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Technical Data Sheet
PartsTable / COMPONENT / 22288-1RED
22288-1RED ✓ 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: ALUMINUM ALLOY 2024 OVERALL, nut_style: HEXAGON, nut_height: 0.250 INCHES NOMINAL IN, width_across_flats: 0.562 INCHES NOMINAL IN, end_item_identification: HYDTESTSTDELE:SUPPORT EQUIPMENT (SE),B-2 BOMBER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-481-4533, 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
22288-1RED
NSN: 5310-01-481-4533
FSC: 5310
CAGE: 56529 — HYDRAULICS INTERNATIONAL, INC. DBA HYDRAULICS INTERNATIONAL INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
nut_styleHEXAGON
nut_height0.250 INCHES NOMINAL IN
width_across_flats0.562 INCHES NOMINAL IN
end_item_identificationHYDTESTSTDELE:SUPPORT EQUIPMENT (SE),B-2 BOMBER
NSN5310-01-481-4533
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 22288-1RED · 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: HEXAGON
•
NUT HEIGHT: 0.250 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
WIDTH ACROSS FLATS: 0.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
NUT HEIGHT0.250 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 2024 OVERALL
WIDTH ACROSS FLATS0.562 INCHES NOMINAL IN
END ITEM IDENTIFICATIONHYDTESTSTDELE:SUPPORT EQUIPMENT (SE),B-2 BOMBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
M-1116Interchangeable
interchangeable cross-reference
interchangeable
A9653Interchangeable
interchangeable cross-reference
interchangeable
294919Interchangeable
interchangeable cross-reference
interchangeable
22288-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 22288-1RED?
22288-1RED is a NUT,PLAIN,HEXAGON.
What parts can replace 22288-1RED?
There are 4 known substitutes for 22288-1RED: M-1116, A9653, 294919 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 22288-1RED?
22288-1RED is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-481-4533. 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