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Technical Data Sheet
4129726012 ✓ 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 LOCKING PLATE,NUT AND BOLT is a the manufacturer industrial component. Key specifications include width: 0.405 MILLIMETERS MINIMUM AND 0.725 MILLIMETERS MAXIMUM MM, aperture_length: 1.28 MILLIMETERS MINIMUM AND 1.32 MILLIMETERS MAXIMUM MM, plate_thickness: 0.039 MILLIMETERS MINIMUM AND 0.043 MILLIMETERS MAXIMUM MM, bolt_circle_diameter: 0.455 MILLIMETERS MINIMUM AND 0.485 MILLIMETERS MAXIMUM MM, mounting_hole_diameter: 0.455 MILLIMETERS MINIMUM AND 0.485 MILLIMETERS MAXIMUM MM, end_item_identification: 3930-01-641-7505. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-669-1300, 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
4129726012
NSN: 5340-01-669-1300
FSC: 5340
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
width0.405 MILLIMETERS MINIMUM AND 0.725 MILLIMETERS MAXIMUM MM
aperture_length1.28 MILLIMETERS MINIMUM AND 1.32 MILLIMETERS MAXIMUM MM
plate_thickness0.039 MILLIMETERS MINIMUM AND 0.043 MILLIMETERS MAXIMUM MM
bolt_circle_diameter0.455 MILLIMETERS MINIMUM AND 0.485 MILLIMETERS MAXIMUM MM
mounting_hole_diameter0.455 MILLIMETERS MINIMUM AND 0.485 MILLIMETERS MAXIMUM MM
mounting_hole_quantity1
end_item_identification3930-01-641-7505
part_name_assigned_by_controlling_agencyNUT, U, TAB, ST MB
NSN5340-01-669-1300
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4129726012 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
PLATE THICKNESS: 0.039 MILLIMETERS MINIMUM AND 0.043 MILLIMETERS MAXIMUM MM
MOUNTING HOLE DIAMETER: 0.455 MILLIMETERS MINIMUM AND 0.485 MILLIMETERS MAXIMUM MM
WIDTH: 0.405 MILLIMETERS MINIMUM AND 0.725 MILLIMETERS MAXIMUM MM
MOUNTING HOLE QUANTITY: 1
BOLT CIRCLE DIAMETER: 0.455 MILLIMETERS MINIMUM AND 0.485 MILLIMETERS MAXIMUM MM
APERTURE LENGTH: 1.28 MILLIMETERS MINIMUM AND 1.32 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS (FLIS)
PLATE THICKNESS0.039 MILLIMETERS MINIMUM AND 0.043 MILLIMETERS MAXIMUM MM
MOUNTING HOLE DIAMETER0.455 MILLIMETERS MINIMUM AND 0.485 MILLIMETERS MAXIMUM MM
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT, U, TAB, ST MB
WIDTH0.405 MILLIMETERS MINIMUM AND 0.725 MILLIMETERS MAXIMUM MM
MOUNTING HOLE QUANTITY1
BOLT CIRCLE DIAMETER0.455 MILLIMETERS MINIMUM AND 0.485 MILLIMETERS MAXIMUM MM
END ITEM IDENTIFICATION3930-01-641-7505
APERTURE LENGTH1.28 MILLIMETERS MINIMUM AND 1.32 MILLIMETERS MAXIMUM MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
9814Upgraded Successor
successor cross-reference
successor
8814Upgraded Successor
successor cross-reference
successor
6114Upgraded Successor
successor cross-reference
successor
0-110Interchangeable
interchangeable cross-reference
interchangeable
79-1/4Interchangeable
interchangeable cross-reference
interchangeable
1B415-114Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4129726012?
4129726012 is a LOCKING PLATE,NUT AND BOLT.
What parts can replace 4129726012?
There are 16 known substitutes for 4129726012: 9814, 8814, 6114 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4129726012?
4129726012 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-669-1300. This indicates validated use in U.S. government and defense supply chains.
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