PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1559549Relay,resonant Reed

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5945-00-979-8257 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-979-8257 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-979-8257. Primary manufacturer part number: 1559549.
Features
  • Relay,resonant Reed — FSC 5945
  • Coil Quantity: 1
  • Winding Quantity: 1
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Resonant Reed Quantity: 1
  • Resonant Reed Frequency in Hertz: 68.0 SINGLE REED
  • Frequency Tolerance in Percent: -0.3 TO 0.3 SINGLE REED
  • Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,resonant Reed, cataloged under National Stock Number 5945-00-979-8257, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-979-8257
Primary Part Number1559549
Item NameRelay,resonant Reed
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Coil Quantity1
Winding Quantity1
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Resonant Reed Quantity1
Resonant Reed Frequency in Hertz68.0 SINGLE REED
Frequency Tolerance in Percent-0.3 TO 0.3 SINGLE REED
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Winding DC Resistance Rating330.0 OHMS NOMINAL
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-217-6923EM10-932 INTERCHANGEABLE
Cutter,milling,end
Sharp Carbide Tool Co Inc
4310-01-091-251387834 INTERCHANGEABLE
Seal,compressor
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
5306-01-342-90413408-8-34 INTERCHANGEABLE
Bolt,shear
Howmet Global Fastening Systems Inc Div Torrance Operations
5133-01-360-7734C46489 INTERCHANGEABLE
Counterbore,machine
Kennametal Inc. Div Kennametal Industrial Products Group
5961-01-371-2111J501 INTERCHANGEABLE
Semiconductor Device,diode
Siliconix Incorporated Div Siliconix
5998-01-565-8125J501 INTERCHANGEABLE
Electronic Components Assembly
Quickset Defense Technologies Llc
Cross-Reference Index
Part NumberManufacturer
87834 Ricoh Americas Corporation (USA)
J501 Hazlow Electronics, Inc. Dba Hazlow Electronics Inc (USA)
RR1-68CPS3300T Avo Intl (USA)
1559549 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3455-00-217-6923INTERCHANGEABLE
CUTTER,MILLING,END
EM10-932
4310-01-091-2513INTERCHANGEABLE
SEAL,COMPRESSOR
87834
5306-01-342-9041INTERCHANGEABLE
BOLT,SHEAR
3408-8-34
5133-01-360-7734INTERCHANGEABLE
COUNTERBORE,MACHINE
C46489
5961-01-371-2111INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
J501
5998-01-565-8125INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
J501

Frequently Asked Questions

What is NSN 5945-00-979-8257?

NSN 5945-00-979-8257 is a Relay,resonant Reed, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-979-8257?

NSN 5945-00-979-8257 has 4 cross-referenced part numbers: 87834 (Ricoh Americas Corporation), J501 (Hazlow Electronics, Inc. Dba Hazlow Electronics Inc), RR1-68CPS3300T (Avo Intl), 1559549 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5945-00-979-8257?

There are 6 known substitutes for 5945-00-979-8257: 3455-00-217-6923, 4310-01-091-2513, 5306-01-342-9041 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1559549?

Key specifications for 1559549: Coil Quantity: 1; Winding Quantity: 1; Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Overall Width: 0.920 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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