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PartsTable / COMPONENT / H10-5BAC
H10-5BAC ✓ 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 COMP 8740 OR STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 1040 OR STEEL COMP 1042 OR STEEL COMP 1050 NUT, nut_style: HEXAGON, nut_height: 0.268 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-476-4716, 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
H10-5BAC
NSN: 5310-00-476-4716
FSC: 5310
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OR STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 1040 OR STEEL COMP 1042 OR STEEL COMP 1050 NUT
nut_styleHEXAGON
nut_height0.268 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
countersink_angle120.0 DEGREES NOMINAL NUT
surface_treatmentCADMIUM OVERALL
NSN5310-00-476-4716
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: H10-5BAC · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
THREAD CLASS: 3B
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
WIDTH ACROSS FLATS: 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL COMP 8740 OR STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 1040 OR STEEL COMP 1042 OR STEEL COMP 1050 NUT
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATIONDRY FILM LUBRICANT
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD CLASS3B
NOMINAL THREAD SIZE0.312 INCHES IN
WIDTH ACROSS FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OR STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 1040 OR STEEL COMP 1042 OR STEEL COMP 1050 NUT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6040 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6378 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6350 ASSN STD 3RD MATERIAL RESPONSE OR SAE ASSN STD 4TH MATERIAL RESPONSE OR SAE ASSN STD 5TH MATERIAL RESPONSE OR SAE ASSN STD 6TH MATERIAL RESPONSE NUT
COUNTERSINK ANGLE120.0 DEGREES NOMINAL NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
96054Interchangeable
interchangeable cross-reference
interchangeable
96054-1Interchangeable
interchangeable cross-reference
interchangeable
7700960180540Interchangeable
interchangeable cross-reference
interchangeable
ED00960R0540-SInterchangeable
interchangeable cross-reference
interchangeable
703HXInterchangeable
interchangeable cross-reference
interchangeable
T6S524JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H10-5BAC?
H10-5BAC is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace H10-5BAC?
There are 8 known substitutes for H10-5BAC: 96054, 96054-1, 7700960180540 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H10-5BAC?
H10-5BAC is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-476-4716. 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