PartsTable
Technical Data Sheet
PartsTable / COMPONENT / NAS577B6A
NAS577B6A ✓ 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,BARREL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 4340 OVERALL, nut_style: FLOATING SELF-LOCKING BARREL, nut_height: 0.531 INCHES MAXIMUM IN, nut_length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, nut_diameter: 0.681 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-255-6579, 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
NAS577B6A
NSN: 5310-01-255-6579
FSC: 5310
CAGE: 51792 — APOLLO AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OR STEEL COMP 4340 OVERALL
nut_styleFLOATING SELF-LOCKING BARREL
nut_height0.531 INCHES MAXIMUM IN
nut_length0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
nut_diameter0.681 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN
thread_class3B
barrel_height0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
features_providedFLOATING NUT
NSN5310-01-255-6579
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS577B6A · 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
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
FEATURES PROVIDED: FLOATING NUT
•
THREAD QUANTITY PER INCH: 24
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
NUT HEIGHT: 0.531 INCHES MAXIMUM IN
•
NUT DIAMETER: 0.681 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
FEATURES PROVIDEDFLOATING NUT
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.375 INCHES IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
NUT HEIGHT0.531 INCHES MAXIMUM IN
NUT DIAMETER0.681 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN
BARREL HEIGHT0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
F18006Interchangeable
interchangeable cross-reference
interchangeable
110-9-16Interchangeable
interchangeable cross-reference
interchangeable
10110225Interchangeable
Same NIIN cross-reference
interchangeable
NAS577N6AInterchangeable
Same NIIN cross-reference
interchangeable
LH577-064Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy NAS577B6A?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is NAS577B6A?
NAS577B6A is a NUT,SELF-LOCKING,BARREL.
What parts can replace NAS577B6A?
There are 5 known substitutes for NAS577B6A: F18006, 110-9-16, 10110225 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS577B6A?
NAS577B6A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-255-6579. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — NAS577B6A

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026