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FIG 49-U SIZE 3/4 IN — Technical Data Sheet

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— · 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

RECORDER-REPRODUCER SET,SIGNAL D. Key specifications include material: COPPER ALLOY 836 BODY, stem_type: RISING, valve_size: 0.750 INCHES IN, bonnet_type: INSIDE SCREW, connection_type: THREADED INTERNAL PIPE, features_provided: BONNET PACKING. This part is cataloged in the Federal Logistics Information System under NSN 4820-00-826-9949, 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
FIG 49-U SIZE 3/4 IN
NSN: 4820-00-826-9949
FSC: 4820
CAGE: 75144 — JENKINS BROS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 836 BODY
stem_typeRISING
valve_size0.750 INCHES IN
bonnet_typeINSIDE SCREW
connection_typeTHREADED INTERNAL PIPE
features_providedBONNET PACKING
nominal_thread_size0.750 INCHES IN
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
thread_series_designatorNPT
nondefinitive_spec/std_dataB CLASS AND 1 STYLE AND 2 TYPE
operating_pressure_and_type150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
NSN4820-00-826-9949
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: FIG 49-U SIZE 3/4 IN · 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
•
BONNET ATTACHMENT METHOD: THREADED
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
THREAD SERIES DESIGNATOR: NPT
•
OPERATING PRESSURE AND TYPE: 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
NONDEFINITIVE SPEC/STD DATA: B CLASS AND 1 STYLE AND 2 TYPE
•
SPECIFICATION/STANDARD DATA: 59646-MSS-SP-80 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
BONNET TYPE: INSIDE SCREW
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
BONNET ATTACHMENT METHODTHREADED
INLET RELATIONSHIP WITH OUTLETIDENTICAL
THREAD SERIES DESIGNATORNPT
OPERATING PRESSURE AND TYPE150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
NONDEFINITIVE SPEC/STD DATAB CLASS AND 1 STYLE AND 2 TYPE
SPECIFICATION/STANDARD DATA59646-MSS-SP-80 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
BONNET TYPEINSIDE SCREW
NOMINAL THREAD SIZE0.750 INCHES IN
MATERIALCOPPER ALLOY DISK
MATERIALCOPPER ALLOY STEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 37
131-1001-34InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
251-11-30-161InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
131-34InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
JAN1N5555AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
353-0216-010InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
12038-0001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FIG 49-U SIZE 3/4 IN?
FIG 49-U SIZE 3/4 IN is a RECORDER-REPRODUCER SET,SIGNAL D.
What parts can replace FIG 49-U SIZE 3/4 IN?
There are 37 known substitutes for FIG 49-U SIZE 3/4 IN: 131-1001-34, 251-11-30-161, 131-34 and 34 more. Substitute compatibility should be verified for your specific system.
Is FIG 49-U SIZE 3/4 IN still available?
FIG 49-U SIZE 3/4 IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026