Insulator, Bowl5970-01-399-4891

NSN 5970-01-399-4891 · NIIN 013994891

FSC 5970 — Electrical Insulators and Insulating Materials · FSG 59 — Electrical and Electronic Equipment Components

Government record, cited

Also searched as 5970-01-399-4891 · 5970013994891 · NIIN 013994891 · 01-399-4891 · FSC 5970 Electrical Insulators and Insulating Materials · 0403C001 · 001000-403-000

Nearby stock numbers ← 5970-01-399-4877 Insulation Sleeving, Electrical, S · 5970-01-399-6009 Insulator, Spacer →

Features

Insulator,bowl — FSC 5970
Height Above Mounting Surface: 6.500 INCHES NOMINAL IN
Mounting Hole Diameter: 0.362 INCHES NOMINAL IN
Outside Diameter: 8.500 INCHES NOMINAL IN
Shoulder Depth: 1.500 INCHES NOMINAL IN
Material: PORCELAIN OVERALL
Shoulder Outside Diameter: 3.375 INCHES NOMINAL IN

Identification

NSN: 5970-01-399-4891
NIIN: 013994891
FSC: 5970 — Electrical Insulators and Insulating Materials
FSG: 59 — Electrical and Electronic Equipment Components

General Description

The Insulator,bowl, cataloged under National Stock Number 5970-01-399-4891, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5970-01-399-4891
Item Name	Insulator,bowl
FSC / FSG	5970 / 59 — Electrical Insulators and Insulating Materials
Status	ACTIVE
Height Above Mounting Surface	6.500 INCHES NOMINAL IN
Mounting Hole Diameter	0.362 INCHES NOMINAL IN
Outside Diameter	8.500 INCHES NOMINAL IN
Shoulder Depth	1.500 INCHES NOMINAL IN
Material	PORCELAIN OVERALL
Shoulder Outside Diameter	3.375 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
0403C001	5/1 Secondary reference U.S. Government activity
001000-403-000	3/9 Design control — primary reference U.S. Government activity

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 5970-01-399-4891?

NSN 5970-01-399-4891 is a Insulator,bowl, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.

What are the specifications of 5970-01-399-4891?

Key specifications for 5970-01-399-4891: Height Above Mounting Surface: 6.500 INCHES NOMINAL IN; Mounting Hole Diameter: 0.362 INCHES NOMINAL IN; Outside Diameter: 8.500 INCHES NOMINAL IN; Shoulder Depth: 1.500 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5970-01-399-4891 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.

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