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Technical Data Sheet
1176A41 ✓ 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 PADLOCK is a the manufacturer industrial component. Key specifications include construction: LAMINATED, overall_width: 2.000 INCHES NOMINAL IN, overall_height: 1.500 INCHES NOMINAL IN, shackle_diameter: 0.375 INCHES NOMINAL IN, features_provided: CASEHARDENED, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-247-9650, 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
1176A41
NSN: 5340-01-247-9650
FSC: 5340
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
constructionLAMINATED
overall_width2.000 INCHES NOMINAL IN
overall_height1.500 INCHES NOMINAL IN
shackle_diameter0.375 INCHES NOMINAL IN
features_providedCASEHARDENED
surface_treatmentCADMIUM OVERALL
operating_mechanism_typePIN TUMBLER
NSN5340-01-247-9650
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1176A41 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
SURFACE TREATMENT: CADMIUM OVERALL
SHACKLE DIAMETER: 0.375 INCHES NOMINAL IN
FEATURES PROVIDED: CASEHARDENED
OPERATING MECHANISM TYPE: PIN TUMBLER
CONSTRUCTION: LAMINATED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH2.000 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
SHACKLE DIAMETER0.375 INCHES NOMINAL IN
FEATURES PROVIDEDCASEHARDENED
OVERALL HEIGHT1.500 INCHES NOMINAL IN
OPERATING MECHANISM TYPEPIN TUMBLER
CONSTRUCTIONLAMINATED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
PP978FGUpgraded Successor
successor cross-reference
successor
SMD148861Upgraded Successor
successor cross-reference
successor
52025AUpgraded Successor
successor cross-reference
successor
32879Upgraded Successor
successor cross-reference
successor
150Upgraded Successor
successor cross-reference
successor
5KALJInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1176A41?
1176A41 is a PADLOCK.
What parts can replace 1176A41?
There are 6 known substitutes for 1176A41: PP978FG, SMD148861, 52025A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1176A41?
1176A41 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-247-9650. This indicates validated use in U.S. government and defense supply chains.
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