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Technical Data Sheet
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12938295 ✓ 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 RING,WIPER is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, ring_style: CONCENTRIC, inside_diameter: 3.625 INCHES NOMINAL IN, outside_diameter: 4.250 INCHES NOMINAL IN, material_thickness: 0.395 INCHES NOMINAL IN, outer_edge_thickness: 0.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-376-0434, 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
12938295
NSN: 5330-01-376-0434
FSC: 5330
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
ring_styleCONCENTRIC
inside_diameter3.625 INCHES NOMINAL IN
outside_diameter4.250 INCHES NOMINAL IN
material_thickness0.395 INCHES NOMINAL IN
outer_edge_thickness0.250 INCHES NOMINAL IN
end_item_identificationM119A1 TOWED HOWITZER
cross-sectional_shape_styleOUTSIDE GROOVED AND BEVELED, STRAIGHT FACE
NSN5330-01-376-0434
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12938295 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
•
CROSS-SECTIONAL SHAPE STYLE: OUTSIDE GROOVED AND BEVELED, STRAIGHT FACE
•
INSIDE DIAMETER: 3.625 INCHES NOMINAL IN
•
OUTER EDGE THICKNESS: 0.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.395 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.250 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
MATERIAL: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEOUTSIDE GROOVED AND BEVELED, STRAIGHT FACE
INSIDE DIAMETER3.625 INCHES NOMINAL IN
OUTER EDGE THICKNESS0.250 INCHES NOMINAL IN
END ITEM IDENTIFICATIONM119A1 TOWED HOWITZER
MATERIAL THICKNESS0.395 INCHES NOMINAL IN
OUTSIDE DIAMETER4.250 INCHES NOMINAL IN
RING STYLECONCENTRIC
MATERIALUNABLE TO DECODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
D3-625Interchangeable
interchangeable cross-reference
interchangeable
G79-24Interchangeable
interchangeable cross-reference
interchangeable
C536-25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12938295?
12938295 is a RING,WIPER.
What parts can replace 12938295?
There are 3 known substitutes for 12938295: D3-625, G79-24, C536-25. Substitute compatibility should be verified for your specific system.
What is the NSN for 12938295?
12938295 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-376-0434. 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