PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

511542Insulator,bushing

Belfort Instrument Company · NSN 5970-00-617-5307 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-617-5307 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-617-5307. Primary manufacturer part number: 511542.
Features
  • Insulator,bushing — FSC 5970
  • Inside Diameter: 0.687 INCHES NOMINAL0.687 INCHES NOMINAL IN
  • Style Designator: SHOULDERSHOULDER
  • Material: PLASTIC PHENOLIC AND PLASTIC PHENOLIC AND CELLULOSE OVERALLCELLULOSE OVERALL
  • Material Document and Classification: MIL-M-14, TYPE CFI-5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALLMIL-M-14, TYPE CFI-5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Shank Height: 0.062 INCHES NOMINAL0.062 INCHES NOMINAL IN
  • Outside Diameter: 1.062 INCHES NOMINAL1.062 INCHES NOMINAL IN
  • Shank Outside Diameter: 0.934 INCHES NOMINAL0.934 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Phenolic and Plastic Phenolic and Cellulose Overallcellulose Overall construction
General Description

The Insulator,bushing, cataloged under National Stock Number 5970-00-617-5307, 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 Belfort Instrument Company. Government technical data includes 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-00-617-5307
Primary Part Number511542
Item NameInsulator,bushing
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerBelfort Instrument Company
StatusCANCELLED
Inside Diameter0.687 INCHES NOMINAL0.687 INCHES NOMINAL IN
Style DesignatorSHOULDERSHOULDER
MaterialPLASTIC PHENOLIC AND PLASTIC PHENOLIC AND CELLULOSE OVERALLCELLULOSE OVERALL
Material Document and ClassificationMIL-M-14, TYPE CFI-5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALLMIL-M-14, TYPE CFI-5 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Shank Height0.062 INCHES NOMINAL0.062 INCHES NOMINAL IN
Outside Diameter1.062 INCHES NOMINAL1.062 INCHES NOMINAL IN
Shank Outside Diameter0.934 INCHES NOMINAL0.934 INCHES NOMINAL IN
Identification Code ColorBLACKBLACK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5315-00-013-7130 INTERCHANGEABLE
Pin,cotter
6625-01-372-349851-1542 INTERCHANGEABLE
Probe Subassembly
Bacharach, Inc.
Cross-Reference Index
Part NumberManufacturer
511542 PRIMARY Belfort Instrument Company (USA)
511542 Smiths Detection Inc. Dba Smiths Detection Inc Casc (USA)
Related Parts
5315-00-013-7130INTERCHANGEABLE
PIN,COTTER
6625-01-372-3498INTERCHANGEABLE
PROBE SUBASSEMBLY
51-1542

Frequently Asked Questions

What is NSN 5970-00-617-5307?

NSN 5970-00-617-5307 is a Insulator,bushing, manufactured by Belfort Instrument Company, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-617-5307?

NSN 5970-00-617-5307 has 2 cross-referenced part numbers: 511542 (Belfort Instrument Company), 511542 (Smiths Detection Inc. Dba Smiths Detection Inc Casc).

What NSN replaces 5970-00-617-5307?

There are 2 known substitutes for 5970-00-617-5307: 5315-00-013-7130, 6625-01-372-3498. Verify interchangeability with system specifications before substitution.

What are the specifications of 511542?

Key specifications for 511542: Overall Height: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN; Inside Diameter: 0.687 INCHES NOMINAL0.687 INCHES NOMINAL IN; Style Designator: SHOULDERSHOULDER; Material: PLASTIC PHENOLIC AND PLASTIC PHENOLIC AND CELLULOSE OVERALLCELLULOSE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-617-5307 still in active supply?

NSN 5970-00-617-5307 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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