NSN 5970-01-633-3853 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-633-3853. Manufacturer of record part number: K21-18510-10.
Also searched as5970-01-633-3853 ·
5970016333853 ·
NIIN 016333853 ·
01-633-3853 ·
FSC 5970 Electrical Insulators and Insulating Materials · CAGE 0K0L1 · K21-18510-10
Manufacturer of record: Klinge Corporation Dba Klinge Corp
Identification
NSN: 5970-01-633-3853
NIIN: 016333853
FSC: 5970 — Electrical Insulators and Insulating Materials
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: K21-18510-10
Manufacturer: Klinge Corporation Dba Klinge Corp
General Description
The Insulator,washer, cataloged under National Stock Number 5970-01-633-3853, 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 Klinge Corporation Dba Klinge Corp. 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
5970-01-633-3853
Primary Part Number
K21-18510-10
Item Name
Insulator,washer
FSC / FSG
5970 / 59 — Electrical Insulators and Insulating Materials
Manufacturer
Klinge Corporation Dba Klinge Corp
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 5970-01-633-3853?
NSN 5970-01-633-3853 is a Insulator,washer, manufactured by Klinge Corporation Dba Klinge Corp, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
What part numbers are listed for NSN 5970-01-633-3853?
NSN 5970-01-633-3853 has 1 manufacturer part number on file: K21-18510-10 (Klinge Corporation Dba Klinge Corp).
What are the specifications of K21-18510-10?
Key specifications for K21-18510-10: Special Features: TOLERANCES: OD / ID +/- 0.178 MM / 0.007" THK +/- 0.1 MM / 0.004"; MATERIAL: PVC BLACK 0.51MM / 0.02" THICK MM; Part Name Assigned by Controlling Agency: WASHER INSULATING METRIC. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5970-01-633-3853 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.