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1142A39 — ARRESTER,LIGHTNING

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

1142A39: ARRESTER,LIGHTNING.

The ARRESTER,LIGHTNING is a the manufacturer industrial component. Key specifications include special_features: PROVIDES LIGHTNING PROTECTION TO THE PREAMP, ROTOR AND STATOR ASSEMBLIES; AKA UPPER TRANSIENT SUPPRESSION BOX, end_item_identification: FPS,ARSR-1,ARSR-2,ARSR-3. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-379-5289, 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→ 1142A39
NSN: 5330-01-379-5289
NIINs: 013795289, 015605054
FSC: 5330 — Packing and Gasket Materials
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
special_featuresPROVIDES LIGHTNING PROTECTION TO THE PREAMP, ROTOR AND STATOR ASSEMBLIES; AKA UPPER TRANSIENT SUPPRESSION BOX
end_item_identificationFPS,ARSR-1,ARSR-2,ARSR-3
NSN5330-01-379-5289
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1142A39 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONUSED ON TACAN EQUIPMENT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 1142A39?
1142A39 is a ARRESTER,LIGHTNING. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 1142A39?
1142A39 is cataloged in the U.S. Government catalog under NSN 5330-01-379-5289. 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.