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Technical Data Sheet
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125-123 — O-RING

✓ Government record, cited
Hama · ORING SEAL
PRODUCT OVERVIEW

125-123: O-RING.

Variable angle adjustment Variable angle adjustment at two joints for optimised viewing angles: e.g. flat for surfing and writing, steep for photos and videos Horizontal and vertical For horizontal or vertical use Non-slip rubber Non-slip rubber protects against scratches and ensures a perfect grip Non-slip base feet Non-slip base feet for a stable position also protect the resting surface from scratches Stand function Stand function for easy positioning of the device This part is cataloged in the U.S. Government catalog under NSN 5331-00-290-8776, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
125-123
NSN: 5331-00-290-8776
FSC: 5331 — O-ring
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
cross-sectional_height0.125 INCHES NOMINAL IN
NSN5331-00-290-8776
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 125-123 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: 0.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 1
810640Reference 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 125-123?
125-123 is a O-RING manufactured by Hama.
What parts can replace 125-123?
There is 1 known substitute for 125-123: 810640. Substitute compatibility should be verified for your specific system.
What is the NSN for 125-123?
125-123 is cataloged in the U.S. Government catalog under NSN 5331-00-290-8776. This indicates validated use in U.S. government and defense supply chains.
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