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SS31K125 — NUT,PLAIN,BLIND RIVET

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SS31K125: NUT,PLAIN,BLIND RIVET.

The NUT,PLAIN,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 KEYED, key_length: 0.040 INCHES MAXIMUM IN, nut_length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, head_height: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-101-6044, 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
SS31K125
NSN: 5310-01-101-6044
FSC: 5310 — Nuts and Washers
CAGE: 3H464 — BOLLHOFF INC. DBA BOLLHOFF RIVNUT INC (USA)
SPECIFICATIONS
materialSTEEL COMP 430 OVERALL
nut_styleBLIND RIVET W/SMOOTH ROUND SHANK
head_styleFLAT KEYED
key_length0.040 INCHES MAXIMUM IN
nut_length0.735 INCHES MINIMUM AND 0.765 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 0.665 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
shank_end_typeOPEN
thread_directionRIGHT-HAND
NSN5310-01-101-6044
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SS31K125 · 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: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
SHANK END TYPE: OPEN
•
HEAD STYLE: FLAT KEYED
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
NUT DIAMETER: 0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.062 INCHES NOMINAL IN
NUT LENGTH0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
SHANK END TYPEOPEN
HEAD STYLEFLAT KEYED
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.312 INCHES IN
NUT DIAMETER0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM IN
KEY LENGTH0.040 INCHES MAXIMUM IN
NUT STYLEBLIND RIVET W/SMOOTH ROUND SHANK
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 2
AESS31K125Reference document
Same NSN cross-reference
Reference document — Secondary reference
RNSS518-125KSame 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 SS31K125?
SS31K125 is a NUT,PLAIN,BLIND RIVET.
What parts can replace SS31K125?
There are 2 known substitutes for SS31K125: AESS31K125, RNSS518-125K. Substitute compatibility should be verified for your specific system.
What is the NSN for SS31K125?
SS31K125 is cataloged in the U.S. Government catalog under NSN 5310-01-101-6044. This indicates validated use in U.S. government and defense supply chains.
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