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S58981 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, special_features: FOR SAFETY RELIEF VALVE SZ 4.000 IN. BY 6.000 IN.

IN, end_item_identification: SUPPLY CLASS AOE, valve_size_for_which_designed: 4.000 INCHES IN, valve_type_for_which_designed: RELIEF, valve_model_number_for_which_designed: JOS. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-434-6635, 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
S58981
NSN: 4820-01-434-6635
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL COMP 316
special_featuresFOR SAFETY RELIEF VALVE SZ 4.000 IN. BY 6.000 IN. IN
end_item_identificationSUPPLY CLASS AOE
valve_size_for_which_designed4.000 INCHES IN
valve_type_for_which_designedRELIEF
valve_model_number_for_which_designedJOS
NSN4820-01-434-6635
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S58981 · 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 COMP 316
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: JOS
•
VALVE SIZE FOR WHICH DESIGNED: 4.000 INCHES IN
•
VALVE TYPE FOR WHICH DESIGNED: RELIEF
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 316
VALVE MODEL NUMBER FOR WHICH DESIGNEDJOS
END ITEM IDENTIFICATIONSUPPLY CLASS AOE
SPECIAL FEATURESFOR SAFETY RELIEF VALVE SZ 4.000 IN. BY 6.000 IN. IN
VALVE SIZE FOR WHICH DESIGNED4.000 INCHES IN
VALVE TYPE FOR WHICH DESIGNEDRELIEF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
DS-G-63177-4Interchangeable
interchangeable cross-reference
interchangeable
DS-G-63177-4 PC 2Interchangeable
interchangeable cross-reference
interchangeable
103008Interchangeable
interchangeable cross-reference
interchangeable
DS-G-63177-4 PC NO. 5AInterchangeable
interchangeable cross-reference
interchangeable
S71020Interchangeable
interchangeable cross-reference
interchangeable
103383Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S58981?
S58981 is a STEM,FLUID VALVE.
What parts can replace S58981?
There are 19 known substitutes for S58981: DS-G-63177-4, DS-G-63177-4 PC 2, 103008 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S58981?
S58981 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-434-6635. 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