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7705786 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7705786: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: IRON CAST OVERALL, attachment_method: ROUND HOLE, body_recess_depth: 0.031 INCHES NOMINAL IN, peripheral_diameter: 3.406 INCHES NOMINAL IN, body_recess_diameter: 2.625 INCHES NOMINAL IN, center_hole_diameter: 1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-770-5786, 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
7705786
NSN: 5330-00-770-5786
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialIRON CAST OVERALL
attachment_methodROUND HOLE
body_recess_depth0.031 INCHES NOMINAL IN
peripheral_diameter3.406 INCHES NOMINAL IN
body_recess_diameter2.625 INCHES NOMINAL IN
center_hole_diameter1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
cross-sectional_height0.750 INCHES NOMINAL IN
attachment_hole_diameter0.344 INCHES NOMINAL IN
cross-sectional_thickness0.219 INCHES NOMINAL IN
attachment_feature_quantity3
flanged_body_outside_diameter2.188 INCHES NOMINAL IN
NSN5330-00-770-5786
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7705786 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
•
ATTACHMENT HOLE DIAMETER: 0.344 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 3
•
CROSS-SECTIONAL THICKNESS: 0.219 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.750 INCHES NOMINAL IN
•
BODY RECESS DIAMETER: 2.625 INCHES NOMINAL IN
•
FLANGED BODY OUTSIDE DIAMETER: 2.188 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 3.406 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.344 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY3
CROSS-SECTIONAL THICKNESS0.219 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.750 INCHES NOMINAL IN
BODY RECESS DIAMETER2.625 INCHES NOMINAL IN
FLANGED BODY OUTSIDE DIAMETER2.188 INCHES NOMINAL IN
PERIPHERAL DIAMETER3.406 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
MATERIALIRON CAST OVERALL
BODY RECESS DEPTH0.031 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
12511Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7705786?
7705786 is a RETAINER,PACKING.
What parts can replace 7705786?
There is 1 known substitute for 7705786: 12511. Substitute compatibility should be verified for your specific system.
What is the NSN for 7705786?
7705786 is cataloged in the U.S. Government catalog under NSN 5330-00-770-5786. This indicates validated use in U.S. government and defense supply chains.
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