PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P290Bolt,machine

Clark-Reliance Llc Dba Jerguson Gage & Valve · NSN 5306-00-273-5521 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-273-5521 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-273-5521. Primary manufacturer part number: P290.
Features
  • Bolt,machine — FSC 5306
  • Thread Class: 3A A
  • Width Between Flats: 0.812 INCHES NOMINAL IN
  • Features Provided: UNFINISHED HEAD
  • Thread Length: 0.688 INCHES MINIMUM IN
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE
  • Fastener Length: 2.375 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1050 or Steel Comp 1552 or Steel Comp 1053 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-273-5521, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Clark-Reliance Llc Dba Jerguson Gage & Valve. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-273-5521
Primary Part NumberP290
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerClark-Reliance Llc Dba Jerguson Gage & Valve
StatusACTIVE
Thread Class3A A
Width Between Flats0.812 INCHES NOMINAL IN
Features ProvidedUNFINISHED HEAD
Thread Length0.688 INCHES MINIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Nondefinitive Spec/std Data2 TYPE
Fastener Length2.375 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Hardness Rating25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
MaterialSTEEL COMP 1050 OR STEEL COMP 1552 OR STEEL COMP 1053 OVERALL
Departure From Cited DesignatorAS MODIFIED BY MATERIAL,TNESILE STRENGTH,ROCKWELL HARDNESS,HEAD DIM,AND THD LENGTH
Nominal Thread Diameter0.500 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Height0.375 INCHES NOMINAL IN
Thread Quantity Per Inch13
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4720-00-076-34283365-16400 INTERCHANGEABLE
Hose,nonmetallic
Hbd Industries, Inc Div Hbd/thermoid Inc
4720-00-187-4102 INTERCHANGEABLE
Hose,nonmetallic
Cross-Reference Index
Part NumberManufacturer
P290 PRIMARY Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E139PC48 PRIMARY Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E200PC37 PRIMARY Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E151PC48 PRIMARY Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E199PC37 PRIMARY Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E140PC37 PRIMARY Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
E152PC37 PRIMARY Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
Related Parts
4720-00-076-3428INTERCHANGEABLE
HOSE,NONMETALLIC
3365-16400
4720-00-187-4102INTERCHANGEABLE
HOSE,NONMETALLIC

Frequently Asked Questions

What is NSN 5306-00-273-5521?

NSN 5306-00-273-5521 is a Bolt,machine, manufactured by Clark-Reliance Llc Dba Jerguson Gage & Valve, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-273-5521?

NSN 5306-00-273-5521 has 7 cross-referenced part numbers: P290 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E139PC48 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E200PC37 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E151PC48 (Clark-Reliance Llc Dba Jerguson Gage & Valve), E199PC37 (Clark-Reliance Llc Dba Jerguson Gage & Valve) and 2 more.

What NSN replaces 5306-00-273-5521?

There are 2 known substitutes for 5306-00-273-5521: 4720-00-076-3428, 4720-00-187-4102. Verify interchangeability with system specifications before substitution.

What are the specifications of P290?

Key specifications for P290: Thread Class: 3A A; Width Between Flats: 0.812 INCHES NOMINAL IN; Features Provided: UNFINISHED HEAD; Thread Length: 0.688 INCHES MINIMUM IN. 17 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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