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30900-35 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

30900-35: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, hardness_rating: 70.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MINIMUM AND 80.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MAXIMUM, center_hole_diameter: 2.221 INCHES MINIMUM AND 2.257 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, material_document_and_classification: MIL-R-83248/1, CL1 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-400-1909, 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
30900-35
NSN: 5331-01-400-1909
FSC: 5331 — O-ring
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialRUBBER
hardness_rating70.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MINIMUM AND 80.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MAXIMUM
center_hole_diameter2.221 INCHES MINIMUM AND 2.257 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
material_document_and_classificationMIL-R-83248/1, CL1 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-01-400-1909
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 30900-35 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 HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MINIMUM AND 80.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248/1, CL1 MIL SPEC SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 2.221 INCHES MINIMUM AND 2.257 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING70.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MINIMUM AND 80.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248/1, CL1 MIL SPEC SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER2.221 INCHES MINIMUM AND 2.257 INCHES MAXIMUM IN
MATERIALRUBBER
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
7327FT-731-5708Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 30900-35?
30900-35 is a O-RING.
What parts can replace 30900-35?
There is 1 known substitute for 30900-35: 7327FT-731-5708. Substitute compatibility should be verified for your specific system.
What is the NSN for 30900-35?
30900-35 is cataloged in the U.S. Government catalog under NSN 5331-01-400-1909. This indicates validated use in U.S. government and defense supply chains.
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