NSN 5920-01-673-9343 · NIIN 016739343 · Part number J-2977
Tronair, Inc. Div Tronair · FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors · FSG 59 — Electrical and Electronic Equipment Components · CAGE 59603
Government record, cited
NSN 5920-01-673-9343 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-673-9343. Manufacturer of record part number: J-2977.
Also searched as5920-01-673-9343 ·
5920016739343 ·
NIIN 016739343 ·
01-673-9343 ·
FSC 5920 Fuses, Arrestors, Absorbers, and Protectors · CAGE 59603 · J-2977
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: J-2977
Manufacturer: Tronair, Inc. Div Tronair
General Description
The Holder,protector Block, cataloged under National Stock Number 5920-01-673-9343, 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 Tronair, Inc. Div Tronair. 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
5920-01-673-9343
Primary Part Number
J-2977
Item Name
Holder,protector Block
FSC / FSG
5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors
Manufacturer
Tronair, Inc. Div Tronair
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 5920-01-673-9343?
NSN 5920-01-673-9343 is a Holder,protector Block, manufactured by Tronair, Inc. Div Tronair, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
What part numbers are listed for NSN 5920-01-673-9343?
NSN 5920-01-673-9343 has 1 manufacturer part number on file: J-2977 (Tronair, Inc. Div Tronair).
What are the specifications of J-2977?
Key specifications for J-2977: Part Name Assigned by Controlling Agency: BLOCK, STOP. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5920-01-673-9343 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.