PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

329025Bolt,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5306-00-803-8296 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-803-8296 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-803-8296. Primary manufacturer part number: 329025.
Features
  • Bolt,machine — FSC 5306
  • Extended Washer Thickness: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
  • Features Provided: FINISHED HEAD
  • Nonstandard Thread Pitch Diameter: +0.2213 TO 0.2238 INCHES IN
  • Hole Type: DRILLED
  • Thread Series Designator: UNF
  • Hole Configuration Style: DOUBLE HEXAGON LONGITUDINAL HOLE
  • Fastener Length: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron Alloy 660 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-803-8296, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-803-8296
Primary Part Number329025
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Extended Washer Thickness0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Features ProvidedFINISHED HEAD
Nonstandard Thread Pitch Diameter+0.2213 TO 0.2238 INCHES IN
Hole TypeDRILLED
Thread Series DesignatorUNF
Hole Configuration StyleDOUBLE HEXAGON LONGITUDINAL HOLE
Fastener Length0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
Width Between Flats0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
MaterialIRON ALLOY 660 OVERALL
Head Height0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
Head StyleDOUBLE HEXAGON W/HOLE
Hardness Rating24.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
Minimum Yield Strength85000 POUNDS PER SQUARE INCH LBS
Material Document and ClassificationAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentSILVER OVERALL
Precious MaterialSILVER
Criticality Code JustificationFEAT
Extended Washer Diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Thread Quantity Per Inch28
Hole Quantity4
Hole Diameter0.062 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Length0.481 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6625-00-563-2656430-21 INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
Cross-Reference Index
Part NumberManufacturer
329025 Sps Technologies, Llc Dba PB Fasteners (USA)
329025 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
329025 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
329025 Textron Fastening Systems Dba Decorah Operations Tfs (USA)
329025 Core Parts Llc (USA)
Related Parts
6625-00-563-2656INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
430-21

Frequently Asked Questions

What is NSN 5306-00-803-8296?

NSN 5306-00-803-8296 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-803-8296?

NSN 5306-00-803-8296 has 5 cross-referenced part numbers: 329025 (Sps Technologies, Llc Dba PB Fasteners), 329025 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 329025 (Howmet Global Fastening Systems Inc Div Torrance Operations), 329025 (Textron Fastening Systems Dba Decorah Operations Tfs), 329025 (Core Parts Llc).

What NSN replaces 5306-00-803-8296?

There is 1 known substitute for 5306-00-803-8296: 6625-00-563-2656. Verify interchangeability with system specifications before substitution.

What are the specifications of 329025?

Key specifications for 329025: Extended Washer Thickness: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Features Provided: FINISHED HEAD; Nonstandard Thread Pitch Diameter: +0.2213 TO 0.2238 INCHES IN; Hole Type: DRILLED. 25 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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