PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5624-17-3Insulator,washer

Seastrom Manufacturing Co Inc · NSN 5970-01-150-9456 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-150-9456 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-150-9456. Primary manufacturer part number: 5624-17-3.
Features
  • Insulator,washer — FSC 5970
  • Criticality Code Justification: ZZZY
  • Style Designator: ROUND, FLAT
  • Material: MICA OVERALL
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Inside Diameter: 0.200 INCHES NOMINAL IN
  • Outside Diameter: 0.688 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Mica Overall construction
General Description

The Insulator,washer, cataloged under National Stock Number 5970-01-150-9456, 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 6 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-150-9456
Primary Part Number5624-17-3
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerSeastrom Manufacturing Co Inc
StatusACTIVE
Criticality Code JustificationZZZY
Style DesignatorROUND, FLAT
MaterialMICA OVERALL
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Inside Diameter0.200 INCHES NOMINAL IN
Outside Diameter0.688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5955-00-063-9193120372 INTERCHANGEABLE
Crystal Unit,quartz
The Boeing Company Div Defense
5970-00-134-90735624-17-3 INTERCHANGEABLE
Insulator,washer
Seastrom Manufacturing Co Inc
5935-00-201-842912037-2 INTERCHANGEABLE
Jack,tip
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5310-00-982-4938 INTERCHANGEABLE
Nut,plain,square
5995-01-605-7194120372-A00 INTERCHANGEABLE
Cable Assembly,special Purpose,e
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
5624-17-3 Seastrom Manufacturing Co Inc (USA)
120372 Lockheed Martin Corp (USA)
Related Parts
5955-00-063-9193INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
120372
5970-00-134-9073INTERCHANGEABLE
INSULATOR,WASHER
5624-17-3
5935-00-201-8429INTERCHANGEABLE
JACK,TIP
12037-2
5310-00-982-4938INTERCHANGEABLE
NUT,PLAIN,SQUARE
5995-01-605-7194INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
120372-A00

Frequently Asked Questions

What is NSN 5970-01-150-9456?

NSN 5970-01-150-9456 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 5970-01-150-9456?

NSN 5970-01-150-9456 has 2 cross-referenced part numbers: 5624-17-3 (Seastrom Manufacturing Co Inc), 120372 (Lockheed Martin Corp).

What NSN replaces 5970-01-150-9456?

There are 5 known substitutes for 5970-01-150-9456: 5955-00-063-9193, 5970-00-134-9073, 5935-00-201-8429 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5624-17-3?

Key specifications for 5624-17-3: Criticality Code Justification: ZZZY; Overall Height: 0.172 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Material: MICA OVERALL. 7 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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