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Technical Data Sheet
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195402 — O-RING

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

195402: O-RING.

- Anti-bacterial effect prevents bacterial growth thanks to highly efficient silver ions in the cover surface - Form-fitting, stable hard cover with scratch protection finish for long-lasting cover protection - The design of the smartphone remains visible - Protects the back of the smartphone from dirt and scratches This part is cataloged in the U.S. Government catalog under NSN 5331-01-483-2253, 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
195402
NSN: 5331-01-483-2253
FSC: 5331 — O-ring
CAGE: 98523 — JERED LLC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
hardness_rating90.0 SHORE DUROMETER A NOMINAL
center_hole_diameter1.171 INCHES NOMINAL IN
cross-sectional_height0.116 INCHES NOMINAL IN
end_item_identificationLAUNCHING ACCESSORIES
criticality_code_justificationAGAV
material_document_and_classificationAMS 7259 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-01-483-2253
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 195402 MFR: Hama ⚠ 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: 0.116 INCHES NOMINAL IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7259 ASSN STD SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 1.171 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.116 INCHES NOMINAL IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
CRITICALITY CODE JUSTIFICATIONAGAV
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7259 ASSN STD SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER1.171 INCHES NOMINAL IN
END ITEM IDENTIFICATIONLAUNCHING ACCESSORIES
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 5
AS3581-916Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
D4000FF-B16.24 ITEM 19Reference document
Same NSN cross-reference
Reference document — Secondary reference
20961K001 FIND NO 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5331PL2135752Reference document
Same NSN cross-reference
Reference document — Informative reference only
SAE-AS3581Reference 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 195402?
195402 is a O-RING manufactured by Hama.
What parts can replace 195402?
There are 5 known substitutes for 195402: AS3581-916, D4000FF-B16.24 ITEM 19, 20961K001 FIND NO 6 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 195402?
195402 is cataloged in the U.S. Government catalog under NSN 5331-01-483-2253. This indicates validated use in U.S. government and defense supply chains.
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