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S1537 ✓ 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 STAPLE is a the manufacturer industrial component. Key specifications include material: STEEL, head_style: HOG RING, sterilized: NO, stock_shape: ROUND, stock_diameter: 0.093 INCHES NOMINAL IN, completely_closed_staple_inside_diameter: 0.500 INCHES NOMINAL 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 5315-00-656-7464, 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
S1537
NSN: 5315-00-656-7464
FSC: 5315
CAGE: 25567 — THE GORMAN-RUPP COMPANY DIV GORMAN-RUPP (USA)
SPECIFICATIONS
materialSTEEL
head_styleHOG RING
sterilizedNO
stock_shapeROUND
stock_diameter0.093 INCHES NOMINAL IN
completely_closed_staple_inside_diameter0.500 INCHES NOMINAL IN
NSN5315-00-656-7464
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S1537 · 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
•
STOCK DIAMETER: 0.093 INCHES NOMINAL IN
•
HEAD STYLE: HOG RING
•
STERILIZED: NO
•
STOCK SHAPE: ROUND
•
COMPLETELY CLOSED STAPLE INSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
STOCK DIAMETER0.093 INCHES NOMINAL IN
HEAD STYLEHOG RING
STERILIZEDNO
STOCK SHAPEROUND
COMPLETELY CLOSED STAPLE INSIDE DIAMETER0.500 INCHES NOMINAL IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
3B7733Interchangeable
interchangeable cross-reference
interchangeable
GM45N2046Interchangeable
interchangeable cross-reference
interchangeable
CS4730-0109-6BInterchangeable
interchangeable cross-reference
interchangeable
S930Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1537?
S1537 is a STAPLE.
What parts can replace S1537?
There are 4 known substitutes for S1537: 3B7733, GM45N2046, CS4730-0109-6B and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1537?
S1537 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-656-7464. 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