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S31B125CSI — NUT,PLAIN,BLIND RIVET

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S31B125CSI: NUT,PLAIN,BLIND RIVET.

The NUT,PLAIN,BLIND RIVET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1108 OR STEEL COMP 1110 OVERALL, nut_style: BLIND RIVET W/SMOOTH ROUND SHANK, head_style: FLAT, nut_length: 1.172 INCHES MINIMUM AND 1.202 INCHES MAXIMUM IN, head_height: 0.062 INCHES NOMINAL IN, nut_diameter: 0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-353-5157, 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
S31B125CSI
NSN: 5310-01-353-5157
NIINs: 013535157, 014206144
FSC: 5310 — Nuts and Washers
CAGE: 03481 — BFGOODRICH CO THE AEROSPACE DIV ENGINEERED POLYMER PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 1108 OR STEEL COMP 1110 OVERALL
nut_styleBLIND RIVET W/SMOOTH ROUND SHANK
head_styleFLAT
nut_length1.172 INCHES MINIMUM AND 1.202 INCHES MAXIMUM IN
head_height0.062 INCHES NOMINAL IN
nut_diameter0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN
thread_class3B
head_diameter0.650 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
shank_end_typeCLOSED
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
NSN5310-01-353-5157
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S31B125CSI · 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
SUBSTITUTES & CROSS-REFERENCES 1
SM-D-947080-13Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S31B125CSI?
S31B125CSI is a NUT,PLAIN,BLIND RIVET.
What parts can replace S31B125CSI?
There is 1 known substitute for S31B125CSI: SM-D-947080-13. Substitute compatibility should be verified for your specific system.
What is the NSN for S31B125CSI?
S31B125CSI is cataloged in the U.S. Government catalog under NSN 5310-01-353-5157. This indicates validated use in U.S. government and defense supply chains.
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