PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

549077Bolt,machine

Hadco Engineering Inc · NSN 5306-01-631-5304 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-631-5304 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-631-5304. Primary manufacturer part number: 549077.
Features
  • Bolt,machine — FSC 5306
  • Fastener Length: 5.00 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Nominal Thread Diameter: 1.00 INCHES IN
  • 1 verified cross-reference
  • Primary manufacturer: Hadco Engineering Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-01-631-5304, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hadco Engineering Inc. Government technical data includes 3 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-631-5304
Primary Part Number549077
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerHadco Engineering Inc
StatusACTIVE
Fastener Length5.00 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Nominal Thread Diameter1.00 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-161-121824216P INTERCHANGEABLE
Valve,angle
Primore Sales Inc
2520-01-620-699363.51.203 INTERCHANGEABLE
Disk,clutch,vehicular
Sepson Aktiebolag
Cross-Reference Index
Part NumberManufacturer
549077 PRIMARY Hadco Engineering Inc (USA)
Related Parts
4820-01-161-1218INTERCHANGEABLE
VALVE,ANGLE
24216P
2520-01-620-6993INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
63.51.203

Frequently Asked Questions

What is NSN 5306-01-631-5304?

NSN 5306-01-631-5304 is a Bolt,machine, manufactured by Hadco Engineering Inc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-631-5304?

NSN 5306-01-631-5304 has 1 cross-referenced part number: 549077 (Hadco Engineering Inc).

What NSN replaces 5306-01-631-5304?

There are 2 known substitutes for 5306-01-631-5304: 4820-01-161-1218, 2520-01-620-6993. Verify interchangeability with system specifications before substitution.

What are the specifications of 549077?

Key specifications for 549077: End Item Identification: C5M ENG TRAILER; Special Features: BOLT HAS A SPLINE NEAR THE HEAD FOR A PRESS FIT; Fastener Length: 5.00 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING OVERALL. 6 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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