PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56057-3Bolt,u

Keco Industries, Inc. · NSN 5306-01-127-7082 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-127-7082 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-127-7082. Primary manufacturer part number: 56057-3.
Features
  • Bolt,u — FSC 5306
  • Thread Length: 2.375 INCHES NOMINAL IN
  • Inside Distance Between Shanks: 1.125 INCHES NOMINAL IN
  • Thread Series Designator: UNF
  • Material: STEEL OVERALL
  • Surface Treatment: ZINC OVERALL
  • Style Designator: ROUND BEND
  • Thread Quantity Per Inch: 20
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,u, cataloged under National Stock Number 5306-01-127-7082, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Keco Industries, Inc.. Government technical data includes 11 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-127-7082
Primary Part Number56057-3
Item NameBolt,u
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerKeco Industries, Inc.
StatusACTIVE
Thread Length2.375 INCHES NOMINAL IN
Inside Distance Between Shanks1.125 INCHES NOMINAL IN
Thread Series DesignatorUNF
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Style DesignatorROUND BEND
Thread Quantity Per Inch20
Thread DirectionRIGHT-HAND
Thread Class2A A
Distance From Inside Center of Bend to Bolt End3.125 INCHES NOMINAL IN
Nominal Thread Diameter0.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-137-4821 INTERCHANGEABLE
Resistor,fixed,film
5950-00-646-28241790472-501 INTERCHANGEABLE
Transformer,power
L3 Technologies, Inc. Div Communication Systems-East
5950-00-853-6626 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
56057-3 Keco Industries, Inc. (USA)
Related Parts
5905-00-137-4821INTERCHANGEABLE
RESISTOR,FIXED,FILM
5950-00-646-2824INTERCHANGEABLE
TRANSFORMER,POWER
1790472-501
5950-00-853-6626INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5306-01-127-7082?

NSN 5306-01-127-7082 is a Bolt,u, manufactured by Keco Industries, Inc., classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-127-7082?

NSN 5306-01-127-7082 has 1 cross-referenced part number: 56057-3 (Keco Industries, Inc.).

What NSN replaces 5306-01-127-7082?

There are 3 known substitutes for 5306-01-127-7082: 5905-00-137-4821, 5950-00-646-2824, 5950-00-853-6626. Verify interchangeability with system specifications before substitution.

What are the specifications of 56057-3?

Key specifications for 56057-3: Thread Length: 2.375 INCHES NOMINAL IN; Inside Distance Between Shanks: 1.125 INCHES NOMINAL IN; Thread Series Designator: UNF; Material: STEEL OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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