Insulator, Washer5970-01-308-5178

NSN 5970-01-308-5178 · NIIN 013085178

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

Government record, cited

Also searched as 5970-01-308-5178 · 5970013085178 · NIIN 013085178 · 01-308-5178 · FSC 5970 Electrical Insulators and Insulating Materials · 56-02-72-5MIL · 108380-01

Nearby stock numbers ← 5970-01-308-5176 Insulator, Bushing · 5970-01-308-5179 Insulator, Plate →

Features

Insulator,washer — FSC 5970
Outside Diameter: 1.000 INCHES NOMINAL IN
Inside Diameter: 0.258 INCHES NOMINAL IN
Material: MICA OVERALL

Identification

NSN: 5970-01-308-5178
NIIN: 013085178
FSC: 5970 — Electrical Insulators and Insulating Materials
FSG: 59 — Electrical and Electronic Equipment Components

General Description

The Insulator,washer, cataloged under National Stock Number 5970-01-308-5178, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5970-01-308-5178
Item Name	Insulator,washer
FSC / FSG	5970 / 59 — Electrical Insulators and Insulating Materials
Status	ACTIVE
Outside Diameter	1.000 INCHES NOMINAL IN
Inside Diameter	0.258 INCHES NOMINAL IN
Material	MICA OVERALL

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

⇄ Related Items 2

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

6625-01-479-3761 POSSIBLE MATCH

INDICATOR,DIGITAL DISPLAY

Possible match (shared part number)

5970-01-556-296610838-001 POSSIBLE MATCH

INSULATION SLEEVING,ELECTRICAL,S

Possible match (shared part number)Astronautics Corporation of America

Cross-Reference Index

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

Reference documents

Reference	Meaning
56-02-72-5MIL	3/9 Design control — primary reference Thermalloy Co Inc
108380-01	5/9 Secondary reference Rolm Corp Mil Spec Computers

Related Parts

6625-01-479-3761POSSIBLE MATCH

INDICATOR,DIGITAL DISPLAY

5970-01-556-2966POSSIBLE MATCH

INSULATION SLEEVING,ELECTRICAL,S

10838-001

Frequently Asked Questions

What is NSN 5970-01-308-5178?

NSN 5970-01-308-5178 is a Insulator,washer, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.

What NSN replaces 5970-01-308-5178?

2 possible matches (shared part number, not a government interchangeability claim): 6625-01-479-3761, 5970-01-556-2966. Verify interchangeability with system specifications before substitution.

What are the specifications of 5970-01-308-5178?

Key specifications for 5970-01-308-5178: Overall Height: 0.005 INCHES NOMINAL IN; Outside Diameter: 1.000 INCHES NOMINAL IN; Inside Diameter: 0.258 INCHES NOMINAL IN; Material: MICA OVERALL. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5970-01-308-5178 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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