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S43-2640 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S43-2640: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-055-2857, 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
S43-2640
NSN: 5330-01-055-2857
FSC: 5330 — Packing and Gasket Materials
CAGE: 5F573 — GREENE TWEED & CO INC (USA)
SPECIFICATIONS
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
NSN5330-01-055-2857
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S43-2640 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: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
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 5
7110MS-160-TReference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL1721554Reference document
Same NSN cross-reference
Reference document — Informative reference only
S43-008Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL1721538Reference document
Same NSN cross-reference
Reference document — Informative reference only
5330PL0797421Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S43-2640?
S43-2640 is a PACKING,PREFORMED.
What parts can replace S43-2640?
There are 5 known substitutes for S43-2640: 7110MS-160-T, 5330PL1721554, S43-008 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S43-2640?
S43-2640 is cataloged in the U.S. Government catalog under NSN 5330-01-055-2857. This indicates validated use in U.S. government and defense supply chains.
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