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904-030 — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

904-030: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: PLASTIC POLYAMIDE NYLON, body_style: CYLINDRICAL, overall_height: 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN, overall_diameter: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, unthreaded_mounting_hole_diameter: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN, mounting_facility_type_and_quantity: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-274-3646, 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
MRO→ MRO_GENERAL→ 904-030
NSN: 4820-00-274-3646
NIINs: 002743646, 005543445, 013578904, 016014569
FSC: 4820 — Valves, Nonpowered
CAGE: 12793 — AQUA-CHEM INC CLEAVER-BROOKS DIV (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
body_styleCYLINDRICAL
overall_height0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
overall_diameter0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
unthreaded_mounting_hole_diameter0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
NSN4820-00-274-3646
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 904-030 · 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
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) SECOND END
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
CONNECTION TYPE: THREADED INTERNAL PIPE SECOND END
•
FLOW STYLE: TWO WAY TWO PORT 360 DEGREE PLUG TURN
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
FLOW STYLETWO WAY TWO PORT 360 DEGREE PLUG TURN
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
SUBSTITUTES & CROSS-REFERENCES 9
348220Reference document
Same NSN cross-reference
Reference document — Secondary reference
48EReference document
Same NSN cross-reference
Reference document — Secondary reference
EN18-61Reference document
Same NSN cross-reference
Reference document — Secondary reference
48Reference document
Same NSN cross-reference
Reference document — Secondary reference
X1020Reference document
Same NSN cross-reference
Reference document — Secondary reference
1180Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 904-030?
904-030 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 904-030?
There are 9 known substitutes for 904-030: 348220, 48E, EN18-61 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 904-030?
904-030 is cataloged in the U.S. Government catalog under NSN 4820-00-274-3646. This indicates validated use in U.S. government and defense supply chains.
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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.