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665881 — SUPPORT,SWITCH,VALVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

665881: SUPPORT,SWITCH,VALVE.

The SUPPORT,SWITCH,VALVE is a the manufacturer industrial component. Key specifications include fsc_application_data: MISCELLANEOUS ENGINE ACCESSORIES,AIRCRAFT, end_item_identification: U/O VALVE,SHUTOFF FSCM 99193 PN 392284-3-1 NSN 2995009742847,E/I C141 A/B ACFT. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-071-8684, 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
665881
NSN: 5330-01-071-8684
NIINs: 010718684, 011678622
FSC: 5330 — Packing and Gasket Materials
CAGE: 9Y580 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
fsc_application_dataMISCELLANEOUS ENGINE ACCESSORIES,AIRCRAFT
end_item_identificationU/O VALVE,SHUTOFF FSCM 99193 PN 392284-3-1 NSN 2995009742847,E/I C141 A/B ACFT
general_characteristics_item_descriptionMATL CRES AMS 5643 17-4PH,1.000 IN. LG,1.000 IN. OD,0.250 IN. ID,0.235 IN. PITCH DIA,2 HOLES 0.109 IN. DIA THRU CSK 80.0 DEG TO 120.0 DEG BY 0.155 IN. DIA,1 HOLE 0.185 IN. DIA THRU IN
NSN5330-01-071-8684
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 665881 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
•
OUTER EDGE THICKNESS: 0.078 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: OUTSIDE GROOVED, STRAIGHT FACE
•
OUTSIDE DIAMETER: 3.312 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.230 INCHES NOMINAL IN
•
INSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
MATERIAL: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS
OUTER EDGE THICKNESS0.078 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEOUTSIDE GROOVED, STRAIGHT FACE
OUTSIDE DIAMETER3.312 INCHES NOMINAL IN
MATERIAL THICKNESS0.230 INCHES NOMINAL IN
INSIDE DIAMETER3.000 INCHES NOMINAL IN
RING STYLECONCENTRIC
MATERIALUNABLE TO DECODE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 665881?
665881 is a SUPPORT,SWITCH,VALVE.
What is the NSN for 665881?
665881 is cataloged in the U.S. Government catalog under NSN 5330-01-071-8684. This indicates validated use in U.S. government and defense supply chains.
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