PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

443777Insulator,bushing

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5970-00-939-8951 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-939-8951 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-939-8951. Primary manufacturer part number: 443777.
Features
  • Insulator,bushing — FSC 5970
  • Outside Diameter: 0.663 INCHES NOMINAL IN
  • Shank Outside Diameter: 0.600 INCHES NOMINAL IN
  • Shank Height: 0.225 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator,bushing, cataloged under National Stock Number 5970-00-939-8951, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5970-00-939-8951
Primary Part Number443777
Item NameInsulator,bushing
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Outside Diameter0.663 INCHES NOMINAL IN
Shank Outside Diameter0.600 INCHES NOMINAL IN
Shank Height0.225 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4920-00-026-4204 INTERCHANGEABLE
Retainer,tape Reade
5905-00-108-6922 INTERCHANGEABLE
Resistor,fixed,composition
5330-00-149-974110130 INTERCHANGEABLE
Packing,preformed
Texas Hydraulics, Inc.
3455-00-224-363710130 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5360-00-314-7183N10130 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
5962-00-369-7739 INTERCHANGEABLE
Microcircuit,digital
5961-00-484-303448B44003F05 INTERCHANGEABLE
Semiconductor Device Assembly
Motorola Automotive Electronics
4330-00-696-0351RN-13-A INTERCHANGEABLE
Parts Kit,fluid Pressure Filter
Haldex Brake Products Corporation
5136-00-729-568554188 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
6625-00-792-301210130 INTERCHANGEABLE
Voltmeter
Simpson Electric Company, Inc.
Cross-Reference Index
Part NumberManufacturer
443777 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
10130 Harcosemco Llc Dba Harcosemco (USA)
443777 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
443777 Harcosemco Llc Dba Harcosemco (USA)
Related Parts
4920-00-026-4204INTERCHANGEABLE
RETAINER,TAPE READE
5905-00-108-6922INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5330-00-149-9741INTERCHANGEABLE
PACKING,PREFORMED
10130
3455-00-224-3637INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10130
5360-00-314-7183INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
N10130
5962-00-369-7739INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5961-00-484-3034INTERCHANGEABLE
SEMICONDUCTOR DEVICE ASSEMBLY
48B44003F05
4330-00-696-0351INTERCHANGEABLE
PARTS KIT,FLUID PRESSURE FILTER
RN-13-A
5136-00-729-5685INTERCHANGEABLE
TAP,THREAD CUTTING
54188
6625-00-792-3012INTERCHANGEABLE
VOLTMETER
10130
5310-01-213-9894INTERCHANGEABLE
NUT,SELF-LOCKING,ROUND
102505
5998-01-295-9222INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY

Frequently Asked Questions

What is NSN 5970-00-939-8951?

NSN 5970-00-939-8951 is a Insulator,bushing, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-939-8951?

NSN 5970-00-939-8951 has 4 cross-referenced part numbers: 443777 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 10130 (Harcosemco Llc Dba Harcosemco), 443777 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 443777 (Harcosemco Llc Dba Harcosemco).

What NSN replaces 5970-00-939-8951?

There are 12 known substitutes for 5970-00-939-8951: 4920-00-026-4204, 5905-00-108-6922, 5330-00-149-9741 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 443777?

Key specifications for 443777: Outside Diameter: 0.663 INCHES NOMINAL IN; Shank Outside Diameter: 0.600 INCHES NOMINAL IN; Overall Height: 0.287 INCHES NOMINAL IN; Shank Height: 0.225 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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