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121-104 — RESISTOR,VARIABLE,WIRE WOUND,NON

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

121-104: RESISTOR,VARIABLE,WIRE WOUND,NON.

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: STEEL, body_style: RECTANGULAR W/MOUNTING HOLES/SLOTS, body_width: 0.190 INCHES NOMINAL IN, head_style: HEXAGON, body_height: 0.320 INCHES NOMINAL IN, body_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-030-0729, 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→ 121-104
NSN: 5330-00-030-0729
NIINs: 000300729, 009409011, 009603760, 010937645, 012906897
FSC: 5330 — Packing and Gasket Materials
CAGE: 71500 — ACF INDUSTRIES INC CARTER CARBURETOR DIV
SPECIFICATIONS
materialSTEEL
body_styleRECTANGULAR W/MOUNTING HOLES/SLOTS
body_width0.190 INCHES NOMINAL IN
head_styleHEXAGON
body_height0.320 INCHES NOMINAL IN
body_length1.250 INCHES NOMINAL IN
head_height0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
shaft_styleROUND, SLOTTED
shaft_length0.075 INCHES NOMINAL IN
thread_class2A A
actuator_typeSINGLE SHAFT
cubic_measure2.00 CUBIC FEET
NSN5330-00-030-0729
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 121-104 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 2
855554Reference document
Same NSN cross-reference
Reference document — Secondary reference
963800Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121-104?
121-104 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 121-104?
There are 2 known substitutes for 121-104: 855554, 963800. Substitute compatibility should be verified for your specific system.
What is the NSN for 121-104?
121-104 is cataloged in the U.S. Government catalog under NSN 5330-00-030-0729. This indicates validated use in U.S. government and defense supply chains.
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