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A17993 — REACTOR-TRANSFORMER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A17993: REACTOR-TRANSFORMER.

The REACTOR-TRANSFORMER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_width: 9.000 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE SECONDARY, component_name: SUPPORT HANDLE, inclosure_type: HERMETICALLY SEALED, overall_height: 9.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-808-4060, 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
A17993
NSN: 5331-00-808-4060
NIINs: 008084060, 010391103, 013475878
FSC: 5331 — O-ring
CAGE: 0EYA6 — DEFENSE MARITIME SOLUTIONS, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_width9.000 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE SECONDARY
component_nameSUPPORT HANDLE
inclosure_typeHERMETICALLY SEALED
overall_height9.000 INCHES NOMINAL IN
overall_length10.000 INCHES NOMINAL IN
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating380.0 HERTZ MINIMUM AND 430.0 HERTZ MAXIMUM ALL COMPONENTS
inductance_rating400.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
component_quantity2
nominal_thread_size0.190 INCHES SINGLE GROUP IN
NSN5331-00-808-4060
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A17993 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
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 17.970 INCHES MINIMUM AND 18.030 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
CENTER HOLE DIAMETER17.970 INCHES MINIMUM AND 18.030 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 1
RW6431KSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A17993?
A17993 is a REACTOR-TRANSFORMER.
What parts can replace A17993?
There is 1 known substitute for A17993: RW6431K. Substitute compatibility should be verified for your specific system.
What is the NSN for A17993?
A17993 is cataloged in the U.S. Government catalog under NSN 5331-00-808-4060. 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.