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222428-003 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

222428-003: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2011 OVERALL, nut_style: HEXAGONHEXAGON, nut_height: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN, thread_class: 2B2B, thread_series: UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HANDRIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-145-6159, 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
222428-003
NSN: 5310-01-145-6159
FSC: 5310 — Nuts and Washers
CAGE: 81413 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DBA BAE SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2011 OVERALL
nut_styleHEXAGONHEXAGON
nut_height0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
thread_class2B2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HANDRIGHT-HAND
surface_treatmentPHOSPHATE OVERALLPHOSPHATE OVERALL
width_across_flats0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
nominal_thread_size0.112 INCHES0.112 INCHES IN
bearing_surface_typeFLATFLAT
thread_quantity_per_inch4040
material_document_and_classificationQQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-145-6159
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 222428-003 · 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HANDRIGHT-HAND
•
NOMINAL THREAD SIZE: 0.112 INCHES0.112 INCHES IN
•
NUT HEIGHT: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE OVERALLPHOSPHATE OVERALL
•
NUT STYLE: HEXAGONHEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
NOMINAL THREAD SIZE0.112 INCHES0.112 INCHES IN
NUT HEIGHT0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE OVERALLPHOSPHATE OVERALL
NUT STYLEHEXAGONHEXAGON
THREAD CLASS2B2B
THREAD QUANTITY PER INCH4040
SUBSTITUTES & CROSS-REFERENCES 3
8215-A-0440-17Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8515-A-0440-17Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8215-A-0440-10AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 222428-003?
222428-003 is a NUT,PLAIN,HEXAGON.
What parts can replace 222428-003?
There are 3 known substitutes for 222428-003: 8215-A-0440-17, 8515-A-0440-17, 8215-A-0440-10A. Substitute compatibility should be verified for your specific system.
What is the NSN for 222428-003?
222428-003 is cataloged in the U.S. Government catalog under NSN 5310-01-145-6159. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.