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Technical Data Sheet
PartsTable / COMPONENT / 28037N
28037N ✓ 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

CAPACITOR,VARIABLE,CERAMIC DIELE. Key specifications include material: STEEL CORROSION RESISTING BODY, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, nominal_thread_size: 0.250 INCHES ALL ENDS 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 4820-01-122-3631, 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
28037N
NSN: 4820-01-122-3631
FSC: 4820
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size0.250 INCHES ALL ENDS IN
thread_series_designatorNPT ALL ENDS
NSN4820-01-122-3631
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 28037N · 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: STEEL CORROSION RESISTING BODY
•
STYLE DESIGNATOR: STRAIGHT THRU
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING BODY
STYLE DESIGNATORSTRAIGHT THRU
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
D20J9Interchangeable
interchangeable cross-reference
interchangeable
28037Interchangeable
interchangeable cross-reference
interchangeable
Z-6577-1 TYPE DWG P/N 28037Interchangeable
interchangeable cross-reference
interchangeable
X436162Interchangeable
interchangeable cross-reference
interchangeable
2504709-37Interchangeable
interchangeable cross-reference
interchangeable
172477-011Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28037N?
28037N is a CAPACITOR,VARIABLE,CERAMIC DIELE.
What parts can replace 28037N?
There are 12 known substitutes for 28037N: D20J9, 28037, Z-6577-1 TYPE DWG P/N 28037 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28037N?
28037N is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-122-3631. 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