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Technical Data Sheet
PartsTable / COMPONENT / 9175339
9175339 ✓ 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,KNURLED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2011 OVERALL, nut_style: KNURLED, knurl_width: 0.078 INCHES MINIMUM IN, nut_diameter: 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_class: 2B, nut_thickness: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-836-1807, 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
9175339
NSN: 5310-00-836-1807
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2011 OVERALL
nut_styleKNURLED
knurl_width0.078 INCHES MINIMUM IN
nut_diameter0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_class2B
nut_thickness0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
thread_seriesUNEF
small_end_length0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
thread_directionLEFT-HAND
surface_treatmentANODIZE OVERALL
small_end_diameter0.305 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
NSN5310-00-836-1807
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9175339 · 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
•
KNURL WIDTH: 0.078 INCHES MINIMUM IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNEF
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 171,FINISH 7.2.2 BLACK MIL STD SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-365/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: ALUMINUM ALLOY 2011 OVERALL
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
KNURL WIDTH0.078 INCHES MINIMUM IN
THREAD QUANTITY PER INCH32
THREAD SERIESUNEF
NOMINAL THREAD SIZE0.250 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171,FINISH 7.2.2 BLACK MIL STD SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-365/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2011 OVERALL
THREAD CLASS2B
NUT THICKNESS0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA18876-9175339 MANUFACTURERS SOURCE CONTROL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
CA5-12P2Interchangeable
interchangeable cross-reference
interchangeable
X7-9Interchangeable
interchangeable cross-reference
interchangeable
106496Interchangeable
interchangeable cross-reference
interchangeable
G-12Interchangeable
interchangeable cross-reference
interchangeable
15422Interchangeable
interchangeable cross-reference
interchangeable
S134Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9175339?
9175339 is a NUT,PLAIN,KNURLED.
What parts can replace 9175339?
There are 19 known substitutes for 9175339: CA5-12P2, X7-9, 106496 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9175339?
9175339 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-836-1807. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026