NSN 5970-01-032-0556 · NIIN 010320556 · Part number K30721
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc · FSC 5970 — Electrical Insulators and Insulating Materials · FSG 59 — Electrical and Electronic Equipment Components · CAGE 07639
Government record, cited
NSN 5970-01-032-0556 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-032-0556. Manufacturer of record part number: K30721.
Also searched as5970-01-032-0556 ·
5970010320556 ·
NIIN 010320556 ·
01-032-0556 ·
FSC 5970 Electrical Insulators and Insulating Materials · CAGE 07639 · K30721
Inside Diameter: 0.256 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
Material: MICA OVERALL
1 manufacturer part number on file
Manufacturer of record: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Identification
NSN: 5970-01-032-0556
NIIN: 010320556
FSC: 5970 — Electrical Insulators and Insulating Materials
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: K30721
Manufacturer: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
General Description
The Insulator,washer, cataloged under National Stock Number 5970-01-032-0556, 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 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. Government technical data includes 4 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
5970-01-032-0556
Primary Part Number
K30721
Item Name
Insulator,washer
FSC / FSG
5970 / 59 — Electrical Insulators and Insulating Materials
Manufacturer
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Status
ACTIVE
Style Designator
ROUND, FLAT
Outside Diameter
0.785 INCHES NOMINAL IN
Inside Diameter
0.256 INCHES MINIMUM AND 0.262 INCHES MAXIMUM 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)
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (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 5970-01-032-0556?
NSN 5970-01-032-0556 is a Insulator,washer, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
What part numbers are listed for NSN 5970-01-032-0556?
NSN 5970-01-032-0556 has 1 manufacturer part number on file: K30721 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
What are the specifications of K30721?
Key specifications for K30721: Overall Height: 0.005 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 0.785 INCHES NOMINAL IN; Inside Diameter: 0.256 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5970-01-032-0556 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.