PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3151784Insulator,washer

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5970-01-074-8359 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-074-8359 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-074-8359. Primary manufacturer part number: 3151784.
Features
  • Insulator,washer — FSC 5970
  • Style Designator: ROUND, FLAT
  • Material: PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
  • Inside Diameter: 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
  • Outside Diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyhexamethylene Amide Overall construction
General Description

The Insulator,washer, cataloged under National Stock Number 5970-01-074-8359, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-074-8359
Primary Part Number3151784
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Style DesignatorROUND, FLAT
MaterialPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
Inside Diameter0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
Outside Diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2995-00-511-7639350199 INTERCHANGEABLE
Cover,shipping Star
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
6640-01-153-56364612 INTERCHANGEABLE
Filter Unit,hypodermic Syringe
Pall Life Sciences Inc. Div Pall Life Sciences
Cross-Reference Index
Part NumberManufacturer
3151784 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
350199 Lockheed Martin Corporation Div Rms (USA)
350199 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
2995-00-511-7639INTERCHANGEABLE
COVER,SHIPPING STAR
350199
6640-01-153-5636INTERCHANGEABLE
FILTER UNIT,HYPODERMIC SYRINGE
4612

Frequently Asked Questions

What is NSN 5970-01-074-8359?

NSN 5970-01-074-8359 is a Insulator,washer, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-074-8359?

NSN 5970-01-074-8359 has 3 cross-referenced part numbers: 3151784 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 350199 (Lockheed Martin Corporation Div Rms), 350199 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5970-01-074-8359?

There are 2 known substitutes for 5970-01-074-8359: 2995-00-511-7639, 6640-01-153-5636. Verify interchangeability with system specifications before substitution.

What are the specifications of 3151784?

Key specifications for 3151784: Special Features: MICRO INCH FINISH 125; Style Designator: ROUND, FLAT; Material: PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL; Overall Height: 0.040 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN. 6 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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