PartsTable
Technical Data Sheet
B22658C ✓ 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,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1117 OR STEEL COMP 1211 OR STEEL COMP 1212 OVERALL, nut_style: ROUND, nut_diameter: 1.559 INCHES MINIMUM AND 1.563 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 1.000 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN, thread_series: UN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-772-9236, 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
B22658C
NSN: 5310-00-772-9236
FSC: 5310
CAGE: 95402 — ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC (USA)
SPECIFICATIONS
materialSTEEL COMP 1117 OR STEEL COMP 1211 OR STEEL COMP 1212 OVERALL
nut_styleROUND
nut_diameter1.559 INCHES MINIMUM AND 1.563 INCHES MAXIMUM IN
thread_class3B
nut_thickness1.000 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
thread_seriesUN
special_featuresLUBRICATED MIL-L-7870
thread_directionRIGHT-HAND
nominal_thread_size1.312 INCHES IN
counterbore_diameter1.312 INCHES MINIMUM AND 1.327 INCHES MAXIMUM NUT IN
drilled_hole_diameter0.250 INCHES NOMINAL IN
nut_counterbore_depth0.312 INCHES NOMINAL NUT IN
NSN5310-00-772-9236
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B22658C · 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
DRILLED HOLE DIAMETER: 0.250 INCHES NOMINAL IN
COUNTERBORE DIAMETER: 1.312 INCHES MINIMUM AND 1.327 INCHES MAXIMUM NUT IN
NOMINAL THREAD SIZE: 1.312 INCHES IN
THREAD SERIES: UN
NUT COUNTERBORE DEPTH: 0.312 INCHES NOMINAL NUT IN
HOLE CONFIGURATION STYLE: CONFIGURATION F
THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS (FLIS)
DRILLED HOLE DIAMETER0.250 INCHES NOMINAL IN
COUNTERBORE DIAMETER1.312 INCHES MINIMUM AND 1.327 INCHES MAXIMUM NUT IN
NOMINAL THREAD SIZE1.312 INCHES IN
THREAD SERIESUN
NUT COUNTERBORE DEPTH0.312 INCHES NOMINAL NUT IN
HOLE CONFIGURATION STYLECONFIGURATION F
THREAD QUANTITY PER INCH16
SPECIAL FEATURESLUBRICATED MIL-L-7870
NUT DIAMETER1.559 INCHES MINIMUM AND 1.563 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1117 OR STEEL COMP 1211 OR STEEL COMP 1212 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
12Z7001-5049Interchangeable
interchangeable cross-reference
interchangeable
18CInterchangeable
interchangeable cross-reference
interchangeable
1081BInterchangeable
interchangeable cross-reference
interchangeable
00467Interchangeable
interchangeable cross-reference
interchangeable
120136Interchangeable
interchangeable cross-reference
interchangeable
D35923PC18Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy B22658C?
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 B22658C?
B22658C is a NUT,PLAIN,ROUND.
What parts can replace B22658C?
There are 6 known substitutes for B22658C: 12Z7001-5049, 18C, 1081B and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B22658C?
B22658C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-772-9236. 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 — B22658C