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205866 — BLOCK AND TACKLE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

205866: BLOCK AND TACKLE.

The BLOCK AND TACKLE is a the manufacturer industrial component. Key specifications include material: STEEL SHEAVE, block_type: REGULAR, bearing_type: ROLLER, style_designator: ROUND PATTERN, sheave_outside_diameter: 12.000 INCHES NOMINAL IN, tackle_accommodated_type: WIRE ROPE. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-198-4050, 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
205866
NSN: 4730-00-198-4050
NIINs: 001984050, 013974132
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL SHEAVE
block_typeREGULAR
bearing_typeROLLER
sheave_quantity1
style_designatorROUND PATTERN
tackle_block_quantity1
sheave_outside_diameter12.000 INCHES NOMINAL IN
tackle_accommodated_typeWIRE ROPE
sheave_bearing_lubrication_methodPRESSURE GREASE FITTING
maximum_tackle_diameter_accommodated0.500 INCHES IN
NSN4730-00-198-4050
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 205866 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
CONNECTION STYLE: BEADED (HOSE) SECOND END
•
BOLT CIRCLE NOMINAL DIAMETER: 2.250 INCHES FIRST END IN
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.250 INCHES THIRD END IN
•
CONNECTION TYPE: FLANGE FIRST END
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE FACE DESIGNPLAIN FIRST END
CONNECTION STYLEBEADED (HOSE) SECOND END
CONNECTION STYLEBEADED (HOSE) THIRD END
BOLT CIRCLE NOMINAL DIAMETER2.250 INCHES FIRST END IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.250 INCHES THIRD END IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.250 INCHES SECOND END IN
CONNECTION TYPEFLANGE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONWW-T-700/4,0,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE BODY
BOLT HOLE NOMINAL DIAMETER0.222 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 205866?
205866 is a BLOCK AND TACKLE.
What is the NSN for 205866?
205866 is cataloged in the U.S. Government catalog under NSN 4730-00-198-4050. This indicates validated use in U.S. government and defense supply chains.
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