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PartsTable / COMPONENT / 31638 CRDM 3 1-
31638 CRDM 3 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: NICKEL ALLOY AND COPPER ALLOY SEAT, special_features: VALVE SIZE 0.375 IN. IN, valve_loading_method: SPRING, outlet_pressure_range: 10.0 TO 100.0 CAMERA MOUNT.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-319-5439, 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
31638 CRDM 3 1-
NSN: 4820-01-319-5439
FSC: 4820
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialNICKEL ALLOY AND COPPER ALLOY SEAT
special_featuresVALVE SIZE 0.375 IN. IN
valve_loading_methodSPRING
outlet_pressure_range10.0 TO 100.0 CAMERA MOUNT
NSN4820-01-319-5439
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31638 CRDM 3 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: NICKEL ALLOY STEM
•
VALVE LOADING METHOD: SPRING
•
OUTLET PRESSURE RANGE: 10.0 TO 100.0 CAMERA MOUNT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY STEM
VALVE LOADING METHODSPRING
SPECIAL FEATURESVALVE SIZE 0.375 IN. IN
OUTLET PRESSURE RANGE10.0 TO 100.0 CAMERA MOUNT
MATERIALNICKEL ALLOY AND COPPER ALLOY SEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1901844Interchangeable
interchangeable cross-reference
interchangeable
7432-30FInterchangeable
interchangeable cross-reference
interchangeable
80040Interchangeable
interchangeable cross-reference
interchangeable
73-550Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-9838 TY2Interchangeable
interchangeable cross-reference
interchangeable
10AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31638 CRDM 3 1-?
31638 CRDM 3 1- is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 31638 CRDM 3 1-?
There are 12 known substitutes for 31638 CRDM 3 1-: 1901844, 7432-30F, 80040 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31638 CRDM 3 1-?
31638 CRDM 3 1- is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-319-5439. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026