PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2319-27Bolt,internal Wrenching

Eaton Corp Dba Eaton Aerospace Jackson · NSN 5306-00-090-2273 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-090-2273 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-090-2273. Primary manufacturer part number: 2319-27.
Features
  • Bolt,internal Wrenching — FSC 5306
  • Width Across Flats: 0.375 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
  • Internal Drive Style: HEXAGON
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
  • Material: STEEL COMP 4340 OVERALL
  • Material Document and Classification: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Length: 0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.438 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4340 Overall construction
General Description

The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-090-2273, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corp Dba Eaton Aerospace Jackson. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN5306-00-090-2273
Primary Part Number2319-27
Item NameBolt,internal Wrenching
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerEaton Corp Dba Eaton Aerospace Jackson
StatusACTIVE
Width Across Flats0.375 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
MaterialSTEEL COMP 4340 OVERALL
Material Document and ClassificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Length0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
Nominal Thread Diameter0.438 INCHES IN
Thread Series DesignatorUNF
Head Diameter0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread Class3A A
Thread DirectionRIGHT-HAND
Fastener Length1.673 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN
Thread Quantity Per Inch20
Minimum Tensile Strength176000 POUNDS PER SQUARE INCH LBS
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Head Height0.407 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2840-00-135-0830231929 INTERCHANGEABLE
Blade,compressor,aircraft Gas Tu
Curtiss-Wright Controls, Inc. Div Actuation Division
2840-00-135-4834231927 INTERCHANGEABLE
Vane,compressor,aircraft Gas Tur
Curtiss-Wright Controls, Inc. Div Actuation Division
7520-00-272-96807520-00-272-9680 INTERCHANGEABLE
Stencil Set,marking
National Industries for the Blind
Cross-Reference Index
Part NumberManufacturer
2319-29 Eaton Corp Dba Eaton Aerospace Jackson (USA)
2319-27 PRIMARY Eaton Corp Dba Eaton Aerospace Jackson (USA)
Related Parts
2840-00-135-0830INTERCHANGEABLE
BLADE,COMPRESSOR,AIRCRAFT GAS TU
231929
2840-00-135-4834INTERCHANGEABLE
VANE,COMPRESSOR,AIRCRAFT GAS TUR
231927
7520-00-272-9680INTERCHANGEABLE
STENCIL SET,MARKING
7520-00-272-9680

Frequently Asked Questions

What is NSN 5306-00-090-2273?

NSN 5306-00-090-2273 is a Bolt,internal Wrenching, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-090-2273?

NSN 5306-00-090-2273 has 2 cross-referenced part numbers: 2319-29 (Eaton Corp Dba Eaton Aerospace Jackson), 2319-27 (Eaton Corp Dba Eaton Aerospace Jackson).

What NSN replaces 5306-00-090-2273?

There are 3 known substitutes for 5306-00-090-2273: 2840-00-135-0830, 2840-00-135-4834, 7520-00-272-9680. Verify interchangeability with system specifications before substitution.

What are the specifications of 2319-27?

Key specifications for 2319-27: Width Across Flats: 0.375 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN; Internal Drive Style: HEXAGON; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL; Material: STEEL COMP 4340 OVERALL. 16 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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