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PartsTable / MRO / 145A
145A ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include bearings: NOT INCLUDED, material: STEEL OVERALL, bore_type: STRAIGHT, face_width: 0.875 INCHES NOMINAL IN, body_length: 0.812 INCHES NOMINAL IN, bore_length: 1.625 INCHES NOMINAL 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 5340-00-480-6054, 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→ 145A
NSN: 5340-00-480-6054
FSC: 5340
CAGE: 35281 — DOMINION LOCK CO LTD (CAN)
SPECIFICATIONS
bearingsNOT INCLUDED
materialSTEEL OVERALL
bore_typeSTRAIGHT
face_width0.875 INCHES NOMINAL IN
body_length0.812 INCHES NOMINAL IN
bore_length1.625 INCHES NOMINAL IN
design_formWEBBED
bore_featureINCLUDED
groove_shapeU
groove_width0.875 INCHES NOMINAL IN
power_rating1.000 KILOWATTS PEAK AND 1.000 WATTS AVERAGE
body_diameter0.219 INCHES NOMINAL IN
NSN5340-00-480-6054
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 145A 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 (FLIS)
SPECIAL FEATURESBRASS OR NICKEL SILVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
U4578-1Interchangeable
interchangeable cross-reference
interchangeable
SC4Interchangeable
interchangeable cross-reference
interchangeable
8022088Interchangeable
interchangeable cross-reference
interchangeable
MILR12551Interchangeable
interchangeable cross-reference
interchangeable
70934815VInterchangeable
interchangeable cross-reference
interchangeable
1325982Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 145A?
145A is a RESISTOR,FIXED,COMPOSITION. It is classified as a MRO (MRO_GENERAL).
What parts can replace 145A?
There are 14 known substitutes for 145A: U4578-1, SC4, 8022088 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 145A?
145A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-480-6054. 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