PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H73Bolt,shoulder

Schramm, Inc. · NSN 5306-00-589-0361 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-589-0361 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-589-0361. Primary manufacturer part number: H73.
Features
  • Bolt,shoulder — FSC 5306
  • Shank Unthreaded Hole Diameter: 0.106 INCHES NOMINAL FIRST HOLE IN
  • Distance From Head Largest Bearing Surface to Shank Hole Center: 2.281 INCHES NOMINAL FIRST HOLE IN
  • Thread Quantity Per Inch: 20
  • Head Height: 0.250 INCHES NOMINAL IN
  • Fastener Length: 2.438 INCHES NOMINAL IN
  • Distance From Centerline to Flat: 0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
  • Thread Length: 0.875 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,shoulder, cataloged under National Stock Number 5306-00-589-0361, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Schramm, Inc.. Government technical data includes 18 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-589-0361
Primary Part NumberH73
Item NameBolt,shoulder
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerSchramm, Inc.
StatusACTIVE
Shank Unthreaded Hole Diameter0.106 INCHES NOMINAL FIRST HOLE IN
Distance From Head Largest Bearing Surface to Shank Hole Center2.281 INCHES NOMINAL FIRST HOLE IN
Thread Quantity Per Inch20
Head Height0.250 INCHES NOMINAL IN
Fastener Length2.438 INCHES NOMINAL IN
Distance From Centerline to Flat0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
Thread Length0.875 INCHES MINIMUM IN
Head StyleDEE CHAMFER
Head Diameter0.688 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Shoulder ShapeROUND ALL SHOULDERS
Nominal Thread Diameter0.438 INCHES IN
Shoulder Diameter0.433 INCHES MINIMUM AND 0.434 INCHES MAXIMUM SECOND SHOULDER IN
Shoulder Diameter0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM FIRST SHOULDER IN
Shoulder Length1.000 INCHES NOMINAL FIRST SHOULDER IN
Nonstandard Thread Pitch Diameter+0.4034 TO 0.4050 INCHES IN
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5940-00-501-7530 INTERCHANGEABLE
Terminal,lug
4320-00-766-1020H73 INTERCHANGEABLE
Ring,lantern
Circor Naval Solutions Llc Dba Warren Pumps
5950-00-931-3493H73 INTERCHANGEABLE
Reactor
Magnetika Inc
3120-01-197-1068 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
H73 PRIMARY Schramm, Inc. (USA)
Related Parts
5940-00-501-7530INTERCHANGEABLE
TERMINAL,LUG
4320-00-766-1020INTERCHANGEABLE
RING,LANTERN
H73
5950-00-931-3493INTERCHANGEABLE
REACTOR
H73
3120-01-197-1068INTERCHANGEABLE
BUSHING,SLEEVE

Frequently Asked Questions

What is NSN 5306-00-589-0361?

NSN 5306-00-589-0361 is a Bolt,shoulder, manufactured by Schramm, Inc., classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-589-0361?

NSN 5306-00-589-0361 has 1 cross-referenced part number: H73 (Schramm, Inc.).

What NSN replaces 5306-00-589-0361?

There are 4 known substitutes for 5306-00-589-0361: 5940-00-501-7530, 4320-00-766-1020, 5950-00-931-3493 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H73?

Key specifications for H73: Shank Unthreaded Hole Diameter: 0.106 INCHES NOMINAL FIRST HOLE IN; Distance From Head Largest Bearing Surface to Shank Hole Center: 2.281 INCHES NOMINAL FIRST HOLE IN; Thread Quantity Per Inch: 20; Head Height: 0.250 INCHES NOMINAL IN. 19 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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