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Technical Data Sheet

M8791/1-123 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M8791/1-123: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include angle: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM, material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-PERIPHERAL BOTH ENDS CUT, peripheral_diameter: 1.362 INCHES NOMINAL IN, center_hole_diameter: 1.189 INCHES MINIMUM AND 1.191 INCHES MAXIMUM IN, distance_between_ends: 0.093 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-285-1782, 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
M8791/1-123
NSN: 5330-01-285-1782
NIINs: 012851782, 013517971
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
angle25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-PERIPHERAL BOTH ENDS CUT
peripheral_diameter1.362 INCHES NOMINAL IN
center_hole_diameter1.189 INCHES MINIMUM AND 1.191 INCHES MAXIMUM IN
distance_between_ends0.093 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
cross-sectional_height0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationMIL-R-8791/1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-285-1782
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M8791/1-123 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CUT TYPE: DIAGONAL OVERALL
•
PERIPHERAL DIAMETER: 1.376 INCHES MINIMUM AND 1.382 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.206 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
•
CROSS SECTION OUTSIDE DIAMETER: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
JOINT TYPE: SCARF-PERIPHERAL RETAINER
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER1.376 INCHES MINIMUM AND 1.382 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.206 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN
CROSS SECTION OUTSIDE DIAMETER0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-PERIPHERAL RETAINER
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
SUBSTITUTES & CROSS-REFERENCES 4
MS28774-123CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
V3D10076 PIECE 19CPReference document
Same NSN cross-reference
Reference document — Secondary reference
MS28774-123Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MIL-R-8791/1-12 3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 M8791/1-123?
M8791/1-123 is a RETAINER,PACKING.
What parts can replace M8791/1-123?
There are 4 known substitutes for M8791/1-123: MS28774-123CP, V3D10076 PIECE 19CP, MS28774-123 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M8791/1-123?
M8791/1-123 is cataloged in the U.S. Government catalog under NSN 5330-01-285-1782. This indicates validated use in U.S. government and defense supply chains.
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