PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1-0421-1
1-0421-1 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL COMP 316, tube_type: KLYSTRON, body_style: PLAIN, body_width: 0.310 INCHES MAXIMUM IN, body_height: 0.185 INCHES MAXIMUM IN, body_length: 0.896 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-375-0932, 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
1-0421-1
NSN: 5330-00-375-0932
FSC: 5330
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 316
tube_typeKLYSTRON
body_stylePLAIN
body_width0.310 INCHES MAXIMUM IN
body_height0.185 INCHES MAXIMUM IN
body_length0.896 INCHES MAXIMUM IN
corner_shapeSQUARE ALL CORNERS
overall_width1.200 INCHES NOMINAL IN
cooling_methodSELF-COOLED
overall_height0.570 INCHES NOMINAL IN
overall_length156.5 MILLIMETERS NOMINAL MM
fragility_factorMODERATELY RUGGED
NSN5330-00-375-0932
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1-0421-1 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
49960Interchangeable
interchangeable cross-reference
interchangeable
106057-001Interchangeable
interchangeable cross-reference
interchangeable
1000-0200-1Interchangeable
interchangeable cross-reference
interchangeable
8167756-1Interchangeable
interchangeable cross-reference
interchangeable
ZV1011Interchangeable
interchangeable cross-reference
interchangeable
DMS 81051BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-0421-1?
1-0421-1 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace 1-0421-1?
There are 15 known substitutes for 1-0421-1: 49960, 106057-001, 1000-0200-1 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-0421-1?
1-0421-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-375-0932. 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