PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1401-21Insulator,bushing

Lta/d-Cemco Inc Dba D-Cemco · NSN 5970-01-269-8410 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-269-8410 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-269-8410. Primary manufacturer part number: 1401-21.
Features
  • Insulator,bushing — FSC 5970
  • Material Document and Classification: L-P-509, TYPE 4, GRADE G-10 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SHOULDER
  • Material: GLASS AND PLASTIC EPOXY OVERALL
  • Shank Outside Diameter: 0.338 INCHES NOMINAL IN
  • Inside Diameter: 0.260 INCHES NOMINAL IN
  • Shank Height: 0.035 INCHES NOMINAL IN
  • Outside Diameter: 0.500 INCHES NOMINAL IN
Applications
  • Applications requiring Glass and Plastic Epoxy Overall construction
General Description

The Insulator,bushing, cataloged under National Stock Number 5970-01-269-8410, 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 Lta/d-Cemco Inc Dba D-Cemco. Government technical data includes 7 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-269-8410
Primary Part Number1401-21
Item NameInsulator,bushing
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerLta/d-Cemco Inc Dba D-Cemco
StatusACTIVE
Material Document and ClassificationL-P-509, TYPE 4, GRADE G-10 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSHOULDER
MaterialGLASS AND PLASTIC EPOXY OVERALL
Shank Outside Diameter0.338 INCHES NOMINAL IN
Inside Diameter0.260 INCHES NOMINAL IN
Shank Height0.035 INCHES NOMINAL IN
Outside Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-082-4665 INTERCHANGEABLE
Terminal Board
5996-00-090-6374 INTERCHANGEABLE
Amplifier Subassembly
5977-00-337-9882 INTERCHANGEABLE
Brush,electrical Contact
2540-01-505-3165140121 INTERCHANGEABLE
Base Plate,body
Enjet Aero Dayton Inc
5340-01-548-6929 INTERCHANGEABLE
Guard,rock
Cross-Reference Index
Part NumberManufacturer
1401-21 PRIMARY Lta/d-Cemco Inc Dba D-Cemco (USA)
654620-6 Raytheon Company Dba Raytheon (USA)
A366-40-6 Seastrom Manufacturing Co Inc (USA)
Related Parts
5940-00-082-4665INTERCHANGEABLE
TERMINAL BOARD
5996-00-090-6374INTERCHANGEABLE
AMPLIFIER SUBASSEMBLY
5977-00-337-9882INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
2540-01-505-3165INTERCHANGEABLE
BASE PLATE,BODY
140121
5340-01-548-6929INTERCHANGEABLE
GUARD,ROCK

Frequently Asked Questions

What is NSN 5970-01-269-8410?

NSN 5970-01-269-8410 is a Insulator,bushing, manufactured by Lta/d-Cemco Inc Dba D-Cemco, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-269-8410?

NSN 5970-01-269-8410 has 3 cross-referenced part numbers: 1401-21 (Lta/d-Cemco Inc Dba D-Cemco), 654620-6 (Raytheon Company Dba Raytheon), A366-40-6 (Seastrom Manufacturing Co Inc).

What NSN replaces 5970-01-269-8410?

There are 5 known substitutes for 5970-01-269-8410: 5940-00-082-4665, 5996-00-090-6374, 5977-00-337-9882 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1401-21?

Key specifications for 1401-21: Material Document and Classification: L-P-509, TYPE 4, GRADE G-10 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SHOULDER; Material: GLASS AND PLASTIC EPOXY OVERALL; Shank Outside Diameter: 0.338 INCHES NOMINAL IN. 8 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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