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Technical Data Sheet
PartsTable / COMPONENT / 901-125#-1IN.
901-125#-1IN. ✓ 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 901-125#-1IN. is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-287-2777, 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
901-125#-1IN.
NSN: 4820-00-287-2777
FSC: 4820
CAGE: 14448 — HAMMOND VALVE CORP (USA)
SPECIFICATIONS
Part Number901-125#-1IN.
NSN4820-00-287-2777
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 901-125#-1IN. · 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
•
MAXIMUM OPERATING TEMP: 500.0 FAHRENHEIT FIRST RESPONSE DEGF
•
MATERIAL: COPPER ALLOY 836 SEAT
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SECOND RESPONSE
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP500.0 FAHRENHEIT FIRST RESPONSE DEGF
MATERIALCOPPER ALLOY 836 SEAT
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 836 BODY
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
THREAD SERIES DESIGNATORNPT ALL ENDS
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
NOMINAL THREAD SIZE1.000 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
FIG231Interchangeable
interchangeable cross-reference
interchangeable
FIG516-2INInterchangeable
interchangeable cross-reference
interchangeable
IB948 SIZE 2 INInterchangeable
interchangeable cross-reference
interchangeable
CIS 1IN250PSIInterchangeable
interchangeable cross-reference
interchangeable
801-1INInterchangeable
interchangeable cross-reference
interchangeable
901-1INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 901-125#-1IN.?
901-125#-1IN. is a 901-125#-1IN..
What parts can replace 901-125#-1IN.?
There are 13 known substitutes for 901-125#-1IN.: FIG231, FIG516-2IN, IB948 SIZE 2 IN and 10 more. Substitute compatibility should be verified for your specific system.
Is 901-125#-1IN. still available?
901-125#-1IN. 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