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S-6751 — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S-6751: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include material: STEEL OVERALL, body_style: IRREGULAR, bonnet_type: PACKING RETAINING, flange_shape: ROUND WITH HOLES SECOND END, overall_width: 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN, overall_height: 2.550 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-118-2530, 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
S-6751
NSN: 4820-01-118-2530
NIINs: 011182530, 013022792
FSC: 4820 — Valves, Nonpowered
CAGE: 93591 — PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleIRREGULAR
bonnet_typePACKING RETAINING
flange_shapeROUND WITH HOLES SECOND END
overall_width2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
overall_height2.550 INCHES MAXIMUM IN
overall_length2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN
switching_time15.0 MILLISECONDS MS
connection_typeFLANGE FIRST END
nominal_thickness0.500 INCHES THIRD END IN
bolt_hole_quantity8 FIRST END
flange_face_designPLAIN FIRST END
NSN4820-01-118-2530
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S-6751 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: DISK
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
BOLT CIRCLE NOMINAL DIAMETER: 5.500 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE SHAPEROUND WITH HOLES SECOND END
FLANGE SHAPEROUND WITH HOLES THIRD END
FLANGE FACE DESIGNPLAIN FIRST END
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE FACE DESIGNPLAIN THIRD END
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES FIRST END IN
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES SECOND END IN
BOLT CIRCLE NOMINAL DIAMETER4.437 INCHES THIRD END IN
SUBSTITUTES & CROSS-REFERENCES 1
S-675Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S-6751?
S-6751 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace S-6751?
There is 1 known substitute for S-6751: S-675. Substitute compatibility should be verified for your specific system.
What is the NSN for S-6751?
S-6751 is cataloged in the U.S. Government catalog under NSN 4820-01-118-2530. 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.