PartsTable
Technical Data Sheet
R155PC16 ✓ 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: COPPER ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.312 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: LEFT-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 5310-00-596-9560, 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
R155PC16
NSN: 5310-00-596-9560
FSC: 5310
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleHEXAGON
nut_height0.312 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionLEFT-HAND
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch20
material_document_and_classificationMIL-B-892 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-596-9560
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R155PC16 · 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 HEIGHT: 0.312 INCHES NOMINAL IN
NOMINAL THREAD SIZE: 0.500 INCHES IN
THREAD SERIES: UNF
BEARING SURFACE TYPE: CHAMFERED
THREAD QUANTITY PER INCH: 20
THREAD CLASS: 3B
MATERIAL: COPPER ALLOY OVERALL
THREAD DIRECTION: LEFT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.312 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.500 INCHES IN
THREAD SERIESUNF
BEARING SURFACE TYPECHAMFERED
THREAD QUANTITY PER INCH20
THREAD CLASS3B
MATERIALCOPPER ALLOY OVERALL
THREAD DIRECTIONLEFT-HAND
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-892 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
10087848Interchangeable
interchangeable cross-reference
interchangeable
5306PL1494894Interchangeable
interchangeable cross-reference
interchangeable
F107Interchangeable
interchangeable cross-reference
interchangeable
31095RInterchangeable
interchangeable cross-reference
interchangeable
34419RInterchangeable
interchangeable cross-reference
interchangeable
5027301-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R155PC16?
R155PC16 is a NUT,PLAIN,HEXAGON.
What parts can replace R155PC16?
There are 11 known substitutes for R155PC16: 10087848, 5306PL1494894, F107 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R155PC16?
R155PC16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-9560. This indicates validated use in U.S. government and defense supply chains.
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