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40689A — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

40689A: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include angle: 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM, material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, rim_surface_width: 0.104 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN, peripheral_diameter: 0.557 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN, center_hole_diameter: 0.365 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN, cross-sectional_height: 0.136 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-376-7189, 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
40689A
NSN: 5330-00-376-7189
FSC: 5330 — Packing and Gasket Materials
CAGE: 73760 — ITT AEROSPACE CONTROLS LLC DBA ITT AEROSPACE CONTROLS UNIT S (USA)
SPECIFICATIONS
angle43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
rim_surface_width0.104 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
peripheral_diameter0.557 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN
center_hole_diameter0.365 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
cross-sectional_height0.136 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
cross-sectional_shape_styleANGLE
material_document_and_classificationAMS 3656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-376-7189
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40689A 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: 0.136 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
RIM SURFACE WIDTH: 0.104 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: ANGLE
•
ANGLE: 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
•
PERIPHERAL DIAMETER: 0.557 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.365 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.136 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
RIM SURFACE WIDTH0.104 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEANGLE
ANGLE43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
PERIPHERAL DIAMETER0.557 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.365 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 40689A?
40689A is a PACKING,PREFORMED.
What is the NSN for 40689A?
40689A is cataloged in the U.S. Government catalog under NSN 5330-00-376-7189. This indicates validated use in U.S. government and defense supply chains.
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