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26799 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 21.500 INCHES NOMINAL IN, style_designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD, surface_treatment: CHROMIUM OVERALL, wrenching_surface_size: 1.438 INCHES NOMINAL FIRST END IN, wrenching_surface_shape: 12 POINT BOTH ENDS INTERNAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-506-4726, 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
26799
NSN: 4820-00-506-4726
FSC: 4820
CAGE: 31577 — JAEGER MACHINE CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length21.500 INCHES NOMINAL IN
style_designatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
surface_treatmentCHROMIUM OVERALL
wrenching_surface_size1.438 INCHES NOMINAL FIRST END IN
wrenching_surface_shape12 POINT BOTH ENDS INTERNAL
large_end_head_thickness1.000 INCHES NOMINAL IN
small_end_head_thickness0.938 INCHES NOMINAL IN
large_end_outside_diameter2.312 INCHES NOMINAL IN
small_end_outside_diameter2.093 INCHES NOMINAL IN
wrenching_end_offset_angle15.0 DEGREES NOMINAL
NSN4820-00-506-4726
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 26799 · 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
•
MATERIAL: RUBBER
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER
SPECIAL FEATURESADDITIONAL MATERIAL: FIBER
OVERALL LENGTH5.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
OVERALL WIDTH5.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
4102-TWInterchangeable
interchangeable cross-reference
interchangeable
SA4102Interchangeable
interchangeable cross-reference
interchangeable
26799Interchangeable
interchangeable cross-reference
interchangeable
29157Interchangeable
interchangeable cross-reference
interchangeable
01-0015Interchangeable
interchangeable cross-reference
interchangeable
26799-05Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26799?
26799 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace 26799?
There are 7 known substitutes for 26799: 4102-TW, SA4102, 26799 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26799?
26799 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-506-4726. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026