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Technical Data Sheet
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28928 ✓ 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,PUMP,SPECIAL SHAPED is a the manufacturer industrial component. Key specifications include material: PLASTIC TETRAFLUOROETHYLENE, body_length: 0.312 INCHES NOMINAL IN, rating_method: WINDING TURNS SINGLE COMPONENT FIRST WINDING, turn_quantity: 110 SINGLE COMPONENT FIRST WINDING, inclosure_type: FULLY INCLOSED, mounting_method: TERMINAL SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-068-3886, 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
28928
NSN: 4810-01-068-3886
FSC: 4810
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
materialPLASTIC TETRAFLUOROETHYLENE
body_length0.312 INCHES NOMINAL IN
rating_methodWINDING TURNS SINGLE COMPONENT FIRST WINDING
turn_quantity110 SINGLE COMPONENT FIRST WINDING
inclosure_typeFULLY INCLOSED
mounting_methodTERMINAL SINGLE GROUP
special_featuresWEAPON SYS ESSENTIAL
winding_quantity2 SINGLE COMPONENT
body_outside_diameter0.875 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
winding_conductor_size0.00500 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT FIRST WINDING IN
end_item_identificationVARIOUS SHORE ATC, PRECISION LANDING RADAR AN/FPN-62, ADVANCED AIR TRAFFIC CONTR. & LAND. SYS (ATCALS) 404L
NSN4810-01-068-3886
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 28928 · 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: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
SPECIAL FEATURESUSED ON MODEL 110L
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
173069H1Interchangeable
interchangeable cross-reference
interchangeable
28221Interchangeable
interchangeable cross-reference
interchangeable
832864-1Interchangeable
interchangeable cross-reference
interchangeable
14488Interchangeable
interchangeable cross-reference
interchangeable
63120Interchangeable
interchangeable cross-reference
interchangeable
CB27525-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28928?
28928 is a DIAPHRAGM,PUMP,SPECIAL SHAPED.
What parts can replace 28928?
There are 20 known substitutes for 28928: 173069H1, 28221, 832864-1 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28928?
28928 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-068-3886. 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