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NSN 5895-01-678-8020Government record, cited

Coupler, Digital Data5895-01-678-8020

NSN 5895-01-678-8020 · NIIN 016788020 · Part number AC057A-R4
Black Box Corporation of Pennsylvania · FSC 5895 — Miscellaneous Communication Equipment · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 59951
Government record, cited
NSN 5895-01-678-8020 — this item is cataloged by the U.S. Government under National Stock Number 5895-01-678-8020. Manufacturer of record part number: AC057A-R4.
Also searched as  5895-01-678-8020 · 5895016788020 · NIIN 016788020 · 01-678-8020 · FSC 5895 Miscellaneous Communication Equipment · CAGE 59951 · AC057A-R4
Nearby stock numbers  ·
Features
  • Coupler,digital Data — FSC 5895
  • Terminal Quantity: 4
  • Terminal Type: CONNECTOR
  • Radio Frequency Rating: 300.0 MEGAHERTZ NOMINAL
  • Tuning Type: VARIABLE
  • Coupling Method: ELECTRONIC
  • 1 manufacturer part number on file
  • Manufacturer of record: Black Box Corporation of Pennsylvania
Identification
  • NSN: 5895-01-678-8020
  • NIIN: 016788020
  • FSC: 5895 — Miscellaneous Communication Equipment
  • FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
  • Primary part number: AC057A-R4
  • Manufacturer: Black Box Corporation of Pennsylvania
General Description

The Coupler,digital Data, cataloged under National Stock Number 5895-01-678-8020, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Black Box Corporation of Pennsylvania. Government technical data includes 5 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
ParameterValue
NSN5895-01-678-8020
Primary Part NumberAC057A-R4
Item NameCoupler,digital Data
FSC / FSG5895 / 58 — Miscellaneous Communication Equipment
ManufacturerBlack Box Corporation of Pennsylvania
StatusACTIVE
Terminal Quantity4
Terminal TypeCONNECTOR
Radio Frequency Rating300.0 MEGAHERTZ NOMINAL
Tuning TypeVARIABLE
Coupling MethodELECTRONIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
AC057A-R4 PRIMARY Black Box Corporation of Pennsylvania (USA)
No interchangeability data on file.
Other items in FSC 5895 — Miscellaneous Communication Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5895-00-000-0116
5895-00-000-0116 · Item name not on file
5895-00-001-1613
DIVIDER,POWER,RADIO FREQUENCY
5895-00-001-1816
DIVIDER,POWER,RADIO FREQUENCY
5895-00-001-1867
5895-00-001-1867 · Item name not on file
5895-00-001-2457
DUPLEXER SUBASSEMBLY
5895-00-001-2722
5895-00-001-2722 · Item name not on file
5895-00-001-2735
MIXER STAGE,FREQUENCY
5895-00-001-2738
MODULATOR SUBASSEMBLY

Frequently Asked Questions

What is NSN 5895-01-678-8020?

NSN 5895-01-678-8020 is a Coupler,digital Data, manufactured by Black Box Corporation of Pennsylvania, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.

What part numbers are listed for NSN 5895-01-678-8020?

NSN 5895-01-678-8020 has 1 manufacturer part number on file: AC057A-R4 (Black Box Corporation of Pennsylvania).

What are the specifications of AC057A-R4?

Key specifications for AC057A-R4: Terminal Quantity: 4; Terminal Type: CONNECTOR; Radio Frequency Rating: 300.0 MEGAHERTZ NOMINAL; Tuning Type: VARIABLE. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5895-01-678-8020 hazardous material?

No hazard code in the DLA record (HMIC N). 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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