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B1535C — PIN,COTTER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B1535C: PIN,COTTER.

The PIN,COTTER is a the manufacturer industrial component. Key specifications include diameter: 0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN, material: STEEL COMP 1035 OVERALL, point_type: CHISEL, hardness_rating: 20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL, style_designator: STANDARD, underloop_length: 0.498 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-245-9197, 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
B1535C
NSN: 5315-00-245-9197
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
diameter0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
materialSTEEL COMP 1035 OVERALL
point_typeCHISEL
hardness_rating20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSTANDARD
underloop_length0.498 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-245-9197
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 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
•
HARDNESS RATING: 20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: STANDARD
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
•
UNDERLOOP LENGTH: 0.498 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1035 OVERALL
•
POINT TYPE: CHISEL
TECHNICAL CHARACTERISTICS
HARDNESS RATING20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSTANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
UNDERLOOP LENGTH0.498 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1035 OVERALL
POINT TYPECHISEL
SUBSTITUTES & CROSS-REFERENCES 2
71359Reference document
Same NSN cross-reference
Reference document — Secondary reference
3H0431Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B1535C?
B1535C is a PIN,COTTER.
What parts can replace B1535C?
There are 2 known substitutes for B1535C: 71359, 3H0431. Substitute compatibility should be verified for your specific system.
What is the NSN for B1535C?
B1535C is cataloged in the U.S. Government catalog under NSN 5315-00-245-9197. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.