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30738 ✓ Verified by PartsTable
Lindy · 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

- 68 Way Very High Density Male to 50 Way Centronics Male<br>- Ultra2 LVD complaint<br>- Fully moulded. Key specifications include material: COPPER OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.640 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL SUPERFICIAL 15-T MINIMUM OR 50.0 ROCKWELL SUPERFICIAL 15-T MAXIMUM, overall_diameter: 0.875 INCHES NOMINAL IN, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-141-1583, 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
30738
NSN: 5310-00-141-1583
FSC: 5310
CAGE: 64829 — ARVINMERITOR INC (USA)
SPECIFICATIONS
materialCOPPER OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.640 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL SUPERFICIAL 15-T MINIMUM OR 50.0 ROCKWELL SUPERFICIAL 15-T MAXIMUM
overall_diameter0.875 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-141-1583
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 30738 · Lindy ⚠ 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
•
MATERIAL: COPPER OVERALL
•
HOLE DIAMETER: 0.640 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.875 INCHES NOMINAL IN
•
HARDNESS RATING: 40.0 ROCKWELL SUPERFICIAL 15-T MINIMUM OR 50.0 ROCKWELL SUPERFICIAL 15-T MAXIMUM
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER OVERALL
HOLE DIAMETER0.640 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
OVERALL DIAMETER0.875 INCHES NOMINAL IN
HARDNESS RATING40.0 ROCKWELL SUPERFICIAL 15-T MINIMUM OR 50.0 ROCKWELL SUPERFICIAL 15-T MAXIMUM
THICKNESS0.062 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
30738Interchangeable
interchangeable cross-reference
interchangeable
30111Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30738?
30738 is a SEMICONDUCTOR DEVICE,DIODE manufactured by Lindy.
What parts can replace 30738?
There are 2 known substitutes for 30738: 30738, 30111. Substitute compatibility should be verified for your specific system.
Is 30738 still available?
30738 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026