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27D104 ✓ 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 material: COPPER OVERALL, thickness: 0.077 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN, hole_diameter: 0.715 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN, overall_diameter: 0.950 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-516-5108, 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
27D104
NSN: 5310-00-516-5108
FSC: 5310
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialCOPPER OVERALL
thickness0.077 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
hole_diameter0.715 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN
overall_diameter0.950 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-516-5108
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 27D104 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: COPPER OVERALL
•
THICKNESS: 0.077 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.950 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.715 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALCOPPER OVERALL
THICKNESS0.077 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
OVERALL DIAMETER0.950 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.715 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1340Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYCSZ55Interchangeable
interchangeable cross-reference
interchangeable
208Interchangeable
interchangeable cross-reference
interchangeable
200-155Interchangeable
interchangeable cross-reference
interchangeable
67-006Interchangeable
interchangeable cross-reference
interchangeable
145868Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27D104?
27D104 is a WASHER,FLAT.
What parts can replace 27D104?
There are 11 known substitutes for 27D104: 1340, GGG-D-751 TYCSZ55, 208 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27D104?
27D104 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-516-5108. 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