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Technical Data Sheet
PartsTable / COMPONENT / GP A, TY III, ST A, TR 3
GP A, TY III, ST A, TR 3 ✓ 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 GP A, TY III, ST A, TR 3 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-287-5151, 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
GP A, TY III, ST A, TR 3
NSN: 4820-00-287-5151
FSC: 4820
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberGP A, TY III, ST A, TR 3
NSN4820-00-287-5151
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: GP A, TY III, ST A, TR 3 · 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
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MAXIMUM OPERATING TEMP: 550.0 FAHRENHEIT FIRST RESPONSE DEGF
•
VALVE OPERATION METHOD: AUTOMATIC
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
•
DISK LOADING METHOD: WEIGHT
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SECOND RESPONSE
•
MATERIAL: COPPER ALLOY 922 BODY
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MAXIMUM OPERATING TEMP550.0 FAHRENHEIT FIRST RESPONSE DEGF
VALVE OPERATION METHODAUTOMATIC
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
DISK LOADING METHODWEIGHT
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
MATERIALCOPPER ALLOY 922 BODY
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
L100J150Interchangeable
interchangeable cross-reference
interchangeable
270-100-0605Interchangeable
interchangeable cross-reference
interchangeable
0605Interchangeable
interchangeable cross-reference
interchangeable
02665PInterchangeable
interchangeable cross-reference
interchangeable
TVC60000Interchangeable
interchangeable cross-reference
interchangeable
TVCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GP A, TY III, ST A, TR 3?
GP A, TY III, ST A, TR 3 is a GP A, TY III, ST A, TR 3.
What parts can replace GP A, TY III, ST A, TR 3?
There are 27 known substitutes for GP A, TY III, ST A, TR 3: L100J150, 270-100-0605, 0605 and 24 more. Substitute compatibility should be verified for your specific system.
Is GP A, TY III, ST A, TR 3 still available?
GP A, TY III, ST A, TR 3 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: July 2026