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Technical Data Sheet
PartsTable / COMPONENT / 40155-1-1/2-55AF-1
40155-1-1/2-55AF-1 ✓ 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 40155-1-1/2-55AF-1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-087-2093, 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
40155-1-1/2-55AF-1
NSN: 4820-00-087-2093
FSC: 4820
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
Part Number40155-1-1/2-55AF-1
NSN4820-00-087-2093
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40155-1-1/2-55AF-1 · 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
•
MATERIAL: STEEL CORROSION RESISTING SEAT
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPENING PRESSURE SETTING: 140.0 POUNDS PER SQUARE INCH LBS
•
ADJUSTABLE PRESSURE RANGE: +120.0 TO 160.0 POUNDS PER SQUARE INCH LBS
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.500 INCHES SECOND END IN
•
FEATURES PROVIDED: VALVE STEM LOCK SHIELD
•
SURFACE TREATMENT: ANODIZE LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING SEAT
STYLE DESIGNATORSTRAIGHT THRU
OPENING PRESSURE SETTING140.0 POUNDS PER SQUARE INCH LBS
MATERIALALUMINUM ALLOY BODY
ADJUSTABLE PRESSURE RANGE+120.0 TO 160.0 POUNDS PER SQUARE INCH LBS
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES SECOND END IN
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
SURFACE TREATMENTANODIZE LOCATION NOT OTHERWISE SPECIFIED
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
CONNECTION STYLESOCKET FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
43205Interchangeable
interchangeable cross-reference
interchangeable
042986Interchangeable
interchangeable cross-reference
interchangeable
8060005Interchangeable
interchangeable cross-reference
interchangeable
200146Interchangeable
interchangeable cross-reference
interchangeable
10350Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-755Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40155-1-1/2-55AF-1?
40155-1-1/2-55AF-1 is a 40155-1-1/2-55AF-1.
What parts can replace 40155-1-1/2-55AF-1?
There are 20 known substitutes for 40155-1-1/2-55AF-1: 43205, 042986, 8060005 and 17 more. Substitute compatibility should be verified for your specific system.
Is 40155-1-1/2-55AF-1 still available?
40155-1-1/2-55AF-1 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