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57387 ✓ 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 TELETYPEWRITER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, thickness: 0.062 INCHES NOMINAL IN, body_style: SURFACE MOUNT, body_width: 1.438 INCHES NOMINAL IN, body_height: 2.031 INCHES NOMINAL IN, body_length: 2.750 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 5310-00-033-5276, 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
57387
NSN: 5310-00-033-5276
FSC: 5310
CAGE: 55284 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL DIV AEROSPACE-SOUTH BEND (WESTMOOR ST) (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
thickness0.062 INCHES NOMINAL IN
body_styleSURFACE MOUNT
body_width1.438 INCHES NOMINAL IN
body_height2.031 INCHES NOMINAL IN
body_length2.750 INCHES NOMINAL IN
thread_class2B
hole_diameter0.406 INCHES NOMINAL IN
overall_width1.438 INCHES NOMINAL IN
actuator_styleRECTANGULAR
heat_treatmentAS FABRICATED
inclosure_typeFULLY INCLOSED
NSN5310-00-033-5276
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 57387 · 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
•
HEAT TREATMENT: AS FABRICATED
•
MATERIAL: STEEL COMP 1010 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.687 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
HEAT TREATMENTAS FABRICATED
MATERIALSTEEL COMP 1010 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THICKNESS0.062 INCHES NOMINAL IN
OVERALL DIAMETER0.687 INCHES NOMINAL IN
HOLE DIAMETER0.406 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
6808UInterchangeable
interchangeable cross-reference
interchangeable
502-0095Interchangeable
interchangeable cross-reference
interchangeable
39146UInterchangeable
interchangeable cross-reference
interchangeable
57387Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57387?
57387 is a TELETYPEWRITER SUBASSEMBLY.
What parts can replace 57387?
There are 4 known substitutes for 57387: 6808U, 502-0095, 39146U and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 57387?
57387 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-033-5276. 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