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B-1674 — B-1674

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

B-1674: B-1674.

The B-1674 is a the manufacturer industrial component. Key specifications include material: BRONZE SEAT, bonnet_type: EXPOSED SPRING, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-204-2211, 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
MRO→ MRO_GENERAL→ B-1674
NSN: 4820-01-204-2211
NIINs: 012042211, 016271359
FSC: 4820 — Valves, Nonpowered
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialBRONZE SEAT
bonnet_typeEXPOSED SPRING
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
special_featuresA PART, ASSEMBLY, OR SYSTEM IDENTIFIED AS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION TO PRESERVE LIFE AND SAFETY OF PERSONNEL
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
flow_control_deviceDISK
nominal_thread_size0.750 INCHES ALL ENDS IN
valve_operation_methodMANUAL
bonnet_attachment_methodBOLTED
thread_series_designatorNPT ALL ENDS
NSN4820-01-204-2211
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-1674 · 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: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
BONNET TYPE: EXPOSED SPRING
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
•
BONNET ATTACHMENT METHOD: BOLTED
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
BONNET TYPEEXPOSED SPRING
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
BONNET ATTACHMENT METHODBOLTED
MATERIALBRONZE SEAT
MATERIALBRONZE BODY
SUBSTITUTES & CROSS-REFERENCES 1
3800WHIS-1VS4Reference 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
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FREQUENTLY ASKED QUESTIONS
What is B-1674?
B-1674 is a B-1674. It is classified as a MRO (MRO_GENERAL).
What parts can replace B-1674?
There is 1 known substitute for B-1674: 3800WHIS-1VS4. Substitute compatibility should be verified for your specific system.
What is the NSN for B-1674?
B-1674 is cataloged in the U.S. Government catalog under NSN 4820-01-204-2211. This indicates validated use in U.S. government and defense supply chains.
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