PartsTable
Technical Data Sheet
PartsTable / O-RING / 1003535-P53D
1003535-P53D ✓ 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 O-RING 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 5331-01-259-2461, 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
1003535-P53D
NSN: 5331-01-259-2461
FSC: 5331 — O-RING
CAGE: 00365 — TLD ACE CORP DIV TLD ACE (USA)
SPECIFICATIONS
Part Number1003535-P53D
NSN5331-01-259-2461
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1003535-P53D 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 9
MIL-B-121Interchangeable
interchangeable cross-reference
interchangeable
PK1Interchangeable
interchangeable cross-reference
interchangeable
10150363Interchangeable
interchangeable cross-reference
interchangeable
V3-1001/JV-26Interchangeable
interchangeable cross-reference
interchangeable
28-241Interchangeable
interchangeable cross-reference
interchangeable
PK1AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1003535-P53D?
1003535-P53D is a O-RING.
What parts can replace 1003535-P53D?
There are 9 known substitutes for 1003535-P53D: MIL-B-121, PK1, 10150363 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1003535-P53D?
1003535-P53D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-259-2461. 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