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2620-926X1 — ADAPTER,STRAIGHT,FLANGE TO TUBE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2620-926X1: ADAPTER,STRAIGHT,FLANGE TO TUBE.

ADAPTER,STRAIGHT,FLANGE TO TUBE. Key specifications include bonnet_type: INSIDE SCREWINSIDE SCREW, style_designator: STRAIGHT THRUSTRAIGHT THRU, valve_operation_method: MANUALMANUAL, bonnet_attachment_method: THREADEDTHREADED, nominal_pipe_size_accommodated: 0.750 INCHES FIRST END0.750 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-956-8467, 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
2620-926X1
NSN: 4820-00-956-8467
NIINs: 009568467, 011522705, 011522706, 011522707, 012060828
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
bonnet_typeINSIDE SCREWINSIDE SCREW
style_designatorSTRAIGHT THRUSTRAIGHT THRU
valve_operation_methodMANUALMANUAL
bonnet_attachment_methodTHREADEDTHREADED
nominal_pipe_size_accommodated0.750 INCHES FIRST END0.750 INCHES FIRST END IN
NSN4820-00-956-8467
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2620-926X1 · 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
•
PORT DIAMETER: 0.812 INCHES NOMINAL IN
•
SPHERICAL DIAMETER: 1.364 INCHES NOMINAL IN
•
PORT CONFIGURATION: STRAIGHT
•
STEM ACCOMMODATION QUANTITY: 1
•
PORT QUANTITY: 2
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: PLASTIC POLYTETRAFLUOROETHYLENE
•
MATERIAL: BRONZE
TECHNICAL CHARACTERISTICS
PORT DIAMETER0.812 INCHES NOMINAL IN
SPHERICAL DIAMETER1.364 INCHES NOMINAL IN
PORT CONFIGURATIONSTRAIGHT
STEM ACCOMMODATION QUANTITY1
PORT QUANTITY2
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTPLASTIC POLYTETRAFLUOROETHYLENE
MATERIALBRONZE
SUBSTITUTES & CROSS-REFERENCES 7
2620-926X1PC15-1/2Reference document
Same NSN cross-reference
Reference document — Secondary reference
402-16-10-0004-9350Reference document
Same NSN cross-reference
Reference document — Secondary reference
502-16-10-00049-0C4AReference document
Same NSN cross-reference
Reference document — Secondary reference
2620-926X1PC16-1/2Reference document
Same NSN cross-reference
Reference document — Secondary reference
216-10-10Reference document
Same NSN cross-reference
Reference document — Secondary reference
298-00-204PC15Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 2620-926X1?
2620-926X1 is a ADAPTER,STRAIGHT,FLANGE TO TUBE.
What parts can replace 2620-926X1?
There are 7 known substitutes for 2620-926X1: 2620-926X1PC15-1/2, 402-16-10-0004-9350, 502-16-10-00049-0C4A and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2620-926X1?
2620-926X1 is cataloged in the U.S. Government catalog under NSN 4820-00-956-8467. 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.