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556-7015842-16 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

556-7015842-16: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-PERIPHERAL OVERALL, peripheral_diameter: 3.860 INCHES MINIMUM AND 3.866 INCHES MAXIMUM IN, center_hole_diameter: 3.496 INCHES MINIMUM AND 3.498 INCHES MAXIMUM IN, cross-sectional_height: 0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-483-0779, 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
556-7015842-16
NSN: 5330-01-483-0779
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-PERIPHERAL OVERALL
peripheral_diameter3.860 INCHES MINIMUM AND 3.866 INCHES MAXIMUM IN
center_hole_diameter3.496 INCHES MINIMUM AND 3.498 INCHES MAXIMUM IN
cross-sectional_height0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
specification/standard_data81349-MIL-R-8791 REV D/CANCELED/ GOVERNMENT SPECIFICATION
material_document_and_classificationAS8791 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-483-0779
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 556-7015842-16 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 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
SPECIFICATION/STANDARD DATA: 81349-MIL-R-8791 REV D/CANCELED/ GOVERNMENT SPECIFICATION
•
PERIPHERAL DIAMETER: 3.860 INCHES MINIMUM AND 3.866 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.496 INCHES MINIMUM AND 3.498 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
JOINT TYPE: SCARF-PERIPHERAL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAS8791 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
SPECIFICATION/STANDARD DATA81349-MIL-R-8791 REV D/CANCELED/ GOVERNMENT SPECIFICATION
PERIPHERAL DIAMETER3.860 INCHES MINIMUM AND 3.866 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.496 INCHES MINIMUM AND 3.498 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-PERIPHERAL OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
SAE-AS8791/1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
M8791/1-341Reference document
Same NSN cross-reference
Reference document — Secondary reference
M8791Reference document
Same NSN cross-reference
Reference document — Secondary reference
H791-6201-16Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 556-7015842-16?
556-7015842-16 is a RETAINER,PACKING.
What parts can replace 556-7015842-16?
There are 4 known substitutes for 556-7015842-16: SAE-AS8791/1, M8791/1-341, M8791 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 556-7015842-16?
556-7015842-16 is cataloged in the U.S. Government catalog under NSN 5330-01-483-0779. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.