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FD1977 — PADLOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

FD1977: PADLOCK.

The PADLOCK is a the manufacturer industrial component. Key specifications include material: STEEL SHACKLE, overall_width: 1.188 INCHES NOMINAL IN, shackle_diameter: 0.188 INCHES NOMINAL IN, special_features: GENERAL SECURITY BRASS PADLOCK; 4-PIN TUMBLER; HARDENED STEEL SHACKLE, features_provided: CASEHARDENED, shackle_clearance: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-518-3548, 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
FD1977
NSN: 5340-01-518-3548
FSC: 5340 — Hardware, Commercial
CAGE: 1N5S7 — CRITICAL SOLUTIONS INTERNATIONAL, LLC (USA)
SPECIFICATIONS
materialSTEEL SHACKLE
overall_width1.188 INCHES NOMINAL IN
shackle_diameter0.188 INCHES NOMINAL IN
special_featuresGENERAL SECURITY BRASS PADLOCK; 4-PIN TUMBLER; HARDENED STEEL SHACKLE
features_providedCASEHARDENED
shackle_clearance0.625 INCHES NOMINAL IN
operating_mechanism_typePIN TUMBLER
NSN5340-01-518-3548
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FD1977 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
•
SHACKLE CLEARANCE: 0.625 INCHES NOMINAL IN
•
OPERATING MECHANISM TYPE: PIN TUMBLER
•
FEATURES PROVIDED: CASEHARDENED
•
MATERIAL: STEEL SHACKLE
•
SHACKLE DIAMETER: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHACKLE CLEARANCE0.625 INCHES NOMINAL IN
OPERATING MECHANISM TYPEPIN TUMBLER
FEATURES PROVIDEDCASEHARDENED
OVERALL WIDTH1.188 INCHES NOMINAL IN
SPECIAL FEATURESGENERAL SECURITY BRASS PADLOCK; 4-PIN TUMBLER; HARDENED STEEL SHACKLE
MATERIALSTEEL SHACKLE
SHACKLE DIAMETER0.188 INCHES NOMINAL IN
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 FD1977?
FD1977 is a PADLOCK.
What is the NSN for FD1977?
FD1977 is cataloged in the U.S. Government catalog under NSN 5340-01-518-3548. This indicates validated use in U.S. government and defense supply chains.
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