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AS568-021AS8791 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS568-021AS8791: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include peripheral_diameter: 1.066 INCHES NOMINAL IN, center_hole_diameter: 0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE, material_document_and_classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-072-3278, 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
AS568-021AS8791
NSN: 5330-01-072-3278
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
peripheral_diameter1.066 INCHES NOMINAL IN
center_hole_diameter0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE
material_document_and_classificationMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-072-3278
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568-021AS8791 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
•
PERIPHERAL DIAMETER: 1.066 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE
PERIPHERAL DIAMETER1.066 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
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 3
S11109-021Reference document
Same NSN cross-reference
Reference document — Secondary reference
16606A07-94Reference document
Same NSN cross-reference
Reference document — Secondary reference
ARP568-021Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS568-021AS8791?
AS568-021AS8791 is a PACKING,PREFORMED.
What parts can replace AS568-021AS8791?
There are 3 known substitutes for AS568-021AS8791: S11109-021, 16606A07-94, ARP568-021. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-021AS8791?
AS568-021AS8791 is cataloged in the U.S. Government catalog under NSN 5330-01-072-3278. This indicates validated use in U.S. government and defense supply chains.
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