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Technical Data Sheet
PartsTable / COMPONENT / PDM-7683
PDM-7683 ✓ 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 BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-578-1490, 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
PDM-7683
NSN: 5340-01-578-1490
FSC: 5340
CAGE: 6D0J1 — PLASTIC DIP MOLDINGS INC (USA)
SPECIFICATIONS
Part NumberPDM-7683
NSN5340-01-578-1490
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PDM-7683 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
121116Interchangeable
interchangeable cross-reference
interchangeable
7683Interchangeable
interchangeable cross-reference
interchangeable
2-3900Interchangeable
interchangeable cross-reference
interchangeable
21K27Interchangeable
interchangeable cross-reference
interchangeable
RELEASE2836Interchangeable
interchangeable cross-reference
interchangeable
BPE-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PDM-7683?
PDM-7683 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace PDM-7683?
There are 14 known substitutes for PDM-7683: 121116, 7683, 2-3900 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PDM-7683?
PDM-7683 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-578-1490. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026