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A8139 — COIL,RADIO FREQUENCY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A8139: COIL,RADIO FREQUENCY.

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 2.031 INCHES NOMINAL IN, overall_width: 1.188 INCHES NOMINAL IN, rating_method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING, turn_quantity: 75 SINGLE COMPONENT SINGLE WINDING, coil_form_type: HOLLOW SINGLE COMPONENT, inclosure_type: FULLY INCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-008-9925, 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
A8139
NSN: 4820-00-008-9925
NIINs: 000089925, 006459514, 010483974
FSC: 4820 — Valves, Nonpowered
CAGE: 49524 — SCOTSMAN INDUSTRIES INC DIV SCOTSMAN ICE SYSTEMS (USA)
SPECIFICATIONS
body_length2.031 INCHES NOMINAL IN
overall_width1.188 INCHES NOMINAL IN
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity75 SINGLE COMPONENT SINGLE WINDING
coil_form_typeHOLLOW SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_height0.750 INCHES NOMINAL IN
mounting_methodTERMINAL SINGLE GROUP
inductance_rating100.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
component_quantity8
reliability_indicatorNOT ESTABLISHED
winding_conductor_size0.03196 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
NSN4820-00-008-9925
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A8139 · 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
•
COMPONENT QUANTITY: 8
•
NONSUPPLY ITEMS AND QUANTITIES: STEM ASSEMBLY 1,PACKING SET 1,GASKET 2,SPRING SEAT 1,SPRING RETAINER 1,SPRING 1,DISK 1
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY8
NONSUPPLY ITEMS AND QUANTITIESSTEM ASSEMBLY 1,PACKING SET 1,GASKET 2,SPRING SEAT 1,SPRING RETAINER 1,SPRING 1,DISK 1
SUBSTITUTES & CROSS-REFERENCES 2
A23005Reference document
Same NSN cross-reference
Reference document — Secondary reference
A0813920Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A8139?
A8139 is a COIL,RADIO FREQUENCY.
What parts can replace A8139?
There are 2 known substitutes for A8139: A23005, A0813920. Substitute compatibility should be verified for your specific system.
What is the NSN for A8139?
A8139 is cataloged in the U.S. Government catalog under NSN 4820-00-008-9925. 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.