PartsTable
Technical Data Sheet
151-303-2 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: ROUND, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, shell_type: SOLID, nut_diameter: 0.250 INCHES NOMINAL IN, thread_class: 2A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-255-9832, 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
151-303-2
NSN: 5310-00-255-9832
FSC: 5310
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleROUND
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
shell_typeSOLID
nut_diameter0.250 INCHES NOMINAL IN
thread_class2A A
nut_thickness0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_length1.000 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
shell_materialCOPPER ALLOY
contact_materialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
NSN5310-00-255-9832
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 151-303-2 · 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: ROUND
NOMINAL THREAD SIZE: 0.112 INCHES IN
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH: 40
NUT THICKNESS: 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT: PASSIVATE OVERALL
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEROUND
NOMINAL THREAD SIZE0.112 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
NUT THICKNESS0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 303 OVERALL
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
151-303-2Interchangeable
interchangeable cross-reference
interchangeable
9065Interchangeable
interchangeable cross-reference
interchangeable
763-3936-001Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 151-303-2?
151-303-2 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 151-303-2?
There are 3 known substitutes for 151-303-2: 151-303-2, 9065, 763-3936-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 151-303-2?
151-303-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-255-9832. This indicates validated use in U.S. government and defense supply chains.
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