PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100SFP18Relay,electromagnetic

Dri Relays Inc. Dba Dri Relays Inc · NSN 5945-00-838-4421 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-838-4421 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-838-4421. Primary manufacturer part number: 100SFP18.
Features
  • Relay,electromagnetic — FSC 5945
  • Environmental Protection: HERMETIC
  • Nonpile-Up Main Contact Arrangement: 6 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Operating Voltage Rating and Type at Specified Temp: 100.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Nominal Operating Current Rating and Type: 20.0 MILLIAMPERES DC SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 1.5 AMPERES AC AND 1.5 AMPERES DC RESISTIVE LOAD
  • Terminal Type and Quantity: 20 PIN ALL FUNCTIONS
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 26.5 DC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-838-4421, 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 Dri Relays Inc. Dba Dri Relays Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-838-4421
Primary Part Number100SFP18
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerDri Relays Inc. Dba Dri Relays Inc
StatusACTIVE
Environmental ProtectionHERMETIC
Nonpile-Up Main Contact Arrangement6 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Operating Voltage Rating and Type at Specified Temp100.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nominal Operating Current Rating and Type20.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage1.5 AMPERES AC AND 1.5 AMPERES DC RESISTIVE LOAD
Terminal Type and Quantity20 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 26.5 DC
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Winding Quantity1
Coil Quantity1
Winding DC Resistance Rating2.3 KILOHMS NOMINAL SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4140-00-086-36700-1031-5 INTERCHANGEABLE
Impeller,fan,axial
Regal-Beloit Corporation Dba Fasco Group Div Cassville Division
5315-00-422-9829010-315 INTERCHANGEABLE
Pin,tapered,threaded
Dresser Industries Inc Leroi Div
4010-01-361-1379 INTERCHANGEABLE
Wire Rope Assembly,single Leg
6515-01-398-6634 INTERCHANGEABLE
Stapler,surgical
6515-01-414-2054 INTERCHANGEABLE
Stapler,surgical
6550-01-487-6919CT0036B INTERCHANGEABLE
Test,susceptibility,nitrofuranto
Remel Inc.
6520-01-536-483301-0315 INTERCHANGEABLE
Passer,wire
Biomet Microfixation, Llc Div Biomet Microfixation
5331-01-553-6655010315 INTERCHANGEABLE
O-Ring
Renk-Maag Gmbh
Cross-Reference Index
Part NumberManufacturer
100SFP18 PRIMARY Dri Relays Inc. Dba Dri Relays Inc (USA)
640B010315 Dri Relays Inc. Dba Dri Relays Inc (USA)
010315 L3 Technologies, Inc. Div L3 Keo (USA)
B640-158 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
4140-00-086-3670INTERCHANGEABLE
IMPELLER,FAN,AXIAL
0-1031-5
5315-00-422-9829INTERCHANGEABLE
PIN,TAPERED,THREADED
010-315
4010-01-361-1379INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
6515-01-398-6634INTERCHANGEABLE
STAPLER,SURGICAL
6515-01-414-2054INTERCHANGEABLE
STAPLER,SURGICAL
6550-01-487-6919INTERCHANGEABLE
TEST,SUSCEPTIBILITY,NITROFURANTO
CT0036B
6520-01-536-4833INTERCHANGEABLE
PASSER,WIRE
01-0315
5331-01-553-6655INTERCHANGEABLE
O-RING
010315

Frequently Asked Questions

What is NSN 5945-00-838-4421?

NSN 5945-00-838-4421 is a Relay,electromagnetic, manufactured by Dri Relays Inc. Dba Dri Relays Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-838-4421?

NSN 5945-00-838-4421 has 4 cross-referenced part numbers: 100SFP18 (Dri Relays Inc. Dba Dri Relays Inc), 640B010315 (Dri Relays Inc. Dba Dri Relays Inc), 010315 (L3 Technologies, Inc. Div L3 Keo), B640-158 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 5945-00-838-4421?

There are 8 known substitutes for 5945-00-838-4421: 4140-00-086-3670, 5315-00-422-9829, 4010-01-361-1379 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100SFP18?

Key specifications for 100SFP18: Environmental Protection: HERMETIC; Nonpile-Up Main Contact Arrangement: 6 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Operating Voltage Rating and Type at Specified Temp: 100.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Nominal Operating Current Rating and Type: 20.0 MILLIAMPERES DC SINGLE WINDING. 15 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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