PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55249Insulator,plate

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 5970-00-681-7998 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-681-7998 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-681-7998. Primary manufacturer part number: 55249.
Features
  • Insulator,plate — FSC 5970
  • First Hole Diameter: 0.157 INCHES NOMINAL IN
  • Material: GLASS FIBER AND PLASTIC EPOXY OVERALL
  • First Hole Spacing: 0.156 INCHES NOMINAL IN
  • Style Designator: FLAT, RECTANGULAR
  • Third Hole Spacing: 1.125 INCHES NOMINAL IN
  • Second Hole Spacing: 0.187 INCHES NOMINAL IN
  • Material Document and Classification: MIL-P-18177, TYPE GEE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Applications requiring Glass Fiber and Plastic Epoxy Overall construction
General Description

The Insulator,plate, cataloged under National Stock Number 5970-00-681-7998, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-681-7998
Primary Part Number55249
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
First Hole Diameter0.157 INCHES NOMINAL IN
MaterialGLASS FIBER AND PLASTIC EPOXY OVERALL
First Hole Spacing0.156 INCHES NOMINAL IN
Style DesignatorFLAT, RECTANGULAR
Third Hole Spacing1.125 INCHES NOMINAL IN
Second Hole Spacing0.187 INCHES NOMINAL IN
Material Document and ClassificationMIL-P-18177, TYPE GEE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Second Hole Diameter0.157 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-291-1506455249 INTERCHANGEABLE
Seal,plain Encased
Chrysler Realty Company Llc Dba Daimler Chrysler
5360-01-107-773955249 INTERCHANGEABLE
Spring
Mcneil Ohio Corp
6145-01-114-8879 INTERCHANGEABLE
Resistor-Cable Asse
5330-01-393-5709800029 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Danfoss Inc
Cross-Reference Index
Part NumberManufacturer
55249 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
55249 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
Related Parts
5330-00-291-1506INTERCHANGEABLE
SEAL,PLAIN ENCASED
455249
5360-01-107-7739INTERCHANGEABLE
SPRING
55249
6145-01-114-8879INTERCHANGEABLE
RESISTOR-CABLE ASSE
5330-01-393-5709INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
800029

Frequently Asked Questions

What is NSN 5970-00-681-7998?

NSN 5970-00-681-7998 is a Insulator,plate, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-681-7998?

NSN 5970-00-681-7998 has 2 cross-referenced part numbers: 55249 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 55249 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division).

What NSN replaces 5970-00-681-7998?

There are 4 known substitutes for 5970-00-681-7998: 5330-00-291-1506, 5360-01-107-7739, 6145-01-114-8879 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55249?

Key specifications for 55249: First Hole Diameter: 0.157 INCHES NOMINAL IN; Material: GLASS FIBER AND PLASTIC EPOXY OVERALL; First Hole Spacing: 0.156 INCHES NOMINAL IN; Style Designator: FLAT, RECTANGULAR. 11 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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