NSN 5920-01-651-0722 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-651-0722. Manufacturer of record part number: R3B1E.
Also searched as5920-01-651-0722 ·
5920016510722 ·
NIIN 016510722 ·
01-651-0722 ·
FSC 5920 Fuses, Arrestors, Absorbers, and Protectors · CAGE 3P1P8 · R3B1E
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: R3B1E
Manufacturer: Combustion Controls Inc
General Description
The Protector,telephone, cataloged under National Stock Number 5920-01-651-0722, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Combustion Controls Inc. 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
5920-01-651-0722
Primary Part Number
R3B1E
Item Name
Protector,telephone
FSC / FSG
5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors
Manufacturer
Combustion Controls Inc
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 5920 — Fuses, Arrestors, Absorbers, and Protectors
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5920-00-001-3111
5920-00-001-3111 · Item name not on file
5920-00-001-3260
FUSE,CARTRIDGE
5920-00-001-3261
FUSE,CARTRIDGE
5920-00-001-3262
ARRESTER,ELECTRICAL SURGE
5920-00-001-3263
ARRESTER,ELECTRICAL SURGE
5920-00-001-3264
5920-00-001-3264 · Item name not on file
5920-00-001-3296
5920-00-001-3296 · Item name not on file
5920-00-001-3840
5920-00-001-3840 · Item name not on file
Frequently Asked Questions
What is NSN 5920-01-651-0722?
NSN 5920-01-651-0722 is a Protector,telephone, manufactured by Combustion Controls Inc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
What part numbers are listed for NSN 5920-01-651-0722?
NSN 5920-01-651-0722 has 1 manufacturer part number on file: R3B1E (Combustion Controls Inc).
What are the specifications of R3B1E?
Key specifications for R3B1E: Special Features: REGULATOR, HIGH PRESSURE; End Item Identification: AK R21 NDS GENERATOR. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5920-01-651-0722 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.