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255643 — CASE,COMBUSTION CHAMBER,AIRCRAFT

✓ Government record, cited
Equip · ORING SEAL
PRODUCT OVERVIEW

255643: CASE,COMBUSTION CHAMBER,AIRCRAFT.

The equip® Optical Fiber Pigtail is made of superior materials to ensure an end-face geometry connection with lower return loss and insertion loss. The Fiber Optic Patch Cord series comes with a comprehensive collection of lengths and connectors to fulfill your demand for the deployment.  This part is cataloged in the U.S. Government catalog under NSN 5330-00-093-4758, 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
255643
NSN: 5330-00-093-4758
NIINs: 000934758, 014171398
FSC: 5330 — Packing and Gasket Materials
CAGE: 31577 — JAEGER MACHINE CO (USA)
SPECIFICATIONS
end_item_identificationCRUSADER F8E FN, ATELIER INDUSTRIEL AERONAUTIQUE
NSN5330-00-093-4758
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 255643 MFR: Equip ⚠ 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
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CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 3.000 INCHES NOMINAL IN
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STYLE DESIGNATOR: NON-CIRCULAR
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CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
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APERTURE DIAMETER: 4.375 INCHES NOMINAL IN
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BOLT HOLE QUANTITY: 5
•
BOLT CIRCLE DIAMETER: 6.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER3.000 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH7.938 INCHES NOMINAL IN
APERTURE DIAMETER4.375 INCHES NOMINAL IN
BOLT HOLE QUANTITY5
BOLT CIRCLE DIAMETER6.688 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.625 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 255643?
255643 is a CASE,COMBUSTION CHAMBER,AIRCRAFT manufactured by Equip.
What is the NSN for 255643?
255643 is cataloged in the U.S. Government catalog under NSN 5330-00-093-4758. This indicates validated use in U.S. government and defense supply chains.
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