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5263103 — PAD,CUSHIONING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5263103: PAD,CUSHIONING.

The PAD,CUSHIONING is a the manufacturer industrial component. Key specifications include width: 3.531 INCHES NOMINAL IN, length: 3.750 INCHES NOMINAL IN, material: STEEL SUPPORT, thickness: 0.090 INCHES NOMINAL IN, support_method: FRAME, covering_location: OUTER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-526-3103, 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
5263103
NSN: 5340-00-526-3103
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width3.531 INCHES NOMINAL IN
length3.750 INCHES NOMINAL IN
materialSTEEL SUPPORT
thickness0.090 INCHES NOMINAL IN
support_methodFRAME
covering_locationOUTER
material_document_and_classificationQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE SUPPORT
NSN5340-00-526-3103
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5263103 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
•
LENGTH: 3.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-3133 MIL SPEC SINGLE MATERIAL RESPONSE CUSHIONING
•
SUPPORT METHOD: FRAME
•
WIDTH: 3.531 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC CUSHIONING
TECHNICAL CHARACTERISTICS
LENGTH3.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-3133 MIL SPEC SINGLE MATERIAL RESPONSE CUSHIONING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-3065 MIL SPEC SINGLE MATERIAL RESPONSE COVERING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE SUPPORT
SUPPORT METHODFRAME
WIDTH3.531 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC CUSHIONING
MATERIALRUBBER COVERING
MATERIALSTEEL SUPPORT
COVERING LOCATIONOUTER
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5263103?
5263103 is a PAD,CUSHIONING.
What is the NSN for 5263103?
5263103 is cataloged in the U.S. Government catalog under NSN 5340-00-526-3103. 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.