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125-81-3 — CIRCUIT BREAKER

✓ Government record, cited
Hama · MRO · MRO_GENERAL
PRODUCT OVERVIEW

125-81-3: CIRCUIT BREAKER.

- Exclusive wooden frame in a modern design - Incl. premium glass, antireflex coating on one side - Float glass quality, ground and washed - Precision mitre. Key specifications include material: RUBBER SYNTHETIC OVERALL, body_style: SINGLE POLE TYPE, body_width: 0.625 INCHES MAXIMUM IN, body_length: 1.562 INCHES MAXIMUM IN, reset_method: MANUAL, storage_type: GENERAL PURPOSE WAREHOUSE.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-097-1679, 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
MRO→ MRO_GENERAL→ 125-81-3
NSN: 5330-00-097-1679
NIINs: 000971679, 001356136, 014952639
FSC: 5330 — Packing and Gasket Materials
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
body_styleSINGLE POLE TYPE
body_width0.625 INCHES MAXIMUM IN
body_length1.562 INCHES MAXIMUM IN
reset_methodMANUAL
storage_typeGENERAL PURPOSE WAREHOUSE
pole_quantity1
bushing_length0.280 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
fragility_factorMODERATELY RUGGED
actuator_functionTRIP-RESET
inner_groove_width0.250 INCHES NOMINAL IN
NSN5330-00-097-1679
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 125-81-3 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
•
OUTER GROOVE DEPTH: 0.016 INCHES NOMINAL IN
•
OUTER GROOVE SMALLEST WIDTH: 0.109 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.500 INCHES NOMINAL IN
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 6.750 INCHES NOMINAL IN
•
OUTER GROOVE WIDTH: 0.141 INCHES NOMINAL IN
•
INNER GROOVE WIDTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTER GROOVE DEPTH0.016 INCHES NOMINAL IN
OUTER GROOVE SMALLEST WIDTH0.109 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER6.750 INCHES NOMINAL IN
OUTER GROOVE WIDTH0.141 INCHES NOMINAL IN
INNER GROOVE WIDTH0.250 INCHES NOMINAL IN
CENTER HOLE DIAMETER6.062 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 125-81-3?
125-81-3 is a CIRCUIT BREAKER manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 125-81-3?
125-81-3 is cataloged in the U.S. Government catalog under NSN 5330-00-097-1679. This indicates validated use in U.S. government and defense supply chains.
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