NSN 5970-00-939-8950 · NIIN 009398950 · Part number 546278
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 5970 — Electrical Insulators and Insulating Materials · FSG 59 — Electrical and Electronic Equipment Components · CAGE 77445
Government record, cited
NSN 5970-00-939-8950 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-939-8950. Manufacturer of record part number: 546278.
Also searched as5970-00-939-8950 ·
5970009398950 ·
NIIN 009398950 ·
00-939-8950 ·
FSC 5970 Electrical Insulators and Insulating Materials · CAGE 77445 · 546278
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 5970-00-939-8950
NIIN: 009398950
FSC: 5970 — Electrical Insulators and Insulating Materials
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 546278
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Insulator,bushing, cataloged under National Stock Number 5970-00-939-8950, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5970-00-939-8950
Primary Part Number
546278
Item Name
Insulator,bushing
FSC / FSG
5970 / 59 — Electrical Insulators and Insulating Materials
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status
ACTIVE
Outside Diameter
0.787 INCHES NOMINAL IN
Inside Diameter
0.445 INCHES NOMINAL IN
Material
PLASTIC OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
Other items in FSC 5970 — Electrical Insulators and Insulating Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5970-00-001-1330
5970-00-001-1330 · Item name not on file
5970-00-001-1357
INSULATOR,BUSHING
5970-00-001-1418
INSULATOR,BUSHING
5970-00-001-1420
INSULATOR,PLATE
5970-00-001-1472
INSULATOR,PLATE
5970-00-001-1476
INSULATOR,WASHER
5970-00-001-1477
5970-00-001-1477 · Item name not on file
5970-00-001-1479
5970-00-001-1479 · Item name not on file
Frequently Asked Questions
What is NSN 5970-00-939-8950?
NSN 5970-00-939-8950 is a Insulator,bushing, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
What part numbers are listed for NSN 5970-00-939-8950?
NSN 5970-00-939-8950 has 1 manufacturer part number on file: 546278 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 546278?
Key specifications for 546278: Overall Height: 0.195 INCHES NOMINAL IN; Outside Diameter: 0.787 INCHES NOMINAL IN; Inside Diameter: 0.445 INCHES NOMINAL IN; Special Features: SEVEN 0.115 TO 0.185 IN. DIA HOLES EQUALLY SPACED IN. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5970-00-939-8950 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.