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S31B340CSI — NUT,PLAIN,BLIND RIVET

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S31B340CSI: 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: 1.422 INCHES MINIMUM AND 1.452 INCHES MAXIMUM IN, head_height: 0.062 INCHES NOMINAL IN, nut_diameter: 0.309 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-192-3349, 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
S31B340CSI
NSN: 5310-01-192-3349
FSC: 5310 — Nuts and Washers
CAGE: 0VK23 — BOLLHOFF RIVNUT., INC. FASTENING AND ASSEMBLY TECHNOLOGY DBA BOLLHOFF RIVNUT., INC. DIV BOLLHOFF RIVNUT., INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1108 OR STEEL COMP 1110 OVERALL
nut_styleBLIND RIVET W/SMOOTH ROUND SHANK
head_styleFLAT
nut_length1.422 INCHES MINIMUM AND 1.452 INCHES MAXIMUM IN
head_height0.062 INCHES NOMINAL IN
nut_diameter0.309 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 AND CHROMATE OVERALL
NSN5310-01-192-3349
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S31B340CSI · 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
•
HEAD HEIGHT: 0.062 INCHES NOMINAL IN
•
NUT LENGTH: 1.422 INCHES MINIMUM AND 1.452 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
SHANK END TYPE: CLOSED
•
HEAD STYLE: FLAT
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.062 INCHES NOMINAL IN
NUT LENGTH1.422 INCHES MINIMUM AND 1.452 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
SHANK END TYPECLOSED
HEAD STYLEFLAT
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.312 INCHES IN
NUT DIAMETER0.309 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
S31B350CSIReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S31B340CSI?
S31B340CSI is a NUT,PLAIN,BLIND RIVET.
What parts can replace S31B340CSI?
There is 1 known substitute for S31B340CSI: S31B350CSI. Substitute compatibility should be verified for your specific system.
What is the NSN for S31B340CSI?
S31B340CSI is cataloged in the U.S. Government catalog under NSN 5310-01-192-3349. This indicates validated use in U.S. government and defense supply chains.
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