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PartsTable / COMPONENT / GN10U720
GN10U720 ✓ 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,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_height: 0.328 INCHES NOMINAL IN, temp_rating: 550.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-616-5996, 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
GN10U720
NSN: 5310-00-616-5996
FSC: 5310
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_height0.328 INCHES NOMINAL IN
temp_rating550.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
special_featuresUPPER THREADED PORTION DEFORMED ELLIPTICALLY TO PRODUCE SELF-LOCKING ACTION
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.688 INCHES NOMINAL IN
nominal_thread_size0.438 INCHES IN
thread_quantity_per_inch20
NSN5310-00-616-5996
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: GN10U720 · 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
•
MATERIAL: STEEL OVERALL
•
DEPARTURE FROM CITED DOCUMENT: EXCEPT PARAGRAPH 3.3
•
SURFACE TREATMENT: CADMIUM OVERALL
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
SPECIFICATION/STANDARD DATA: 26512-GN10U MANUFACTURERS STANDARD
•
THREAD SERIES: UNF
•
TEMP RATING: 550.0 FAHRENHEIT NOMINAL DEGF
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
DEPARTURE FROM CITED DOCUMENTEXCEPT PARAGRAPH 3.3
SURFACE TREATMENTCADMIUM OVERALL
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
SPECIFICATION/STANDARD DATA26512-GN10U MANUFACTURERS STANDARD
SPECIAL FEATURESUPPER THREADED PORTION DEFORMED ELLIPTICALLY TO PRODUCE SELF-LOCKING ACTION
THREAD SERIESUNF
TEMP RATING550.0 FAHRENHEIT NOMINAL DEGF
NUT HEIGHT0.328 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
H107Interchangeable
interchangeable cross-reference
interchangeable
33.419Interchangeable
interchangeable cross-reference
interchangeable
11126Interchangeable
interchangeable cross-reference
interchangeable
H52MInterchangeable
interchangeable cross-reference
interchangeable
819413-1Interchangeable
interchangeable cross-reference
interchangeable
M27/160-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GN10U720?
GN10U720 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace GN10U720?
There are 11 known substitutes for GN10U720: H107, 33.419, 11126 and 8 more. Substitute compatibility should be verified for your specific system.
Is GN10U720 still available?
GN10U720 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