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PartsTable / COMPONENT / 38254D
38254D ✓ 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,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 OVERALL, nut_style: HEXAGON, nut_height: 0.250 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-266-4140, 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
38254D
NSN: 5310-00-266-4140
FSC: 5310
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
nut_styleHEXAGON
nut_height0.250 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats2.000 INCHES NOMINAL IN
nominal_thread_size1.375 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch12
material_document_and_classificationQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-266-4140
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 38254D · 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
•
NOMINAL THREAD SIZE: 1.375 INCHES IN
•
THREAD SERIES: UNF
•
BEARING SURFACE TYPE: FLAT
•
THREAD QUANTITY PER INCH: 12
•
NUT HEIGHT: 0.250 INCHES NOMINAL IN
•
THREAD CLASS: 2B
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1212 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE1.375 INCHES IN
THREAD SERIESUNF
BEARING SURFACE TYPEFLAT
THREAD QUANTITY PER INCH12
NUT HEIGHT0.250 INCHES NOMINAL IN
THREAD CLASS2B
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1212 OVERALL
WIDTH ACROSS FLATS2.000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
G16325Interchangeable
interchangeable cross-reference
interchangeable
590222Interchangeable
interchangeable cross-reference
interchangeable
111-71Interchangeable
interchangeable cross-reference
interchangeable
02082558Interchangeable
interchangeable cross-reference
interchangeable
208CFFInterchangeable
interchangeable cross-reference
interchangeable
43208PPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 38254D?
38254D is a NUT,PLAIN,HEXAGON.
What parts can replace 38254D?
There are 21 known substitutes for 38254D: G16325, 590222, 111-71 and 18 more. Substitute compatibility should be verified for your specific system.
Is 38254D still available?
38254D 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