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91FC-1232 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

91FC-1232: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, special_features: PART NAME ASSIGNED BY CONTROLLING AGENCY IS, MODIFIED STEM EXTENSION, end_item_identification: NEW CONSTRUCTION LCS1, stem_actuating_end_type: HEXAGON MALE, valve_size_for_which_designed: 0.500 INCHES IN, valve_type_for_which_designed: BALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-540-2993, 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
91FC-1232
NSN: 4820-01-540-2993
NIINs: 015402993, 015405633
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
special_featuresPART NAME ASSIGNED BY CONTROLLING AGENCY IS, MODIFIED STEM EXTENSION
end_item_identificationNEW CONSTRUCTION LCS1
stem_actuating_end_typeHEXAGON MALE
valve_size_for_which_designed0.500 INCHES IN
valve_type_for_which_designedBALL
NSN4820-01-540-2993
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 91FC-1232 · 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
•
VALVE TYPE FOR WHICH DESIGNED: BALL
•
STEM ACTUATING END TYPE: HEXAGON MALE
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
STEM ACTUATING END TYPEHEXAGON MALE
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
SPECIAL FEATURESPART NAME ASSIGNED BY CONTROLLING AGENCY IS, MODIFIED STEM EXTENSION
END ITEM IDENTIFICATIONNEW CONSTRUCTION LCS1
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 2
91FC1232A-0001MSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
91FC-1232 ITEM 1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91FC-1232?
91FC-1232 is a STEM,FLUID VALVE.
What parts can replace 91FC-1232?
There are 2 known substitutes for 91FC-1232: 91FC1232A-0001M, 91FC-1232 ITEM 1. Substitute compatibility should be verified for your specific system.
What is the NSN for 91FC-1232?
91FC-1232 is cataloged in the U.S. Government catalog under NSN 4820-01-540-2993. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.