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Technical Data Sheet
PartsTable / COMPONENT / 28689-3
28689-3 ✓ 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 SANDBAG SET,CERVICAL,X-RAY is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-238-6979, 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
28689-3
NSN: 4820-01-238-6979
FSC: 4820
CAGE: 81400 — HASKEL INTERNATIONAL, LLC DBA HASKEL INTERNATIONAL, LLC (USA)
SPECIFICATIONS
special_featuresBRAND NAME DESCRIPTION HMR - 8 GAUGE;ADDITIONAL ITEM INFORMATION HMR 22-7/8 X 18-1/2 X .008,R,W;REQUIRED MINIMUM ORDER QUANTITY 1;REQUIRED MULTIPLE ORDER QUANTITY 1
NSN4820-01-238-6979
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 28689-3 · 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
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
THREAD SERIES DESIGNATOR: NPT SECOND END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MOUNTING POSITION: HORIZONTAL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
MATERIALSTEEL CORROSION RESISTING OVERALL
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) SECOND END
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
THREAD SERIES DESIGNATORNPT SECOND END
STYLE DESIGNATORSTRAIGHT THRU
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
R26347NInterchangeable
interchangeable cross-reference
interchangeable
R26347Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS7928Interchangeable
interchangeable cross-reference
interchangeable
51238Interchangeable
interchangeable cross-reference
interchangeable
706978Interchangeable
interchangeable cross-reference
interchangeable
PA16421Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28689-3?
28689-3 is a SANDBAG SET,CERVICAL,X-RAY.
What parts can replace 28689-3?
There are 16 known substitutes for 28689-3: R26347N, R26347, SAE-AS7928 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28689-3?
28689-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-238-6979. 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