PartsTable
Technical Data Sheet
531000131501 ✓ 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,CAP is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CAP, nut_height: 0.531 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-1501, 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
531000131501
NSN: 5310-00-013-1501
FSC: 5310
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCAP
nut_height0.531 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.312 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch24
nondefinitive_spec/std_dataC TYPE
NSN5310-00-013-1501
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 531000131501 · 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: CAP
THREAD QUANTITY PER INCH: 24
BEARING SURFACE TYPE: CHAMFERED
THREAD SERIES: UNF
NOMINAL THREAD SIZE: 0.312 INCHES IN
MATERIAL: STEEL OVERALL
NONDEFINITIVE SPEC/STD DATA: C TYPE
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY HEIGHT RQMT
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLECAP
THREAD QUANTITY PER INCH24
BEARING SURFACE TYPECHAMFERED
THREAD SERIESUNF
NOMINAL THREAD SIZE0.312 INCHES IN
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATAC TYPE
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY HEIGHT RQMT
NUT HEIGHT0.531 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
131402Interchangeable
interchangeable cross-reference
interchangeable
MILB857TYPECInterchangeable
interchangeable cross-reference
interchangeable
AA55629-3Interchangeable
interchangeable cross-reference
interchangeable
131482Interchangeable
interchangeable cross-reference
interchangeable
131485Interchangeable
interchangeable cross-reference
interchangeable
131500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 531000131501?
531000131501 is a NUT,PLAIN,CAP.
What parts can replace 531000131501?
There are 14 known substitutes for 531000131501: 131402, MILB857TYPEC, AA55629-3 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 531000131501?
531000131501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-1501. This indicates validated use in U.S. government and defense supply chains.
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