PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5638Insulator,washer

Aerocontrolex Group, Inc. Div Talley Actuators · NSN 5970-01-378-0974 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-378-0974 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-378-0974. Primary manufacturer part number: 5638.
Features
  • Insulator,washer — FSC 5970
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Outside Diameter: 2.766 INCHES NOMINAL IN
  • Inside Diameter: 0.625 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Aerocontrolex Group, Inc. Div Talley Actuators
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Insulator,washer, cataloged under National Stock Number 5970-01-378-0974, 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 Aerocontrolex Group, Inc. Div Talley Actuators. Government technical data includes 3 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-378-0974
Primary Part Number5638
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerAerocontrolex Group, Inc. Div Talley Actuators
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Outside Diameter2.766 INCHES NOMINAL IN
Inside Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-036-178656-3-8 INTERCHANGEABLE
Ring,warn,nozzle
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5330-00-190-4224X365 INTERCHANGEABLE
Gasket
Cummins Power Generation Inc.
5935-00-244-8228160037P1 INTERCHANGEABLE
Connector,plug,electrical
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3950-00-279-8159 INTERCHANGEABLE
Brake Shoe,inner
5905-00-483-4010 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5960-00-926-2578 INTERCHANGEABLE
Electron Tube
6515-01-558-980933906 INTERCHANGEABLE
Humidifier,continuous Positive a
Dimensions Medical Supply Group, Inc. Dba D M S G
Cross-Reference Index
Part NumberManufacturer
5638 PRIMARY Aerocontrolex Group, Inc. Div Talley Actuators (USA)
Related Parts
4820-00-036-1786INTERCHANGEABLE
RING,WARN,NOZZLE
56-3-8
5330-00-190-4224INTERCHANGEABLE
GASKET
X365
5935-00-244-8228INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
160037P1
3950-00-279-8159INTERCHANGEABLE
BRAKE SHOE,INNER
5905-00-483-4010INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5960-00-926-2578INTERCHANGEABLE
ELECTRON TUBE
6515-01-558-9809INTERCHANGEABLE
HUMIDIFIER,CONTINUOUS POSITIVE A
33906

Frequently Asked Questions

What is NSN 5970-01-378-0974?

NSN 5970-01-378-0974 is a Insulator,washer, manufactured by Aerocontrolex Group, Inc. Div Talley Actuators, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-378-0974?

NSN 5970-01-378-0974 has 1 cross-referenced part number: 5638 (Aerocontrolex Group, Inc. Div Talley Actuators).

What NSN replaces 5970-01-378-0974?

There are 7 known substitutes for 5970-01-378-0974: 4820-00-036-1786, 5330-00-190-4224, 5935-00-244-8228 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5638?

Key specifications for 5638: Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Outside Diameter: 2.766 INCHES NOMINAL IN; Overall Height: 0.010 INCHES NOMINAL IN; Inside Diameter: 0.625 INCHES NOMINAL IN. 4 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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