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PartsTable / COMPONENT / 904137
904137 ✓ 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,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL NUT, nut_style: HEXAGON, nut_height: 0.234 INCHES NOMINAL IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-266-4463, 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
904137
NSN: 5310-00-266-4463
FSC: 5310
CAGE: A274N — SCANDINAVIAN MANUFACTURING SCAMA AB (SWE)
SPECIFICATIONS
materialSTEEL NUT
nut_styleHEXAGON
nut_height0.234 INCHES NOMINAL IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC NUT
width_across_flats0.375 INCHES NOMINAL IN
nominal_thread_size0.190 INCHES IN
bearing_surface_typeFLAT
NSN5310-00-266-4463
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 904137 · 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
•
THREAD SERIES: UNF
•
THREAD CLASS: 3B
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
BEARING SURFACE TYPE: FLAT
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON LOCKING INSERT
•
NUT HEIGHT: 0.234 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNF
THREAD CLASS3B
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
BEARING SURFACE TYPEFLAT
NOMINAL THREAD SIZE0.190 INCHES IN
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
MATERIALSTEEL NUT
NUT HEIGHT0.234 INCHES NOMINAL IN
NUT STYLEHEXAGON
SURFACE TREATMENTCADMIUM OR ZINC NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
5HB313Interchangeable
interchangeable cross-reference
interchangeable
5005-180Interchangeable
interchangeable cross-reference
interchangeable
MILF5509AInterchangeable
interchangeable cross-reference
interchangeable
714GB17Interchangeable
interchangeable cross-reference
interchangeable
3487Interchangeable
interchangeable cross-reference
interchangeable
1350SBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 904137?
904137 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 904137?
There are 25 known substitutes for 904137: 5HB313, 5005-180, MILF5509A and 22 more. Substitute compatibility should be verified for your specific system.
Is 904137 still available?
904137 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