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524356-1 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

524356-1: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: PLASTIC, drive_type: SCREW SLOT, design_type: THREADED, thread_class: 2A A, overall_diameter: 0.500 INCHES NOMINAL IN, features_provided: SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-720-5824, 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
524356-1
NSN: 5340-00-720-5824
FSC: 5340 — Hardware, Commercial
CAGE: 97945 — PENNWALT CORP S S WHITE INDUSTRIAL PRODUCTS DIV (USA)
SPECIFICATIONS
materialPLASTIC
drive_typeSCREW SLOT
design_typeTHREADED
thread_class2A A
overall_diameter0.500 INCHES NOMINAL IN
features_providedSHOULDER
thread_size_and_series/type_designator5/16-24 UNF
NSN5340-00-720-5824
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 524356-1 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
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
DRIVE TYPE: SCREW SLOT
•
FEATURES PROVIDED: SHOULDER
•
THREAD CLASS: 2A A
•
MATERIAL: PLASTIC
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 5/16-24 UNF
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
OVERALL DIAMETER0.500 INCHES NOMINAL IN
DRIVE TYPESCREW SLOT
FEATURES PROVIDEDSHOULDER
THREAD CLASS2A A
MATERIALPLASTIC
THREAD SIZE AND SERIES/TYPE DESIGNATOR5/16-24 UNF
SUBSTITUTES & CROSS-REFERENCES 2
MP-72Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
1604-72Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 524356-1?
524356-1 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 524356-1?
There are 2 known substitutes for 524356-1: MP-72, 1604-72. Substitute compatibility should be verified for your specific system.
What is the NSN for 524356-1?
524356-1 is cataloged in the U.S. Government catalog under NSN 5340-00-720-5824. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.