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Technical Data Sheet
A31-125 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The NUT,PLAIN,BLIND RIVET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6053 OVERALL, nut_style: BLIND RIVET W/SMOOTH ROUND SHANK, head_style: FLAT, nut_length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, head_height: 0.062 INCHES NOMINAL IN, nut_diameter: 0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM 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 5340-00-118-6506, 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
A31-125
NSN: 5340-00-118-6506
FSC: 5340
CAGE: 62809 — MARINE ACQUISITION (US) INCORPORATED DIV PRIME LINE INDUSTRIAL CONTROLS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6053 OVERALL
nut_styleBLIND RIVET W/SMOOTH ROUND SHANK
head_styleFLAT
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 0.680 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
shank_end_typeOPEN
thread_directionRIGHT-HAND
surface_treatmentANODIZE OVERALL
NSN5340-00-118-6506
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A31-125 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
STYLE DESIGNATOR: CLEVIS
THREAD SERIES DESIGNATOR: UNF ROD CONNECTION
MATERIAL: STEEL OVERALL
THREAD CLASS: 2B ROD CONNECTION
SHANK LENGTH: 0.750 INCHES NOMINAL IN
THREAD DIRECTION: RIGHT-HAND ROD CONNECTION
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.250 INCHES NOMINAL IN
OVERALL WIDTH0.875 INCHES NOMINAL IN
STYLE DESIGNATORCLEVIS
THREAD SERIES DESIGNATORUNF ROD CONNECTION
MATERIALSTEEL OVERALL
THREAD CLASS2B ROD CONNECTION
SHANK LENGTH0.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND ROD CONNECTION
FORK SPAN WIDTH0.281 INCHES NOMINAL IN
FORK ARM THICKNESS0.172 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
031125Upgraded Successor
successor cross-reference
successor
31125Upgraded Successor
successor cross-reference
successor
6515NCM127220Upgraded Successor
successor cross-reference
successor
TICS.27.10327Upgraded Successor
successor cross-reference
successor
11583Interchangeable
interchangeable cross-reference
interchangeable
5680E9074Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A31-125?
A31-125 is a NUT,PLAIN,BLIND RIVET.
What parts can replace A31-125?
There are 14 known substitutes for A31-125: 031125, 31125, 6515NCM127220 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A31-125?
A31-125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-118-6506. This indicates validated use in U.S. government and defense supply chains.
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