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M8791-1-339 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M8791-1-339: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-462-1359, 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
M8791-1-339
NSN: 5330-01-462-1359
NIINs: 014621359, 016575926
FSC: 5330 — Packing and Gasket Materials
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
part_name_assigned_by_controlling_agencyO-RING
NSN5330-01-462-1359
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M8791-1-339 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: AS8791/1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CUT TYPE: DIAGONAL OVERALL
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PERIPHERAL DIAMETER: 3.510 INCHES MINIMUM AND 3.616 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.246 INCHES MINIMUM AND 3.248 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAS8791/1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER3.510 INCHES MINIMUM AND 3.616 INCHES MAXIMUM IN
SPECIAL FEATURESSCARF (DIAGONAL) CUT WIDTH, MIN 0.000 INCH TO MAX 0.006 INCH; DIRECTION (ANGLE IN DEG) OF SCARF CUT IS OPTIONAL; USED IN PACKING GROOVES CONFORMING TO MIL-G-5514 AND MIL-P-5514C, D, AND E REVISIONS IN
CENTER HOLE DIAMETER3.246 INCHES MINIMUM AND 3.248 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-BUTT OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
AS8791/1-339Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SAE-AS8791/1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M8791-1-339?
M8791-1-339 is a RETAINER,PACKING.
What parts can replace M8791-1-339?
There are 2 known substitutes for M8791-1-339: AS8791/1-339, SAE-AS8791/1. Substitute compatibility should be verified for your specific system.
What is the NSN for M8791-1-339?
M8791-1-339 is cataloged in the U.S. Government catalog under NSN 5330-01-462-1359. This indicates validated use in U.S. government and defense supply chains.
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