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RK 777SI-SCREEN — STRAINER ELEMENT,SEDIMENT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

RK 777SI-SCREEN: STRAINER ELEMENT,SEDIMENT.

The STRAINER ELEMENT,SEDIMENT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, mesh_size: 20.0, wire_diameter: 0.014 INCHES NOMINAL IN, style_designator: CYLINDRICAL, end_connection_type: FLARE FIRST END, filtering_media_design: MESH. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-560-8007, 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
RK 777SI-SCREEN
NSN: 4730-01-560-8007
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
mesh_size20.0
wire_diameter0.014 INCHES NOMINAL IN
style_designatorCYLINDRICAL
end_connection_typeFLARE FIRST END
filtering_media_designMESH
end_item_identificationBACKFLOW VALVE
part_name_assigned_by_controlling_agencySCREEN
strainer_model_number_for_which_designedWATTS 777SI WYE STRAINER,.75 NPS
NSN4730-01-560-8007
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: RK 777SI-SCREEN · 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
•
FILTERING MEDIA DESIGN: MESH
•
MESH SIZE: 20.0
•
END CONNECTION TYPE: FLARE FIRST END
•
STYLE DESIGNATOR: CYLINDRICAL
•
STRAINER MODEL NUMBER FOR WHICH DESIGNED: WATTS 777SI WYE STRAINER,.75 NPS
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
FILTERING MEDIA DESIGNMESH
MESH SIZE20.0
END CONNECTION TYPEFLARE FIRST END
STYLE DESIGNATORCYLINDRICAL
STRAINER MODEL NUMBER FOR WHICH DESIGNEDWATTS 777SI WYE STRAINER,.75 NPS
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREEN
END ITEM IDENTIFICATIONBACKFLOW VALVE
MATERIALSTEEL CORROSION RESISTING
WIRE DIAMETER0.014 INCHES NOMINAL IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
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 RK 777SI-SCREEN?
RK 777SI-SCREEN is a STRAINER ELEMENT,SEDIMENT.
What is the NSN for RK 777SI-SCREEN?
RK 777SI-SCREEN is cataloged in the U.S. Government catalog under NSN 4730-01-560-8007. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.