PartsTable
Technical Data Sheet
6577 REV B ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include phase: SINGLE, material: COPPER ALLOY BODY LINING, 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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-387-5495, 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
6577 REV B
NSN: 4810-01-387-5495
FSC: 4810
CAGE: 22501 — HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC (USA)
SPECIFICATIONS
phaseSINGLE
materialCOPPER ALLOY BODY LINING
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
frequency_in_hertz60.0
operating_pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDIAPHRAGM
nominal_thread_size0.500 INCHES ALL ENDS IN
current_rating_in_amps0.250
NSN4810-01-387-5495
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 6577 REV B · 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: DIAPHRAGM
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICE NORMAL OPERATION POSITION: CLOSED
MOUNTING POSITION: HORIZONTAL OR VERTICAL
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
CURRENT RATING IN AMPS: 0.250
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEDIAPHRAGM
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICE NORMAL OPERATION POSITIONCLOSED
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
END ITEM IDENTIFICATIONSTRATEGIC SEALIFT CONVERSION SHIPS CLASS
CURRENT RATING IN AMPS0.250
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY BODY LINING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
6577Interchangeable
interchangeable cross-reference
interchangeable
6577-1BInterchangeable
interchangeable cross-reference
interchangeable
MS51887-89Interchangeable
interchangeable cross-reference
interchangeable
142269Interchangeable
interchangeable cross-reference
interchangeable
WWP471BEQBULEInterchangeable
interchangeable cross-reference
interchangeable
267098Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 6577 REV B?
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 6577 REV B?
6577 REV B is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 6577 REV B?
There are 16 known substitutes for 6577 REV B: 6577, 6577-1B, MS51887-89 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6577 REV B?
6577 REV B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-387-5495. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 6577 REV B