PartsTable
Technical Data Sheet
PartsTable / COMPONENT / B1538D&B1535C
B1538D&B1535C ✓ 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 B1538D&B1535C is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-244-3913, 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
B1538D&B1535C
NSN: 5315-00-244-3913
FSC: 5315
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
Part NumberB1538D&B1535C
NSN5315-00-244-3913
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B1538D&B1535C · 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
•
FIRST END STYLE: CHAMFERED
•
FIRST END TAPER ANGLE: 30.0 DEGREES NOMINAL
•
UNDER HEAD LENGTH: 1.375 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.061 INCHES NOMINAL IN
•
EFFECTIVE LENGTH: 1.183 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.282 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
•
DIAMETER: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
•
HEAD STYLE: PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END STYLECHAMFERED
FIRST END TAPER ANGLE30.0 DEGREES NOMINAL
UNDER HEAD LENGTH1.375 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.061 INCHES NOMINAL IN
EFFECTIVE LENGTH1.183 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.282 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
DIAMETER0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
HEAD STYLEPAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
SPECIAL FEATURESPROVIDED WITH A SPLIT WASHER
UNDERCUT WIDTH0.057 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
4912532-01Interchangeable
interchangeable cross-reference
interchangeable
112-1052-046Interchangeable
interchangeable cross-reference
interchangeable
8800 PIECE 53Interchangeable
interchangeable cross-reference
interchangeable
D225K20KInterchangeable
interchangeable cross-reference
interchangeable
1367Interchangeable
interchangeable cross-reference
interchangeable
VK200WA20K0HMInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy B1538D&B1535C?
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 B1538D&B1535C?
B1538D&B1535C is a B1538D&B1535C.
What parts can replace B1538D&B1535C?
There are 33 known substitutes for B1538D&B1535C: 4912532-01, 112-1052-046, 8800 PIECE 53 and 30 more. Substitute compatibility should be verified for your specific system.
Is B1538D&B1535C still available?
B1538D&B1535C is currently cancelled.
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 — B1538D&B1535C

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