PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W140-4Insulator,bushing

Fastener Innovation Technology, Inc. Dba F I T · NSN 5970-00-055-1403 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-055-1403 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-055-1403. Primary manufacturer part number: W140-4.
Features
  • Insulator,bushing — FSC 5970
  • Style Designator: SHOULDER
  • Material Document and Classification: L-P-509, TYPE 4, GRADE G-10 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Shank Height: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
  • Outside Diameter: 0.500 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
  • Inside Diameter: 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
  • Material: GLASS AND PLASTIC EPOXY OVERALL
  • Shank Outside Diameter: 0.333 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
Applications
  • Applications requiring Glass and Plastic Epoxy Overall construction
General Description

The Insulator,bushing, cataloged under National Stock Number 5970-00-055-1403, 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 Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-055-1403
Primary Part NumberW140-4
Item NameInsulator,bushing
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerFastener Innovation Technology, Inc. Dba F I T
StatusACTIVE
Style DesignatorSHOULDER
Material Document and ClassificationL-P-509, TYPE 4, GRADE G-10 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Shank Height0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Outside Diameter0.500 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
Inside Diameter0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
MaterialGLASS AND PLASTIC EPOXY OVERALL
Shank Outside Diameter0.333 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-024-9490210-3003 INTERCHANGEABLE
Coupling Half,quick Disconnect
Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co
6140-00-057-2554 INTERCHANGEABLE
Battery,storage
5315-00-058-9765 INTERCHANGEABLE
Pin,spring
5315-00-214-4202 INTERCHANGEABLE
Pin,straight,headed
4210-00-256-270514014 INTERCHANGEABLE
Holder,nozzle
Tyco Fire Products Lp
5999-00-510-261514014 INTERCHANGEABLE
Pole Piece,magnet
Parker-Hannifin Corporation Dba Control Systems Division
5930-00-882-9767 INTERCHANGEABLE
Switch,pressure
1660-00-884-734914014 INTERCHANGEABLE
Plate,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
7530-01-085-25401401-4 INTERCHANGEABLE
Paper,tabulating Machine,continu
The Standard Register Company
2805-01-104-903214014 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
Cross-Reference Index
Part NumberManufacturer
DPR410-4 Precise of California Div of Adjustable Bushing Corp (USA)
W140-4 PRIMARY Fastener Innovation Technology, Inc. Dba F I T (USA)
993340-4 Raytheon Company Dba Raytheon (USA)
DPR410-4 Schroff Inc (USA)
1401-4 PRIMARY Lta/d-Cemco Inc Dba D-Cemco (USA)
Related Parts
4730-00-024-9490INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
210-3003
6140-00-057-2554INTERCHANGEABLE
BATTERY,STORAGE
5315-00-058-9765INTERCHANGEABLE
PIN,SPRING
5315-00-214-4202INTERCHANGEABLE
PIN,STRAIGHT,HEADED
4210-00-256-2705INTERCHANGEABLE
HOLDER,NOZZLE
14014
5999-00-510-2615INTERCHANGEABLE
POLE PIECE,MAGNET
14014
5930-00-882-9767INTERCHANGEABLE
SWITCH,PRESSURE
1660-00-884-7349INTERCHANGEABLE
PLATE,VALVE
14014
7530-01-085-2540INTERCHANGEABLE
PAPER,TABULATING MACHINE,CONTINU
1401-4
2805-01-104-9032INTERCHANGEABLE
RING,PISTON
14014
5120-01-336-5632INTERCHANGEABLE
CLAMP,C
402U
5331-01-373-1499INTERCHANGEABLE
O-RING
14014

Frequently Asked Questions

What is NSN 5970-00-055-1403?

NSN 5970-00-055-1403 is a Insulator,bushing, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-055-1403?

NSN 5970-00-055-1403 has 5 cross-referenced part numbers: DPR410-4 (Precise of California Div of Adjustable Bushing Corp), W140-4 (Fastener Innovation Technology, Inc. Dba F I T), 993340-4 (Raytheon Company Dba Raytheon), DPR410-4 (Schroff Inc), 1401-4 (Lta/d-Cemco Inc Dba D-Cemco).

What NSN replaces 5970-00-055-1403?

There are 12 known substitutes for 5970-00-055-1403: 4730-00-024-9490, 6140-00-057-2554, 5315-00-058-9765 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W140-4?

Key specifications for W140-4: Style Designator: SHOULDER; Material Document and Classification: L-P-509, TYPE 4, GRADE G-10 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Shank Height: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Outside Diameter: 0.500 INCHES MINIMUM AND 0.516 INCHES MAXIMUM 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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