PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300746Bolt,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5306-00-550-2584 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-550-2584 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-550-2584. Primary manufacturer part number: 300746.
Features
  • Bolt,machine — FSC 5306
  • Nonstandard Thread Pitch Diameter: +0.2213 TO 0.2238 INCHES IN
  • Material Document and Classification: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Hole Configuration Style: DOUBLE HEXAGON LONGITUDINAL HOLE
  • Hole Diameter: 0.065 INCHES NOMINAL IN
  • Hole Type: DRILLED
  • Fastener Length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 601 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-550-2584, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, 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
NSN5306-00-550-2584
Primary Part Number300746
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Nonstandard Thread Pitch Diameter+0.2213 TO 0.2238 INCHES IN
Material Document and ClassificationAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hole Configuration StyleDOUBLE HEXAGON LONGITUDINAL HOLE
Hole Diameter0.065 INCHES NOMINAL IN
Hole TypeDRILLED
Fastener Length0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Extended Washer Diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Thread Quantity Per Inch28
Head StyleDOUBLE HEXAGON W/HOLE
Thread Length0.357 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN
Extended Washer Thickness0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
MaterialSTEEL COMP 601 OVERALL
Criticality Code JustificationFEAT
Head Height0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
Hole Quantity4
Thread DirectionRIGHT-HAND
Features ProvidedFINISHED HEAD
Surface Treatment Document and ClassificationAMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentNICKEL AND CADMIUM OVERALL
Hardness Rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Nominal Thread Diameter0.250 INCHES IN
Width Between Flats0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5945-00-636-87787357485 INTERCHANGEABLE
Relay,electromagnetic
U S Army Tank Automotive Command Amsta-Im-Mm
2995-01-025-7916570-300746-1 INTERCHANGEABLE
Detector,metallic Particle
Woods T B Inc
5950-01-090-9670 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
300746 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
300746 Textron Fastening Systems Dba Decorah Operations Tfs (USA)
300746 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
300746 Sps Technologies, Llc Dba PB Fasteners (USA)
300746 Deval Life Cycle Support Llc (USA)
300746 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
5945-00-636-8778INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
7357485
2995-01-025-7916INTERCHANGEABLE
DETECTOR,METALLIC PARTICLE
570-300746-1
5950-01-090-9670INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5306-00-550-2584?

NSN 5306-00-550-2584 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 5306-00-550-2584?

NSN 5306-00-550-2584 has 6 cross-referenced part numbers: 300746 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 300746 (Textron Fastening Systems Dba Decorah Operations Tfs), 300746 (Howmet Global Fastening Systems Inc Div Torrance Operations), 300746 (Sps Technologies, Llc Dba PB Fasteners), 300746 (Deval Life Cycle Support Llc) and 1 more.

What NSN replaces 5306-00-550-2584?

There are 3 known substitutes for 5306-00-550-2584: 5945-00-636-8778, 2995-01-025-7916, 5950-01-090-9670. Verify interchangeability with system specifications before substitution.

What are the specifications of 300746?

Key specifications for 300746: Nonstandard Thread Pitch Diameter: +0.2213 TO 0.2238 INCHES IN; Material Document and Classification: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Hole Configuration Style: DOUBLE HEXAGON LONGITUDINAL HOLE; Hole Diameter: 0.065 INCHES NOMINAL IN. 24 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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