENT / 307P
307P ✓ 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

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include material: STEEL COMP E52100 OUTER RING, thickness: 0.377 INCHES NOMINAL IN, body_width: 1.688 INCHES NOMINAL IN, bore_shape: STRAIGHT, body_height: 1.188 INCHES NOMINAL IN, body_length: 4.468 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-063-2608, 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
307P
NSN: 5310-00-063-2608
FSC: 5310
CAGE: 23515 — FREDERICK CUSTOM MACHINING INC (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RING
thickness0.377 INCHES NOMINAL IN
body_width1.688 INCHES NOMINAL IN
bore_shapeSTRAIGHT
body_height1.188 INCHES NOMINAL IN
body_length4.468 INCHES NOMINAL IN
bore_diameter35.0 MILLIMETERS NOMINAL MM
hole_diameter0.900 INCHES NOMINAL IN
overall_width21.0 MILLIMETERS NOMINAL MM
seal_quantity1
inclosure_typeFULLY INCLOSED
load_directionRADIAL
NSN5310-00-063-2608
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 307P · 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
•
SURFACE FINISH: 8.0 MICROINCHES BOTTOM
•
MATERIAL: COPPER ALLOY OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
OUTSIDE LEFT CORNER CHAMFER ANGLE: 60.0 DEGREES NOMINAL
•
OVERALL DIAMETER: 2.249 INCHES NOMINAL IN
•
THICKNESS: 0.377 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISH8.0 MICROINCHES BOTTOM
SURFACE FINISH32.0 MICROINCHES INNER
MATERIALCOPPER ALLOY OVERALL
SURFACE FINISH32.0 MICROINCHES OUTER
PERIPHERAL SHAPE STYLEROUND
OUTSIDE LEFT CORNER CHAMFER ANGLE60.0 DEGREES NOMINAL
OVERALL DIAMETER2.249 INCHES NOMINAL IN
THICKNESS0.377 INCHES NOMINAL IN
SURFACE FINISH32.0 MICROINCHES TOP
HOLE DIAMETER0.900 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
7310DTBRZRETInterchangeable
interchangeable cross-reference
interchangeable
V30310DTL1Interchangeable
interchangeable cross-reference
interchangeable
307PInterchangeable
interchangeable cross-reference
interchangeable
8PInterchangeable
interchangeable cross-reference
interchangeable
P131Interchangeable
interchangeable cross-reference
interchangeable
732A501AJP9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 307P?
307P is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace 307P?
There are 8 known substitutes for 307P: 7310DTBRZRET, V30310DTL1, 307P and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 307P?
307P is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-063-2608. 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