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S346SSH28 — STRAP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S346SSH28: STRAP,RETAINING.

The STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: INCLUDED, material: RUBBER SILICONE CLASS Q CUSHIONING, mounting_pad: NOT INCLUDED, style_designator: CURVED ARCH, surface_treatment: PASSIVATE, material_thickness: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-191-7776, 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
S346SSH28
NSN: 5340-01-191-7776
FSC: 5340 — Hardware, Commercial
CAGE: 18076 — UMPCO, INC. DBA UMPCO INC (USA)
SPECIFICATIONS
cushionINCLUDED
materialRUBBER SILICONE CLASS Q CUSHIONING
mounting_padNOT INCLUDED
style_designatorCURVED ARCH
surface_treatmentPASSIVATE
material_thickness0.031 INCHES NOMINAL IN
mounting_hole_size0.204 INCHES NOMINAL IN
inside_diameter/arch_length1.750 INCHES NOMINAL IN
material_document_and_classificationAMS 3303 ASSN STD SINGLE MATERIAL RESPONSE CUSHIONING
distance_between_mounting_hole_centers2.562 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch1.781 INCHES NOMINAL IN
NSN5340-01-191-7776
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S346SSH28 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
•
MOUNTING HOLE SIZE: 0.204 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 2.562 INCHES NOMINAL IN
•
MOUNTING PAD: NOT INCLUDED
•
STYLE DESIGNATOR: CURVED ARCH
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3303 ASSN STD SINGLE MATERIAL RESPONSE CUSHIONING
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
•
CUSHION: INCLUDED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.204 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS2.562 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
STYLE DESIGNATORCURVED ARCH
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3303 ASSN STD SINGLE MATERIAL RESPONSE CUSHIONING
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 302 FED STD 66 ASSN STD 1ST MATERIAL RESPONSE OR AISI 321 FED STD 66 ASSN STD 2ND MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
CUSHIONINCLUDED
DISTANCE BETWEEN BASE AND INSIDE OF ARCH1.781 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
5262596Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S346SSH28?
S346SSH28 is a STRAP,RETAINING.
What parts can replace S346SSH28?
There is 1 known substitute for S346SSH28: 5262596. Substitute compatibility should be verified for your specific system.
What is the NSN for S346SSH28?
S346SSH28 is cataloged in the U.S. Government catalog under NSN 5340-01-191-7776. This indicates validated use in U.S. government and defense supply chains.
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