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520-13006-1 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

520-13006-1: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include flange_diameter: 3.570 INCHES NOMINAL IN, special_features: VALVE SEAT, FUEL TANK VENT, body_inside_diameter: 5.00 INCHES NOMINAL IN, body_outside_diameter: 6.00 INCHES NOMINAL IN, end_item_identification: B-52 STRATOFORTRESS AIRCRAFT, part_name_assigned_by_controlling_agency: SEAT, VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-706-8785, 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
520-13006-1
NSN: 4810-01-706-8785
FSC: 4810 — Valves, Powered
CAGE: 0XWR4 — UNITED DYNAMICS, INC (USA)
SPECIFICATIONS
flange_diameter3.570 INCHES NOMINAL IN
special_featuresVALVE SEAT, FUEL TANK VENT
body_inside_diameter5.00 INCHES NOMINAL IN
body_outside_diameter6.00 INCHES NOMINAL IN
end_item_identificationB-52 STRATOFORTRESS AIRCRAFT
part_name_assigned_by_controlling_agencySEAT, VALVE
NSN4810-01-706-8785
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 520-13006-1 · 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
•
FLANGE DIAMETER: 3.570 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 6.00 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 5.00 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER3.570 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER6.00 INCHES NOMINAL IN
BODY INSIDE DIAMETER5.00 INCHES NOMINAL IN
SPECIAL FEATURESVALVE SEAT, FUEL TANK VENT
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAT, VALVE
END ITEM IDENTIFICATIONB-52 STRATOFORTRESS AIRCRAFT
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
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 520-13006-1?
520-13006-1 is a SEAT,VALVE.
What is the NSN for 520-13006-1?
520-13006-1 is cataloged in the U.S. Government catalog under NSN 4810-01-706-8785. 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.