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Technical Data Sheet
PartsTable / COMPONENT / 297175PC9
297175PC9 ✓ 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,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.406 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-262-5959, 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
297175PC9
NSN: 5310-00-262-5959
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCASTELLATED, HEXAGON
nut_height0.406 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.562 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch16
nondefinitive_spec/std_data5 TYPE AND 1 STYLE
NSN5310-00-262-5959
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 297175PC9 · 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: CASTELLATED, HEXAGON
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY THD TYPE RQMT
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 5 TYPE AND 1 STYLE
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
WIDTH ACROSS FLATS: 0.562 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NUT HEIGHT: 0.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLECASTELLATED, HEXAGON
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THD TYPE RQMT
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA5 TYPE AND 1 STYLE
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
WIDTH ACROSS FLATS0.562 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.375 INCHES IN
NUT HEIGHT0.406 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
10087996Interchangeable
interchangeable cross-reference
interchangeable
FFN836GPBTYPE1STYLE4Interchangeable
interchangeable cross-reference
interchangeable
5310PL0145314Interchangeable
interchangeable cross-reference
interchangeable
FFN836TYPE5STYLE1Interchangeable
interchangeable cross-reference
interchangeable
500004Interchangeable
interchangeable cross-reference
interchangeable
FF-N-836 TYPE VInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 297175PC9?
297175PC9 is a NUT,PLAIN,CASTELLATED,HEXAGON.
What parts can replace 297175PC9?
There are 9 known substitutes for 297175PC9: 10087996, FFN836GPBTYPE1STYLE4, 5310PL0145314 and 6 more. Substitute compatibility should be verified for your specific system.
Is 297175PC9 still available?
297175PC9 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