PartsTable
Technical Data Sheet
Download PDF

K873738-2250 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

K873738-2250: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, seat_angle: 37.0 DEGREES ALL ENDS, bonnet_type: INSIDE SPRING, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-977-7664, 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
K873738-2250
NSN: 4820-00-977-7664
FSC: 4820 — Valves, Nonpowered
CAGE: 58163 — MEGGITT (NORTH HOLLYWOOD), INC. DBA MEGGITT CONTROL SYSTEMS DIV MEGGITT DEFENSE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
seat_angle37.0 DEGREES ALL ENDS
bonnet_typeINSIDE SPRING
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
disk_loading_methodSPRING
flow_control_deviceDISK
nominal_thread_size0.437 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
NSN4820-00-977-7664
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: K873738-2250 · 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
•
FLOW CONTROL DEVICE: DISK
•
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: ANGLE
•
BONNET TYPE: INSIDE SPRING
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.437 INCHES ALL ENDS IN
•
SEAT ANGLE: 37.0 DEGREES ALL ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION STYLEFLARED (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORANGLE
BONNET TYPEINSIDE SPRING
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.437 INCHES ALL ENDS IN
SEAT ANGLE37.0 DEGREES ALL ENDS
DISK LOADING METHODSPRING
BONNET ATTACHMENT METHODBOLTED
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
873738-2250Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy K873738-2250?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is K873738-2250?
K873738-2250 is a VALVE,SAFETY RELIEF.
What parts can replace K873738-2250?
There is 1 known substitute for K873738-2250: 873738-2250. Substitute compatibility should be verified for your specific system.
What is the NSN for K873738-2250?
K873738-2250 is cataloged in the U.S. Government catalog under NSN 4820-00-977-7664. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — K873738-2250

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.