PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18155Bolt,externally Relieved Body

Soon Air Co · NSN 5306-00-207-5145 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-207-5145 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-207-5145. Primary manufacturer part number: 18155.
Features
  • Bolt,externally Relieved Body — FSC 5306
  • Thread Class: 3A A
  • Distance From Largest Bearing Surface of Head to End of First Diameter: 0.105 INCHES NOMINAL IN
  • Fastener Length: 1.005 INCHES NOMINAL IN
  • Head Height: 0.250 INCHES NOMINAL IN
  • Externally Relieved Body Diameter Quantity: 3
  • Material: STEEL OVERALL
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-207-5145, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Soon Air Co. Government technical data includes 19 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-207-5145
Primary Part Number18155
Item NameBolt,externally Relieved Body
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerSoon Air Co
StatusACTIVE
Thread Class3A A
Distance From Largest Bearing Surface of Head to End of First Diameter0.105 INCHES NOMINAL IN
Fastener Length1.005 INCHES NOMINAL IN
Head Height0.250 INCHES NOMINAL IN
Externally Relieved Body Diameter Quantity3
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Width Between Flats0.560 INCHES NOMINAL IN
First Diameter From Head0.310 INCHES NOMINAL IN
Third Diameter From Head0.130 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Thread Series DesignatorUNF
Thread Length0.270 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Second Diameter From Head0.372 INCHES NOMINAL IN
Distance From Largest Bearing Surface of Head to End of Second Diameter0.270 INCHES NOMINAL IN
Distance From Largest Bearing Surface of Head to End of Third Diameter0.360 INCHES NOMINAL IN
Head StyleHEXAGON
Thread Quantity Per Inch24
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2910-00-185-7134P181-5-500 INTERCHANGEABLE
Needle Assembly,ful
Clinton Engines Corp
2910-00-361-277121541 INTERCHANGEABLE
Filter Element,fluid
Arvinmeritor Inc
6640-00-894-1733 INTERCHANGEABLE
Stopper,bottle
4140-00-953-200418-155 INTERCHANGEABLE
Impeller,fan,axial
Rtx Corporation Div Pratt & Whitney
3110-01-073-552218155 INTERCHANGEABLE
Bearing,ball
American Bristol Industries Inc.
3110-01-498-611318155 INTERCHANGEABLE
Bearing,ball,annular
Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings
5305-01-556-645618155 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
18155 Soon Air Co (USA)
Related Parts
2910-00-185-7134INTERCHANGEABLE
NEEDLE ASSEMBLY,FUL
P181-5-500
2910-00-361-2771INTERCHANGEABLE
FILTER ELEMENT,FLUID
21541
6640-00-894-1733INTERCHANGEABLE
STOPPER,BOTTLE
4140-00-953-2004INTERCHANGEABLE
IMPELLER,FAN,AXIAL
18-155
3110-01-073-5522INTERCHANGEABLE
BEARING,BALL
18155
3110-01-498-6113INTERCHANGEABLE
BEARING,BALL,ANNULAR
18155
5305-01-556-6456INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
18155

Frequently Asked Questions

What is NSN 5306-00-207-5145?

NSN 5306-00-207-5145 is a Bolt,externally Relieved Body, manufactured by Soon Air Co, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-207-5145?

NSN 5306-00-207-5145 has 1 cross-referenced part number: 18155 (Soon Air Co).

What NSN replaces 5306-00-207-5145?

There are 7 known substitutes for 5306-00-207-5145: 2910-00-185-7134, 2910-00-361-2771, 6640-00-894-1733 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18155?

Key specifications for 18155: Thread Class: 3A A; Distance From Largest Bearing Surface of Head to End of First Diameter: 0.105 INCHES NOMINAL IN; Fastener Length: 1.005 INCHES NOMINAL IN; 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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