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SS31B331 — NUT,SELF-LOCKING,BLIND RIVET

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SS31B331: NUT,SELF-LOCKING,BLIND RIVET.

The NUT,SELF-LOCKING,BLIND RIVET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 430 OVERALL, nut_style: BLIND RIVET W/SMOOTH ROUND SHANK, head_style: FLAT COUNTERSUNK, nut_length: 1.391 INCHES MINIMUM AND 1.421 INCHES MAXIMUM IN, nut_diameter: 0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-100-5209, 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
SS31B331
NSN: 5310-01-100-5209
FSC: 5310 — Nuts and Washers
CAGE: 03481 — BFGOODRICH CO THE AEROSPACE DIV ENGINEERED POLYMER PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 430 OVERALL
nut_styleBLIND RIVET W/SMOOTH ROUND SHANK
head_styleFLAT COUNTERSUNK
nut_length1.391 INCHES MINIMUM AND 1.421 INCHES MAXIMUM IN
nut_diameter0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN
thread_class3B
head_diameter0.656 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
nut_grip_range+0.231 TO 0.256 INCHES IN
shank_end_typeCLOSED
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
NSN5310-01-100-5209
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SS31B331 · 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
•
NUT LENGTH: 1.391 INCHES MINIMUM AND 1.421 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
HEAD COUNTERSINK ANGLE: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
•
NUT GRIP RANGE: +0.231 TO 0.256 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SHANK END TYPE: CLOSED
•
HEAD STYLE: FLAT COUNTERSUNK
TECHNICAL CHARACTERISTICS
NUT LENGTH1.391 INCHES MINIMUM AND 1.421 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
HEAD COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NUT GRIP RANGE+0.231 TO 0.256 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SHANK END TYPECLOSED
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.312 INCHES IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 SS31B331?
SS31B331 is a NUT,SELF-LOCKING,BLIND RIVET.
What is the NSN for SS31B331?
SS31B331 is cataloged in the U.S. Government catalog under NSN 5310-01-100-5209. This indicates validated use in U.S. government and defense supply chains.
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