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Technical Data Sheet

1/2X1X1/4-2871 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1/2X1X1/4-2871: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: GLASS AND NICKEL ALLOY OVERALL, joint_type: SCARF-PERIPHERAL OVERALL, special_features: MATERIAL NON-ASBESTOS, peripheral_diameter: 1.000 INCHES NOMINAL IN, center_hole_diameter: 0.500 INCHES NOMINAL IN, cross-sectional_height: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-377-1578, 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
1/2X1X1/4-2871
NSN: 5330-01-377-1578
FSC: 5330 — Packing and Gasket Materials
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
materialGLASS AND NICKEL ALLOY OVERALL
joint_typeSCARF-PERIPHERAL OVERALL
special_featuresMATERIAL NON-ASBESTOS
peripheral_diameter1.000 INCHES NOMINAL IN
center_hole_diameter0.500 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTS
material_document_and_classification2871, CAGE 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-377-1578
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1/2X1X1/4-2871 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: 0.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 2871, CAGE 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 1.000 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTS
•
MATERIAL: GLASS AND NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION2871, CAGE 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER1.000 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL NON-ASBESTOS
CENTER HOLE DIAMETER0.500 INCHES NOMINAL IN
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
MATERIALGLASS AND NICKEL ALLOY OVERALL
JOINT TYPESCARF-PERIPHERAL 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1/2X1X1/4-2871?
1/2X1X1/4-2871 is a PACKING,PREFORMED.
What is the NSN for 1/2X1X1/4-2871?
1/2X1X1/4-2871 is cataloged in the U.S. Government catalog under NSN 5330-01-377-1578. This indicates validated use in U.S. government and defense supply chains.
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