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9522291 — Technical Data Sheet

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— · 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,SQUARE is a the manufacturer industrial component. Key specifications include MATERIAL: STEEL OVERALL, NUT STYLE: SQUARE, NUT HEIGHT: 0.375 INCHES NOMINAL IN, THREAD CLASS: 3B, THREAD SERIES: UNF, HARDNESS RATING: 93.9 ROCKWELL B NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5310-00-035-4826, 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
9522291
NSN: 5310-00-035-4826
FSC: 5310
CAGE: 73842 — GOODYEAR TIRE AND RUBBER CO THE (USA)
SPECIFICATIONS
MATERIALSTEEL OVERALL
NUT STYLESQUARE
NUT HEIGHT0.375 INCHES NOMINAL IN
THREAD CLASS3B
THREAD SERIESUNF
HARDNESS RATING93.9 ROCKWELL B NOMINAL
SPECIAL FEATURESONE SIDE UNDERCUT 0.318 IN. LG,0.085 IN. DP IN
THREAD DIRECTIONRIGHT-HAND
COUNTERSINK ANGLE45.0 DEGREES NOMINAL NUT
SURFACE TREATMENTCADMIUM OVERALL
WIDTH ACROSS FLATS0.624 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.312 INCHES IN
NSN5310-00-035-4826
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9522291 · 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: SQUARE
•
HARDNESS RATING: 93.9 ROCKWELL B NOMINAL
•
THREAD QUANTITY PER INCH: 24
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
THREAD SERIES: UNF
•
THREAD CLASS: 3B
•
WIDTH ACROSS FLATS: 0.624 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
NUT STYLESQUARE
HARDNESS RATING93.9 ROCKWELL B NOMINAL
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.312 INCHES IN
THREAD SERIESUNF
THREAD CLASS3B
WIDTH ACROSS FLATS0.624 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE45.0 DEGREES NOMINAL NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
1355InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9522291?
9522291 is a NUT,PLAIN,SQUARE.
What parts can replace 9522291?
There is 1 known substitute for 9522291: 1355. Substitute compatibility should be verified for your specific system.
What is the NSN for 9522291?
9522291 is cataloged in the Federal Logistics Information System under NSN 5310-00-035-4826. 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: September 2026