PartsTable
Technical Data Sheet
25503 ✓ Verified by PartsTable
Freecom · 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

<b>World’s slimmest USB Flash memory device </b><br><br>USB 2.0 Win & Mac<br><br>- USB flash storage enters a new dimension. <br>- Save your data on a credit-card like device <br>- Carry your precious data in your wallet<br>- Smart solution at affordable price<br>- Slimmest USB flash storage device<br>- Flat USB connector clicks inside the card<br>- Including password protection & encryption software<br><br>Patented by Freecom Technologies<br><br>Who leaves home without wallet? No one! On the way to friends or on a business trip, whether you have time or when you are in a hurry, you dont't forget your wallet. Thanks to Freecom DataCard you will never forget your data either.

Your files will follow you wherever you go. Don't even think about it the files are in your wallet! <br> This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-214-3808, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
25503
NSN: 4820-01-214-3808
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
end_item_identification2310015953986
part_name_assigned_by_controlling_agencySEAL,O-RING
NSN4820-01-214-3808
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 25503 · Freecom ⚠ 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
UNDER FLANGE HEIGHT: 0.250 INCHES NOMINAL IN
BODY INSIDE DIAMETER: 1.375 INCHES NOMINAL IN
NOMINAL THREAD SIZE: 1.625 INCHES SINGLE THREADED PORTION IN
STYLE DESIGNATOR: THREADED FLANGED
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: STEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATOR: UN SINGLE THREADED PORTION
TECHNICAL CHARACTERISTICS (FLIS)
UNDER FLANGE HEIGHT0.250 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.375 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.625 INCHES SINGLE THREADED PORTION IN
SPECIAL FEATURESLOWER SEAT
STYLE DESIGNATORTHREADED FLANGED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
SEATING SURFACE SHAPEFLAT
FLANGE DIAMETER1.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
400644Interchangeable
interchangeable cross-reference
interchangeable
406371Interchangeable
interchangeable cross-reference
interchangeable
40064-4 ITEM 16Interchangeable
interchangeable cross-reference
interchangeable
383-08Interchangeable
interchangeable cross-reference
interchangeable
254-03Interchangeable
interchangeable cross-reference
interchangeable
40064-4 ITEM 22Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25503?
25503 is a SEAT,VALVE manufactured by Freecom.
What parts can replace 25503?
There are 19 known substitutes for 25503: 400644, 406371, 40064-4 ITEM 16 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 25503?
25503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-214-3808. This indicates validated use in U.S. government and defense supply chains.
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