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Technical Data Sheet

M8791/1-431 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M8791/1-431: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include cut_type: DIAGONAL OVERALL, material: PLASTIC TETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-PERIPHERAL RETAINER, peripheral_diameter: 5.775 INCHES NOMINAL IN, center_hole_diameter: 5.300 INCHES MINIMUM AND 5.302 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-834-6675, 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
M8791/1-431
NSN: 5330-00-834-6675
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
cut_typeDIAGONAL OVERALL
materialPLASTIC TETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-PERIPHERAL RETAINER
peripheral_diameter5.775 INCHES NOMINAL IN
center_hole_diameter5.300 INCHES MINIMUM AND 5.302 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-834-6675
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M8791/1-431 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: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CUT TYPE: DIAGONAL OVERALL
•
PERIPHERAL DIAMETER: 5.775 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 5.300 INCHES MINIMUM AND 5.302 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC TETRAFLUOROETHYLENE OVERALL
•
JOINT TYPE: SCARF-PERIPHERAL RETAINER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER5.775 INCHES NOMINAL IN
CENTER HOLE DIAMETER5.300 INCHES MINIMUM AND 5.302 INCHES MAXIMUM IN
MATERIALPLASTIC TETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-PERIPHERAL RETAINER
SUBSTITUTES & CROSS-REFERENCES 3
MS28774-431Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS28774Reference document
Same NSN cross-reference
Reference document — Identification reference
SAE-AS8791Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M8791/1-431?
M8791/1-431 is a RETAINER,PACKING.
What parts can replace M8791/1-431?
There are 3 known substitutes for M8791/1-431: MS28774-431, MS28774, SAE-AS8791. Substitute compatibility should be verified for your specific system.
What is the NSN for M8791/1-431?
M8791/1-431 is cataloged in the U.S. Government catalog under NSN 5330-00-834-6675. This indicates validated use in U.S. government and defense supply chains.
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