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Technical Data Sheet
PartsTable / O-RING / 129,77X3,53-24B7
129,77X3,53-24B7 ✓ 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 129,77X3,53-24B7 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-039-3076, 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
129,77X3,53-24B7
NSN: 5331-01-039-3076
FSC: 5331 — O-RING
CAGE: F8226 — STACEM (FRA)
SPECIFICATIONS
Part Number129,77X3,53-24B7
NSN5331-01-039-3076
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 129,77X3,53-24B7 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
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
CENTER HOLE DIAMETER: 5.074 INCHES MINIMUM AND 5.144 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
•
OUTSIDE DIAMETER: 5.387 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 3.530 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
ELONGATION PERCENTAGE160 MAXIMUM
CENTER HOLE DIAMETER5.074 INCHES MINIMUM AND 5.144 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
OUTSIDE DIAMETER5.387 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT3.530 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
07-635273Interchangeable
interchangeable cross-reference
interchangeable
ARP568-252Interchangeable
interchangeable cross-reference
interchangeable
MS28775-251Interchangeable
interchangeable cross-reference
interchangeable
SD13Interchangeable
interchangeable cross-reference
interchangeable
2-251Interchangeable
interchangeable cross-reference
interchangeable
WF421Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 129,77X3,53-24B7?
129,77X3,53-24B7 is a 129,77X3,53-24B7.
What parts can replace 129,77X3,53-24B7?
There are 24 known substitutes for 129,77X3,53-24B7: 07-635273, ARP568-252, MS28775-251 and 21 more. Substitute compatibility should be verified for your specific system.
Is 129,77X3,53-24B7 still available?
129,77X3,53-24B7 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026