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PartsTable / COMPONENT / 42D16-048
42D16-048 ✓ 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 NUT,SELF-LOCKING,SPLINE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: SPLINE, nut_height: 0.438 INCHES NOMINAL IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, nut_diameter: 0.563 INCHES NOMINAL IN, pilot_length: 0.250 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 5310-00-699-7006, 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
42D16-048
NSN: 5310-00-699-7006
FSC: 5310
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_styleSPLINE
nut_height0.438 INCHES NOMINAL IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
nut_diameter0.563 INCHES NOMINAL IN
pilot_length0.250 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
pilot_diameter0.384 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC NUT
NSN5310-00-699-7006
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 42D16-048 · 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
•
NUT STYLE: SPLINE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON LOCKING INSERT
•
SURFACE TREATMENT: CADMIUM OR ZINC NUT
•
PILOT DIAMETER: 0.384 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
•
PILOT LENGTH: 0.250 INCHES NOMINAL IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLESPLINE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT
NOMINAL THREAD SIZE0.250 INCHES IN
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
SURFACE TREATMENTCADMIUM OR ZINC NUT
PILOT DIAMETER0.384 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
PILOT LENGTH0.250 INCHES NOMINAL IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT DIAMETER0.563 INCHES NOMINAL IN
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
B-3-SInterchangeable
interchangeable cross-reference
interchangeable
CL-5-20SBP-1Interchangeable
interchangeable cross-reference
interchangeable
499191-4Interchangeable
interchangeable cross-reference
interchangeable
B107.410 CAT 48 TY1CL2Interchangeable
interchangeable cross-reference
interchangeable
J86A7/16Interchangeable
interchangeable cross-reference
interchangeable
MAY 10205Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42D16-048?
42D16-048 is a NUT,SELF-LOCKING,SPLINE.
What parts can replace 42D16-048?
There are 20 known substitutes for 42D16-048: B-3-S, CL-5-20SBP-1, 499191-4 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42D16-048?
42D16-048 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-699-7006. 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