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785-7658 — PACKING WITH RETAINER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

785-7658: PACKING WITH RETAINER.

The PACKING WITH RETAINER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC PACKING, construction: ONE-PIECE, outside_diameter: 1.177 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN, surface_treatment: CADMIUM RETAINER, retainer_thickness: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-039-3874, 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
785-7658
NSN: 5330-01-039-3874
FSC: 5330 — Packing and Gasket Materials
CAGE: 71342 — IMI CASH VALVE INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC PACKING
constructionONE-PIECE
outside_diameter1.177 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN
surface_treatmentCADMIUM RETAINER
retainer_thickness0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
NSN5330-01-039-3874
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 785-7658 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
•
OUTSIDE DIAMETER: 1.177 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN
•
RETAINER THICKNESS: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM RETAINER
•
MATERIAL: RUBBER SYNTHETIC PACKING
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.177 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN
RETAINER THICKNESS0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM RETAINER
MATERIALRUBBER SYNTHETIC PACKING
MATERIALSTEEL RETAINER
CONSTRUCTIONONE-PIECE
SUBSTITUTES & CROSS-REFERENCES 1
7500-5/8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 785-7658?
785-7658 is a PACKING WITH RETAINER.
What parts can replace 785-7658?
There is 1 known substitute for 785-7658: 7500-5/8. Substitute compatibility should be verified for your specific system.
What is the NSN for 785-7658?
785-7658 is cataloged in the U.S. Government catalog under NSN 5330-01-039-3874. 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.