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1836A21 — PADLOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1836A21: PADLOCK.

The PADLOCK is a the manufacturer industrial component. Key specifications include material: ZINC AND PLASTIC BODY, overall_width: 2.312 INCHES NOMINAL IN, overall_height: 2.437 INCHES NOMINAL IN, shackle_diameter: 0.312 INCHES NOMINAL IN, special_features: RESETTABLE COMBINATION, WEATHER RESISTANT COVERED BOTTOM., features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-588-7273, 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
1836A21
NSN: 5340-01-588-7273
FSC: 5340 — Hardware, Commercial
CAGE: 07BY4 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialZINC AND PLASTIC BODY
overall_width2.312 INCHES NOMINAL IN
overall_height2.437 INCHES NOMINAL IN
shackle_diameter0.312 INCHES NOMINAL IN
special_featuresRESETTABLE COMBINATION, WEATHER RESISTANT COVERED BOTTOM.
features_providedCASEHARDENED
overall_thickness1.125 INCHES NOMINAL IN
shackle_clearance2.500 INCHES NOMINAL IN
operating_mechanism_typeCOMBINATION
combination_knob_quantity4
NSN5340-01-588-7273
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1836A21 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
•
COMBINATION KNOB QUANTITY: 4
•
SHACKLE CLEARANCE: 2.500 INCHES NOMINAL IN
•
OVERALL THICKNESS: 1.125 INCHES NOMINAL IN
•
OPERATING MECHANISM TYPE: COMBINATION
•
FEATURES PROVIDED: CASEHARDENED
•
COLOR: GRAY/GREY AND BLACK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.437 INCHES NOMINAL IN
COMBINATION KNOB QUANTITY4
SHACKLE CLEARANCE2.500 INCHES NOMINAL IN
OVERALL THICKNESS1.125 INCHES NOMINAL IN
OPERATING MECHANISM TYPECOMBINATION
FEATURES PROVIDEDCASEHARDENED
OVERALL WIDTH2.312 INCHES NOMINAL IN
COLORGRAY/GREY AND BLACK
SPECIAL FEATURESRESETTABLE COMBINATION, WEATHER RESISTANT COVERED BOTTOM.
MATERIALSTEEL SHACKLE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
7511E90-ITEM23Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
1836A22Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1836A21?
1836A21 is a PADLOCK.
What parts can replace 1836A21?
There are 2 known substitutes for 1836A21: 7511E90-ITEM23, 1836A22. Substitute compatibility should be verified for your specific system.
What is the NSN for 1836A21?
1836A21 is cataloged in the U.S. Government catalog under NSN 5340-01-588-7273. This indicates validated use in U.S. government and defense supply chains.
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