PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

621-270Contact,electrical

Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc · NSN 5999-00-035-7910 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-035-7910 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-035-7910. Primary manufacturer part number: 621-270.
Features
  • Contact,electrical — FSC 5999
  • Mounting Method: PIN(S)
  • Terminal Type and Quantity: 1 WIRE LEAD AXIALLY AT ONE END
  • Precious Material and Weight: 0.100 SILVER GRAINS, TROY
  • Style Designator: LEAF TAP CONTACT W/ ROUND FIXED POINT
  • Material: SILVER CONTACT
  • Current Rating in Amps: 51.7
  • Point Height: 0.180 INCHES NOMINAL IN
Applications
  • Applications requiring Silver Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-035-7910, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-035-7910
Primary Part Number621-270
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerDrs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
StatusCANCELLED
Mounting MethodPIN(S)
Terminal Type and Quantity1 WIRE LEAD AXIALLY AT ONE END
Precious Material and Weight0.100 SILVER GRAINS, TROY
Style DesignatorLEAF TAP CONTACT W/ ROUND FIXED POINT
MaterialSILVER CONTACT
Current Rating in Amps51.7
Point Height0.180 INCHES NOMINAL IN
Voltage Rating in Volts440.0 AC
Point Diameter0.220 INCHES NOMINAL IN
Precious MaterialSILVER
MaterialCOPPER ALLOY BODY
Precious Material and LocationCONTACT SILVER
Mounting Facility Quantity2
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL IN
Mounting MethodPIN(S)
Terminal Type and Quantity1 WIRE LEAD AXIALLY AT ONE END
Precious Material and Weight0.100 SILVER GRAINS, TROY
Style DesignatorLEAF TAP CONTACT W/ ROUND FIXED POINT
MaterialSILVER CONTACT
Current Rating in Amps51.7
Point Height0.180 INCHES NOMINAL IN
Voltage Rating in Volts440.0 AC
Point Diameter0.220 INCHES NOMINAL IN
Precious MaterialSILVER
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 2
5905-00-111-4738 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-121-9923 INTERCHANGEABLE
Resistor,fixed,composition
Cross-Reference Index
Part NumberManufacturer
621-270 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
45551-1F2 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
M88860X1 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
Related Parts
5905-00-111-4738INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-121-9923INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION

Frequently Asked Questions

What is NSN 5999-00-035-7910?

NSN 5999-00-035-7910 is a Contact,electrical, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-035-7910?

NSN 5999-00-035-7910 has 3 cross-referenced part numbers: 621-270 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), 45551-1F2 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), M88860X1 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).

What NSN replaces 5999-00-035-7910?

There are 2 known substitutes for 5999-00-035-7910: 5905-00-111-4738, 5905-00-121-9923. Verify interchangeability with system specifications before substitution.

What are the specifications of 621-270?

Key specifications for 621-270: Mounting Method: PIN(S); Terminal Type and Quantity: 1 WIRE LEAD AXIALLY AT ONE END; Precious Material and Weight: 0.100 SILVER GRAINS, TROY; Style Designator: LEAF TAP CONTACT W/ ROUND FIXED POINT. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-035-7910 still in active supply?

NSN 5999-00-035-7910 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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