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Technical Data Sheet
PartsTable / MRO / 28807
28807 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include material: PAPER OVERALL, seat_radius: 0.010 INCHES NOMINAL IN, hole_diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, flange_diameter: 0.610 INCHES MINIMUM AND 0.611 INCHES MAXIMUM IN, hardness_rating: 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL, outside_diameter: 6.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-199-8720, 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
MRO→ MRO_GENERAL→ 28807
NSN: 4810-00-199-8720
FSC: 4810
CAGE: 0UES3 — MID-AMERICA AEROTECH, LLC (USA)
SPECIFICATIONS
materialPAPER OVERALL
seat_radius0.010 INCHES NOMINAL IN
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
flange_diameter0.610 INCHES MINIMUM AND 0.611 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
outside_diameter6.375 INCHES NOMINAL IN
special_features0.125 IN. DIA GAGE BALL IN
style_designatorCIRCULAR
aperture_diameter4.531 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
bolt_hole_quantity6
under_flange_height0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
NSN4810-00-199-8720
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 28807 · 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
•
BODY INSIDE DIAMETER: 0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.499 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
•
SEAT RADIUS: 0.010 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
FLANGE DIAMETER: 0.610 INCHES MINIMUM AND 0.611 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.499 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
SEAT RADIUS0.010 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
SPECIAL FEATURES0.125 IN. DIA GAGE BALL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
FLANGE DIAMETER0.610 INCHES MINIMUM AND 0.611 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN FLANGED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
28807Interchangeable
interchangeable cross-reference
interchangeable
D28807Interchangeable
interchangeable cross-reference
interchangeable
335C391H01Interchangeable
interchangeable cross-reference
interchangeable
37366Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28807?
28807 is a SWITCH,THERMOSTATIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 28807?
There are 4 known substitutes for 28807: 28807, D28807, 335C391H01 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28807?
28807 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-199-8720. 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