PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-550Holder,electrical Card

Bivar Inc · NSN 5998-01-187-9990 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-187-9990 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-187-9990. Primary manufacturer part number: E-550.
Features
  • Holder,electrical Card — FSC 5998
  • Material: PLASTIC POLYAMIDE NYLON
  • Unthreaded Mounting Hole Diameter: 0.172 INCHES NOMINAL ALL MOUNTING FACILITIES IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
  • Material: PLASTIC POLYAMIDE NYLON
  • Unthreaded Mounting Hole Diameter: 0.172 INCHES NOMINAL ALL MOUNTING FACILITIES IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
  • 1 verified cross-reference
Applications
  • Applications requiring Plastic Polyamide Nylon construction
General Description

The Holder,electrical Card, cataloged under National Stock Number 5998-01-187-9990, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Bivar Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-187-9990
Primary Part NumberE-550
Item NameHolder,electrical Card
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerBivar Inc
StatusACTIVE
MaterialPLASTIC POLYAMIDE NYLON
Unthreaded Mounting Hole Diameter0.172 INCHES NOMINAL ALL MOUNTING FACILITIES IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
MaterialPLASTIC POLYAMIDE NYLON
Unthreaded Mounting Hole Diameter0.172 INCHES NOMINAL ALL MOUNTING FACILITIES IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.0300 lbs
Cube0.0002 cu ft
Verified Substitutes 3
5950-01-267-4551 INTERCHANGEABLE
Transformer,power
6105-01-363-89985N262 INTERCHANGEABLE
Motor,alternating Current
W.w. Grainger, Inc. Div Government Sales Division
6810-01-571-5481E550 INTERCHANGEABLE
Glycerol
Amresco Inc.
Cross-Reference Index
Part NumberManufacturer
E-550 PRIMARY Bivar Inc (USA)
Related Parts
5950-01-267-4551INTERCHANGEABLE
TRANSFORMER,POWER
6105-01-363-8998INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5N262
6810-01-571-5481INTERCHANGEABLE
GLYCEROL
E550

Frequently Asked Questions

What is NSN 5998-01-187-9990?

NSN 5998-01-187-9990 is a Holder,electrical Card, manufactured by Bivar Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-187-9990?

NSN 5998-01-187-9990 has 1 cross-referenced part number: E-550 (Bivar Inc).

What NSN replaces 5998-01-187-9990?

There are 3 known substitutes for 5998-01-187-9990: 5950-01-267-4551, 6105-01-363-8998, 6810-01-571-5481. Verify interchangeability with system specifications before substitution.

What are the specifications of E-550?

Key specifications for E-550: Material: PLASTIC POLYAMIDE NYLON; Unthreaded Mounting Hole Diameter: 0.172 INCHES NOMINAL ALL MOUNTING FACILITIES IN; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) ALL MOUNTING FACILITIES; Overall Width: 2.000 INCHES NOMINAL IN. 12 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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