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Technical Data Sheet

M8791/1-333 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M8791/1-333: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include cut_type: DIAGONAL OVERALL, material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-BUTT OVERALL, peripheral_diameter: 2.864 INCHES NOMINAL IN, center_hole_diameter: 2.497 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN, cross-sectional_height: 0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-490-9645, 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
M8791/1-333
NSN: 5330-01-490-9645
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
cut_typeDIAGONAL OVERALL
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-BUTT OVERALL
peripheral_diameter2.864 INCHES NOMINAL IN
center_hole_diameter2.497 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN
cross-sectional_height0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationAS8791/1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-490-9645
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M8791/1-333 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: 0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AS8791/1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CUT TYPE: DIAGONAL OVERALL
•
PERIPHERAL DIAMETER: 2.864 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.497 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
JOINT TYPE: SCARF-BUTT OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAS8791/1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER2.864 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.497 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-BUTT 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 2
AS8791/1-333Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS8791/1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M8791/1-333?
M8791/1-333 is a RETAINER,PACKING.
What parts can replace M8791/1-333?
There are 2 known substitutes for M8791/1-333: AS8791/1-333, SAE-AS8791/1. Substitute compatibility should be verified for your specific system.
What is the NSN for M8791/1-333?
M8791/1-333 is cataloged in the U.S. Government catalog under NSN 5330-01-490-9645. This indicates validated use in U.S. government and defense supply chains.
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