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D171-300-7PC311 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D171-300-7PC311: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, peripheral_diameter: 0.875 INCHES NOMINAL IN, center_hole_diameter: 0.500 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN, cross-sectional_thickness: 0.125 INCHES NOMINAL IN, cross-sectional_shape_style: FLANGE. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-034-8251, 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
D171-300-7PC311
NSN: 5330-01-034-8251
FSC: 5330 — Packing and Gasket Materials
CAGE: 11440 — GE STEAM POWER INC DBA GE STEAM POWER, INC DIV GENERAL ELECTRIC (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
peripheral_diameter0.875 INCHES NOMINAL IN
center_hole_diameter0.500 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleFLANGE
flanged_body_outside_diameter0.750 INCHES NOMINAL IN
NSN5330-01-034-8251
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D171-300-7PC311 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 THICKNESS: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLANGE
•
FLANGED BODY OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 0.875 INCHES NOMINAL IN
•
COLOR: WHITE
•
CENTER HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLANGE
FLANGED BODY OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
PERIPHERAL DIAMETER0.875 INCHES NOMINAL IN
COLORWHITE
CENTER HOLE DIAMETER0.500 INCHES NOMINAL IN
MATERIALPLASTIC 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 1
D171-300-7Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 D171-300-7PC311?
D171-300-7PC311 is a PACKING,PREFORMED.
What parts can replace D171-300-7PC311?
There is 1 known substitute for D171-300-7PC311: D171-300-7. Substitute compatibility should be verified for your specific system.
What is the NSN for D171-300-7PC311?
D171-300-7PC311 is cataloged in the U.S. Government catalog under NSN 5330-01-034-8251. This indicates validated use in U.S. government and defense supply chains.
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