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20-237 — RESISTOR,VARIABLE,WIRE WOUND,PRE

✓ Government record, cited
ICY BOX · MRO · MRO_GENERAL
PRODUCT OVERVIEW

20-237: RESISTOR,VARIABLE,WIRE WOUND,PRE.

Key features: - Aluminium case with hair lined surface - USB 3.0 Host Interface up to 5 Gbit/s - and eSATA up to 3 Gbit/s - LED for power and HDD access - HDD up to 9.5 mm height, capacity not limited - Supports Windows XP/Vista/7/8 and MAC OS - Plug & Play and Hot Swap This part is cataloged in the U.S. Government catalog under NSN 5340-00-167-9174, 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→ 20-237
NSN: 5340-00-167-9174
NIINs: 001679174, 003559791, 004412760, 004637607, 007827743, 010250457, 010863938, 011320579, 011546584, 011677882, 011769634, 012694392, 015346434, 015351902, 015908850, 016118945
FSC: 5340 — Hardware, Commercial
CAGE: 27235 — HARDIE-TYNES CO., INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY
seat_typeGASKET
body_styleCYLINDRICAL BUSHING MOUNTED
body_width0.295 INCHES MAXIMUM IN
body_height0.180 INCHES NOMINAL IN
body_length0.785 INCHES MAXIMUM IN
bonnet_typeINSIDE SPRING
design_typeTHREADED
shaft_styleROUND
shaft_length0.500 INCHES NOMINAL IN
thread_class3B
actuator_typeSINGLE SHAFT
NSN5340-00-167-9174
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20-237 MFR: ICY BOX ⚠ 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
KEY FEATURES
•
WIDTH ACROSS FLATS: 1.062 INCHES NOMINAL IN
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 1.062 INCHES NOMINAL IN
•
THREAD CLASS: 3B
•
MATERIAL: STEEL
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.625-18 UNF
•
INSIDE DIAMETER LENGTH: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.062 INCHES NOMINAL IN
DESIGN TYPETHREADED
OVERALL DIAMETER1.062 INCHES NOMINAL IN
THREAD CLASS3B
MATERIALSTEEL
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.625-18 UNF
INSIDE DIAMETER LENGTH0.625 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 9
150-406FFPC237Reference document
Same NSN cross-reference
Reference document — Secondary reference
150-409FFPC237Reference document
Same NSN cross-reference
Reference document — Secondary reference
150-619FFPC237Reference document
Same NSN cross-reference
Reference document — Secondary reference
150-406ZPC237Reference document
Same NSN cross-reference
Reference document — Secondary reference
150-619FPC237Reference document
Same NSN cross-reference
Reference document — Secondary reference
150-406YPC237Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20-237?
20-237 is a RESISTOR,VARIABLE,WIRE WOUND,PRE manufactured by ICY BOX. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20-237?
There are 9 known substitutes for 20-237: 150-406FFPC237, 150-409FFPC237, 150-619FFPC237 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-237?
20-237 is cataloged in the U.S. Government catalog under NSN 5340-00-167-9174. 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.