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Technical Data Sheet
179LH ✓ 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 material: STEEL OVERALL, construction: SOLID OR FORMED, overall_width: 1.750 INCHES NOMINAL IN, overall_height: 4.150 INCHES NOMINAL IN, shackle_diameter: 0.312 INCHES NOMINAL IN, special_features: STEEL SHACKLE MAY BE THOROUGHLY HARDENED TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-292-0896, 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
179LH
NSN: 5340-00-292-0896
FSC: 5340
CAGE: 4QMB1 — MASTER LOCK COMPANY LLC DBA MASTER LOCK DIV MASTER LOCK COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
constructionSOLID OR FORMED
dial_quantity4
overall_width1.750 INCHES NOMINAL IN
overall_height4.150 INCHES NOMINAL IN
shackle_diameter0.312 INCHES NOMINAL IN
special_featuresSTEEL SHACKLE MAY BE THOROUGHLY HARDENED TYPE
shackle_clearance2.250 INCHES NOMINAL IN
combination_quantity10000
dial_setting_quantity40 NOMINAL
operating_mechanism_typeCOMBINATION
environmental_attribute_codePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
NSN5340-00-292-0896
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 179LH 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
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY DIAL QUANTITY,CASE OVERALL HEIGHT,SHACKLE CLEARANCE,AND SHACKLE DIAMETER
MATERIAL: STEEL OVERALL
ENVIRONMENTAL ATTRIBUTE CODE: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
CONSTRUCTION: SOLID OR FORMED
DIAL SETTING QUANTITY: 40 NOMINAL
SHACKLE CLEARANCE: 2.250 INCHES NOMINAL IN
OPERATING MECHANISM TYPE: COMBINATION
TECHNICAL CHARACTERISTICS (FLIS)
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAL QUANTITY,CASE OVERALL HEIGHT,SHACKLE CLEARANCE,AND SHACKLE DIAMETER
MATERIALSTEEL OVERALL
ENVIRONMENTAL ATTRIBUTE CODEPLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
SPECIAL FEATURESSTEEL SHACKLE MAY BE THOROUGHLY HARDENED TYPE
CONSTRUCTIONSOLID OR FORMED
DIAL SETTING QUANTITY40 NOMINAL
SHACKLE CLEARANCE2.250 INCHES NOMINAL IN
OPERATING MECHANISM TYPECOMBINATION
DIAL QUANTITY4
OVERALL HEIGHT4.150 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
178AUpgraded Successor
successor cross-reference
successor
FFP101Upgraded Successor
successor cross-reference
successor
MDLAC20Upgraded Successor
successor cross-reference
successor
FF-P-101 TYEFUpgraded Successor
successor cross-reference
successor
FF-P-101 TYEPAUpgraded Successor
successor cross-reference
successor
K436Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 179LH?
179LH is a PADLOCK.
What parts can replace 179LH?
There are 21 known substitutes for 179LH: 178A, FFP101, MDLAC20 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 179LH?
179LH is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-292-0896. This indicates validated use in U.S. government and defense supply chains.
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