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S49491 — PACKING ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S49491: PACKING ASSEMBLY.

The PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 0.520 INCHES NOMINAL IN, material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR BOTTOM RING, temp_rating: -40.0 FAHRENHEIT AND 130.0 FAHRENHEIT DEGF, inside_diameter: 7.205 INCHES NOMINAL IN, outside_diameter: 7.875 INCHES NOMINAL IN, material_document_and_classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE TOP RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-315-8889, 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
S49491
NSN: 5330-01-315-8889
FSC: 5330 — Packing and Gasket Materials
CAGE: 09257 — TRELLEBORG SEALING SOLUTIONS US, INC. (USA)
SPECIFICATIONS
height0.520 INCHES NOMINAL IN
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR BOTTOM RING
temp_rating-40.0 FAHRENHEIT AND 130.0 FAHRENHEIT DEGF
inside_diameter7.205 INCHES NOMINAL IN
outside_diameter7.875 INCHES NOMINAL IN
material_document_and_classificationMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE TOP RING
NSN5330-01-315-8889
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S49491 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
•
TEMP RATING: -40.0 FAHRENHEIT AND 130.0 FAHRENHEIT DEGF
•
OUTSIDE DIAMETER: 7.875 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE BOTTOM RING
•
INSIDE DIAMETER: 7.205 INCHES NOMINAL IN
•
HEIGHT: 0.520 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TOP RING
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 130.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER7.875 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE BOTTOM RING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE TOP RING
MATERIAL DOCUMENT AND CLASSIFICATIONTURCITE 46,CAGEC 09257 MFR REF ALL MATERIAL RESPONSES OUTER RING
INSIDE DIAMETER7.205 INCHES NOMINAL IN
HEIGHT0.520 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TOP RING
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR BOTTOM RING
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE AND COPPER ALLOY OUTER RING
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
704259-02Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 S49491?
S49491 is a PACKING ASSEMBLY.
What parts can replace S49491?
There is 1 known substitute for S49491: 704259-02. Substitute compatibility should be verified for your specific system.
What is the NSN for S49491?
S49491 is cataloged in the U.S. Government catalog under NSN 5330-01-315-8889. This indicates validated use in U.S. government and defense supply chains.
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