PartsTable TECHNICAL DATA SHEET
NSN 5920-01-277-7961Government record, cited

Fuse Link, Electrical5920-01-277-7961

NSN 5920-01-277-7961 · NIIN 012777961 · Part number HA21-1U25
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors · FSG 59 — Electrical and Electronic Equipment Components · CAGE 16236
Government record, cited
NSN 5920-01-277-7961 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-277-7961. Manufacturer of record part number: HA21-1U25.
Also searched as  5920-01-277-7961 · 5920012777961 · NIIN 012777961 · 01-277-7961 · FSC 5920 Fuses, Arrestors, Absorbers, and Protectors · CAGE 16236 · HA21-1U25
Nearby stock numbers  ·
Features
  • Fuse Link,electrical — FSC 5920
  • Continuous Current Rating in Amps: 1.250
  • Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Identification
  • NSN: 5920-01-277-7961
  • NIIN: 012777961
  • FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: HA21-1U25
  • Manufacturer: Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
General Description

The Fuse Link,electrical, cataloged under National Stock Number 5920-01-277-7961, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-277-7961
Primary Part NumberHA21-1U25
Item NameFuse Link,electrical
FSC / FSG5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
Continuous Current Rating in Amps1.250
Circuit Over-Current Interruption TypeNORMAL INSTANTANEOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
HA21-1U25 PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
HA21-1U25 Schurter (FRA)
Reference documents
ReferenceMeaning
HA21-1U25 5/9 Secondary reference
Ese, Inc. Dba E S Components Company
HA21-1U25 5/1 Secondary reference
Union Technique Electricite
No interchangeability data on file.
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 5920-01-277-7961?

NSN 5920-01-277-7961 is a Fuse Link,electrical, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.

What part numbers are listed for NSN 5920-01-277-7961?

NSN 5920-01-277-7961 has 2 manufacturer part numbers on file: HA21-1U25 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), HA21-1U25 (Schurter).

What are the specifications of HA21-1U25?

Key specifications for HA21-1U25: Continuous Current Rating in Amps: 1.250; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5920-01-277-7961 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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