PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 38128D
38128D ✓ 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,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.406 INCHES NOMINAL IN, outside_diameter: 2.500 INCHES NOMINAL IN, material_thickness: 0.045 INCHES NOMINAL IN, external_prebent_key_width: 0.293 INCHES MAXIMUM IN, external_prebent_key_length: 0.200 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 5310-00-209-4145, 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
38128D
NSN: 5310-00-209-4145
FSC: 5310
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.406 INCHES NOMINAL IN
outside_diameter2.500 INCHES NOMINAL IN
material_thickness0.045 INCHES NOMINAL IN
external_key_quantity1
external_prebent_key_width0.293 INCHES MAXIMUM IN
external_prebent_key_length0.200 INCHES NOMINAL IN
overall_distance_including_keys2.481 INCHES NOMINAL IN
distance_from_centerline_to_inside_of_prebent_key1.140 INCHES NOMINAL IN
NSN5310-00-209-4145
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 38128D · 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
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 1.140 INCHES NOMINAL IN
•
HOLE DIAMETER: 1.406 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
OVERALL DISTANCE INCLUDING KEYS: 2.481 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 1
•
EXTERNAL PREBENT KEY LENGTH: 0.200 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.045 INCHES NOMINAL IN
•
EXTERNAL PREBENT KEY WIDTH: 0.293 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY1.140 INCHES NOMINAL IN
HOLE DIAMETER1.406 INCHES NOMINAL IN
OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
OVERALL DISTANCE INCLUDING KEYS2.481 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY1
EXTERNAL PREBENT KEY LENGTH0.200 INCHES NOMINAL IN
MATERIAL THICKNESS0.045 INCHES NOMINAL IN
EXTERNAL PREBENT KEY WIDTH0.293 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
A1588-3-875Interchangeable
interchangeable cross-reference
interchangeable
A1588Interchangeable
interchangeable cross-reference
interchangeable
91904Interchangeable
interchangeable cross-reference
interchangeable
71351Interchangeable
interchangeable cross-reference
interchangeable
1666551Interchangeable
interchangeable cross-reference
interchangeable
JZ43BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 38128D?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 38128D?
38128D is a WASHER,KEY.
What parts can replace 38128D?
There are 14 known substitutes for 38128D: A1588-3-875, A1588, 91904 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 38128D?
38128D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-4145. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 38128D

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026