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Technical Data Sheet

M8791/1-018 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M8791/1-018: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include cut_type: DIAGONAL CASE, material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-PERIPHERAL CASE, peripheral_diameter: 0.857 INCHES NOMINAL IN, center_hole_diameter: 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN, cross-sectional_height: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-839-1846, 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
M8791/1-018
NSN: 5330-00-839-1846
NIINs: 008391846, 014083586
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
cut_typeDIAGONAL CASE
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-PERIPHERAL CASE
peripheral_diameter0.857 INCHES NOMINAL IN
center_hole_diameter0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
cross-sectional_height0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-839-1846
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M8791/1-018 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: 0.045 INCHES MINIMUM AND 0.052 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: 0.872 INCHES MINIMUM AND 0.876 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.767 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC TETRAFLUOROETHYLENE OVERALL
•
JOINT TYPE: SCARF-PERIPHERAL RETAINER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER0.872 INCHES MINIMUM AND 0.876 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.767 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
MATERIALPLASTIC TETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-PERIPHERAL RETAINER
SUBSTITUTES & CROSS-REFERENCES 9
MS28774-018Reference document
Same NSN cross-reference
Reference document — Secondary reference
5041-2018Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
F3C10272-7Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5040-4011Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS28744-018Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL1383062Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M8791/1-018?
M8791/1-018 is a RETAINER,PACKING.
What parts can replace M8791/1-018?
There are 9 known substitutes for M8791/1-018: MS28774-018, 5041-2018, F3C10272-7 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M8791/1-018?
M8791/1-018 is cataloged in the U.S. Government catalog under NSN 5330-00-839-1846. This indicates validated use in U.S. government and defense supply chains.
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