PartsTable
Technical Data Sheet
57SAE ✓ 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 TELETYPEWRITER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_style: TWO WAY TWO PORT 360 DEGREE PLUG TURN, seat_angle: 45.0 DEGREES SECOND END, thread_class: 3A SECOND END A, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: FLARED (TUBE) SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-287-5638, 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
57SAE
NSN: 4820-00-287-5638
FSC: 4820
CAGE: 30327 — IMPERIAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_styleTWO WAY TWO PORT 360 DEGREE PLUG TURN
seat_angle45.0 DEGREES SECOND END
thread_class3A SECOND END A
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleFLARED (TUBE) SECOND END
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size0.250 INCHES FIRST END IN
valve_operation_methodMANUAL
thread_series_designatorNPT FIRST END
NSN4820-00-287-5638
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 57SAE · 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 STYLE: PLAIN (PIPE) FIRST END
NOMINAL THREAD SIZE: 0.250 INCHES FIRST END IN
THREAD SERIES DESIGNATOR: NPT FIRST END
THREAD CLASS: 3A SECOND END A
SEAT ANGLE: 45.0 DEGREES SECOND END
THREAD DIRECTION: RIGHT-HAND ALL ENDS
CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
NOMINAL THREAD SIZE0.625 INCHES SECOND END IN
THREAD SERIES DESIGNATORNPT FIRST END
THREAD CLASS3A SECOND END A
SEAT ANGLE45.0 DEGREES SECOND END
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
MATERIALCOPPER ALLOY OVERALL
THREAD SERIES DESIGNATORUNF SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
BP3727Interchangeable
interchangeable cross-reference
interchangeable
762LXInterchangeable
interchangeable cross-reference
interchangeable
SC-B-70050Interchangeable
interchangeable cross-reference
interchangeable
50429Interchangeable
interchangeable cross-reference
interchangeable
2-9100-1Interchangeable
interchangeable cross-reference
interchangeable
780005Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57SAE?
57SAE is a TELETYPEWRITER SUBASSEMBLY.
What parts can replace 57SAE?
There are 6 known substitutes for 57SAE: BP3727, 762LX, SC-B-70050 and 3 more. Substitute compatibility should be verified for your specific system.
Is 57SAE still available?
57SAE is currently cancelled.
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