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PartsTable / COMPONENT / MIL-R-8791/1-11 7
MIL-R-8791/1-11 7 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The MIL-R-8791/1-11 7 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-020-9516, 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
MIL-R-8791/1-11 7
NSN: 5330-01-020-9516
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberMIL-R-8791/1-11 7
NSN5330-01-020-9516
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-R-8791/1-11 7 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 SHAPE STYLE: SQUARE/RECTANGULAR
•
CENTER HOLE DIAMETER: 0.824 INCHES MINIMUM AND 0.826 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
CUT TYPE: DIAGONAL OVERALL
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
JOINT TYPE: SCARF-PERIPHERAL OVERALL
•
PERIPHERAL DIAMETER: 0.994 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CENTER HOLE DIAMETER0.824 INCHES MINIMUM AND 0.826 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CRITICALITY CODE JUSTIFICATIONZZZW
CUT TYPEDIAGONAL OVERALL
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
JOINT TYPESCARF-PERIPHERAL OVERALL
PERIPHERAL DIAMETER0.994 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
MATERIALPLASTIC TETRAFLUOROETHYLENE OVERALL
CROSS-SECTIONAL HEIGHT0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
5330PL0642553Interchangeable
interchangeable cross-reference
interchangeable
3799400 FIND 24Interchangeable
interchangeable cross-reference
interchangeable
30096-41450 ITEM 26Interchangeable
interchangeable cross-reference
interchangeable
V3D10116 ITEM 30CPInterchangeable
Same NIIN cross-reference
interchangeable
V3D10116 ITEM 30Interchangeable
Same NIIN cross-reference
interchangeable
MS28774-117CPInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-R-8791/1-11 7?
MIL-R-8791/1-11 7 is a MIL-R-8791/1-11 7.
What parts can replace MIL-R-8791/1-11 7?
There are 11 known substitutes for MIL-R-8791/1-11 7: 5330PL0642553, 3799400 FIND 24, 30096-41450 ITEM 26 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-R-8791/1-11 7?
MIL-R-8791/1-11 7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-020-9516. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026