PartsTable
Technical Data Sheet

51-4-21C — Technical Data Sheet

✓ 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 VALVE,ANGLE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, bonnet_type: INSIDE SCREW, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-152-0137, 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
51-4-21C
NSN: 4820-01-152-0137
FSC: 4820
CAGE: 30120 — IDEAL AEROSMITH INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
bonnet_typeINSIDE SCREW
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
flow_control_deviceNEEDLE
nominal_thread_size0.250 INCHES ALL ENDS IN
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
thread_series_designatorNPT ALL ENDS
NSN4820-01-152-0137
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 51-4-21C · 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 INTERNAL PIPE ALL ENDS
•
BONNET TYPE: INSIDE SCREW
•
FLOW CONTROL DEVICE: NEEDLE
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
BONNET ATTACHMENT METHOD: THREADED
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
BONNET TYPEINSIDE SCREW
FLOW CONTROL DEVICENEEDLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
BONNET ATTACHMENT METHODTHREADED
VALVE OPERATION METHODMANUAL
THREAD SERIES DESIGNATORNPT ALL ENDS
STYLE DESIGNATORANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
GGG-P-833 TY1CLBST2SZ11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
51424InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GGG-P-833InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SCB70402InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
54500InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1424InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 51-4-21C?
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 51-4-21C?
51-4-21C is a VALVE,ANGLE.
What parts can replace 51-4-21C?
There are 11 known substitutes for 51-4-21C: GGG-P-833 TY1CLBST2SZ11, 51424, GGG-P-833 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51-4-21C?
51-4-21C is cataloged in the Federal Logistics Information System under NSN 4820-01-152-0137. 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 — 51-4-21C