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Technical Data Sheet
PartsTable / COMPONENT / 63821
63821 ✓ Verified by PartsTable
Hama · 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

- Stylish portrait frame<br>- Unobtrusive design for timeless ambience<br>- Picture Size 1: 10 x 15 cm<br>- Colour: Silver<br>- Type of Glass: Reflex<br>- Material: Metal<br>- Line: Dublin<br>- Linkage: Yes This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-115-2446, 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
63821
NSN: 4820-00-115-2446
FSC: 4820
CAGE: 20266 — ELKHART BRASS MANUFACTURING COMPANY, LLC DIV ELKHART BRASS MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.344 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height2.557 INCHES NOMINAL IN
special_featuresTWO BOLT HOLES DRILLED 0.219 IN. DIA,2.063 IN. BOLT HOLE CIRCLE IN
style_designatorPLAIN THREADED
nominal_thread_size2.500 INCHES SINGLE THREADED PORTION IN
body_inside_diameter1.437 INCHES NOMINAL IN
seating_surface_shapeFLAT
seal_accommodation_typeGROOVED
thread_quantity_per_inch20 SINGLE THREADED PORTION
thread_series_designatorUN SINGLE THREADED PORTION
NSN4820-00-115-2446
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 63821 · Hama ⚠ 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
•
THREAD SERIES DESIGNATOR: UN SINGLE THREADED PORTION
•
NOMINAL THREAD SIZE: 2.500 INCHES SINGLE THREADED PORTION IN
•
SEAL ACCOMMODATION TYPE: GROOVED
•
BODY INSIDE DIAMETER: 1.437 INCHES NOMINAL IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
OVERALL HEIGHT2.557 INCHES NOMINAL IN
NOMINAL THREAD SIZE2.500 INCHES SINGLE THREADED PORTION IN
SEAL ACCOMMODATION TYPEGROOVED
BODY INSIDE DIAMETER1.437 INCHES NOMINAL IN
SPECIAL FEATURESTWO BOLT HOLES DRILLED 0.219 IN. DIA,2.063 IN. BOLT HOLE CIRCLE IN
THREAD CLASS2A SINGLE THREADED PORTION A
MATERIALCOPPER ALLOY OVERALL
THREAD QUANTITY PER INCH20 SINGLE THREADED PORTION
THREAD LENGTH0.344 INCHES NOMINAL SINGLE THREADED PORTION IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
570H100Interchangeable
interchangeable cross-reference
interchangeable
61348Interchangeable
interchangeable cross-reference
interchangeable
62-8-52Interchangeable
interchangeable cross-reference
interchangeable
347683C1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63821?
63821 is a GEAR,MAIN SHAFT OVE manufactured by Hama.
What parts can replace 63821?
There are 4 known substitutes for 63821: 570H100, 61348, 62-8-52 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 63821?
63821 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-115-2446. 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