PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8128Brace,crossarm

Hubbard and Company · NSN 5975-00-889-7634 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-889-7634 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-889-7634. Primary manufacturer part number: 8128.
Features
  • Brace,crossarm — FSC 5975
  • Mounting Hole Quantity: 3
  • Surface Treatment: ZINC
  • Material: STEEL
  • Design Type: DOUBLE ARM
  • Mounting Hole Diameter: 0.563 INCHES IN
  • Center to Center Distance Between Mounting Holes: 26.000 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.438 INCHES IN
Applications
  • Applications requiring Steel construction
General Description

The Brace,crossarm, cataloged under National Stock Number 5975-00-889-7634, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Hubbard and Company. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-889-7634
Primary Part Number8128
Item NameBrace,crossarm
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerHubbard and Company
StatusCANCELLED
Mounting Hole Quantity3
Surface TreatmentZINC
MaterialSTEEL
Design TypeDOUBLE ARM
Mounting Hole Diameter0.563 INCHES IN
Center to Center Distance Between Mounting Holes26.000 INCHES NOMINAL IN
Mounting Hole Diameter0.438 INCHES IN
Overall Thickness0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3110-00-100-0302 INTERCHANGEABLE
Cup,tapered Roller Bearing
5950-00-221-83168128 INTERCHANGEABLE
Transformer,power
Berkshire Transformer
5120-00-494-18465120-494-1846 INTERCHANGEABLE
Remover and Replace
General Services Administration Federal Supply Service
6520-00-850-5126 INTERCHANGEABLE
File,pulp Canal,dental
5961-00-911-6015 INTERCHANGEABLE
Transistor
5975-01-433-7646 INTERCHANGEABLE
Plate,wall,electrical
5340-01-462-7900741059-A INTERCHANGEABLE
Plate,mounting
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
8128 Hubbard and Company (USA)
Related Parts
3110-00-100-0302INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5950-00-221-8316INTERCHANGEABLE
TRANSFORMER,POWER
8128
5120-00-494-1846INTERCHANGEABLE
REMOVER AND REPLACE
5120-494-1846
6520-00-850-5126INTERCHANGEABLE
FILE,PULP CANAL,DENTAL
5961-00-911-6015INTERCHANGEABLE
TRANSISTOR
5975-01-433-7646INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
5340-01-462-7900INTERCHANGEABLE
PLATE,MOUNTING
741059-A

Frequently Asked Questions

What is NSN 5975-00-889-7634?

NSN 5975-00-889-7634 is a Brace,crossarm, manufactured by Hubbard and Company, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-889-7634?

NSN 5975-00-889-7634 has 1 cross-referenced part number: 8128 (Hubbard and Company).

What NSN replaces 5975-00-889-7634?

There are 7 known substitutes for 5975-00-889-7634: 3110-00-100-0302, 5950-00-221-8316, 5120-00-494-1846 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8128?

Key specifications for 8128: Mounting Hole Quantity: 3; Surface Treatment: ZINC; Material: STEEL; Design Type: DOUBLE ARM. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-889-7634 still in active supply?

NSN 5975-00-889-7634 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com