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A13977 — VALVE,ANGLE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A13977: VALVE,ANGLE.

The VALVE,ANGLE is a the manufacturer industrial component. Key specifications include connection_type: THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END, style_designator: ANGLE, thread_direction: RIGHT-HAND SECOND ENDRIGHT-HAND SECOND END, features_provided: VALVE STEM LOCK SHIELDVALVE STEM LOCK SHIELD, operating_pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-404-8460, 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
A13977
NSN: 4820-00-404-8460
FSC: 4820 — Valves, Nonpowered
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
connection_typeTHREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
style_designatorANGLE
thread_directionRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
features_providedVALVE STEM LOCK SHIELDVALVE STEM LOCK SHIELD
operating_pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.500 INCHES SECOND END0.500 INCHES SECOND END IN
thread_quantity_per_inch14 SECOND END14 SECOND END
thread_series_designatorNPTF SECOND END
nominal_pipe_size_accommodated0.500 INCHES SECOND END0.500 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated0.500 INCHES FIRST END IN
NSN4820-00-404-8460
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A13977 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES SECOND END0.500 INCHES SECOND END IN
•
CONNECTION STYLE: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END
•
STYLE DESIGNATOR: ANGLE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
•
OPERATING PRESSURE: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FEATURES PROVIDED: VALVE STEM LOCK SHIELDVALVE STEM LOCK SHIELD
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES SECOND END0.500 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST ENDUNTHREADED INTERNAL TUBE FIRST END
STYLE DESIGNATORANGLE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FEATURES PROVIDEDVALVE STEM LOCK SHIELDVALVE STEM LOCK SHIELD
THREAD DIRECTIONRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
NOMINAL THREAD SIZE0.500 INCHES SECOND END0.500 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 1
54088-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A13977?
A13977 is a VALVE,ANGLE.
What parts can replace A13977?
There is 1 known substitute for A13977: 54088-3. Substitute compatibility should be verified for your specific system.
What is the NSN for A13977?
A13977 is cataloged in the U.S. Government catalog under NSN 4820-00-404-8460. This indicates validated use in U.S. government and defense supply chains.
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