PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5622-10-7Insulator,washer

Seastrom Manufacturing Co Inc · NSN 5970-00-143-4279 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-143-4279 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-143-4279. Primary manufacturer part number: 5622-10-7.
Features
  • Insulator,washer — FSC 5970
  • Material: PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) OVERALL
  • Outside Diameter: 0.310 INCHES NOMINAL IN
  • Style Designator: ROUND, FLAT
  • Inside Diameter: 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: Seastrom Manufacturing Co Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyethylene Terephthalate (pet)(polyester) Overall construction
General Description

The Insulator,washer, cataloged under National Stock Number 5970-00-143-4279, 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 Seastrom Manufacturing Co Inc. Government technical data includes 4 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-143-4279
Primary Part Number5622-10-7
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerSeastrom Manufacturing Co Inc
StatusACTIVE
MaterialPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) OVERALL
Outside Diameter0.310 INCHES NOMINAL IN
Style DesignatorROUND, FLAT
Inside Diameter0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5845-00-543-1869B18703P8 INTERCHANGEABLE
Sonobuoy
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Cross-Reference Index
Part NumberManufacturer
10154449 Nimikkeistokeskus Ncb Finland (FIN)
5622-10-7 PRIMARY Seastrom Manufacturing Co Inc (USA)
980094-6 Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
950004-8 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5845-00-543-1869INTERCHANGEABLE
SONOBUOY
B18703P8

Frequently Asked Questions

What is NSN 5970-00-143-4279?

NSN 5970-00-143-4279 is a Insulator,washer, manufactured by Seastrom Manufacturing Co Inc, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-143-4279?

NSN 5970-00-143-4279 has 4 cross-referenced part numbers: 10154449 (Nimikkeistokeskus Ncb Finland), 5622-10-7 (Seastrom Manufacturing Co Inc), 980094-6 (Parker Hannifin Corporation Div Hydraulic Systems Division), 950004-8 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5970-00-143-4279?

There is 1 known substitute for 5970-00-143-4279: 5845-00-543-1869. Verify interchangeability with system specifications before substitution.

What are the specifications of 5622-10-7?

Key specifications for 5622-10-7: Material: PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) OVERALL; Outside Diameter: 0.310 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Overall Height: 0.007 INCHES NOMINAL IN. 5 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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