PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-9-19Bolt,ribbed Shoulder

Tripplite Div of Trippe Mfg Co · NSN 5306-00-740-9555 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-740-9555 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-740-9555. Primary manufacturer part number: 8-9-19.
Features
  • Bolt,ribbed Shoulder — FSC 5306
  • Head Style: FLAT CHAMFER
  • Thread Length: 1.187 INCHES MINIMUM IN
  • Rib Quantity: 36
  • Rib Length: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
  • Shoulder Shape: RIBBED FIRST SHOULDER
  • Shoulder Length: 1.312 INCHES NOMINAL FIRST SHOULDER IN
  • Thread Quantity Per Inch: 16
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4427 or Steel Comp 4620h or Steel Comp 8620h or Steel Comp 8622h Overall construction
General Description

The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-00-740-9555, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tripplite Div of Trippe Mfg Co. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-740-9555
Primary Part Number8-9-19
Item NameBolt,ribbed Shoulder
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerTripplite Div of Trippe Mfg Co
StatusCANCELLED
Head StyleFLAT CHAMFER
Thread Length1.187 INCHES MINIMUM IN
Rib Quantity36
Rib Length0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
Shoulder ShapeRIBBED FIRST SHOULDER
Shoulder Length1.312 INCHES NOMINAL FIRST SHOULDER IN
Thread Quantity Per Inch16
Rib Included Angle90.0 DEGREES NOMINAL
Shoulder Diameter0.973 INCHES MINIMUM AND 0.977 INCHES MAXIMUM FIRST SHOULDER IN
Minimum Tensile Strength110000 POUNDS PER SQUARE INCH LBS
Nominal Thread Diameter0.750 INCHES IN
Distance From Largest Diameter of Bearing Surface of Head to Ribs0.375 INCHES NOMINAL IN
Rib Major Diameter1.019 INCHES MINIMUM AND 1.024 INCHES MAXIMUM IN
Thread Series DesignatorUNF
MaterialSTEEL COMP 4427 OR STEEL COMP 4620H OR STEEL COMP 8620H OR STEEL COMP 8622H OVERALL
Hardness Rating223.0 BRINELL STANDARD MINIMUM AND 277.0 BRINELL STANDARD MAXIMUM OVERALL
Thread Class2A A
Head Height0.312 INCHES NOMINAL IN
Head Diameter1.312 INCHES NOMINAL IN
Fastener Length2.812 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5935-00-237-396249287 INTERCHANGEABLE
Connector,receptacle,electrical
Naval Ship Systems Command
4520-00-288-8029 INTERCHANGEABLE
Heating Element,electrical,nonim
5960-00-407-1523 INTERCHANGEABLE
Electron Tube
5950-00-515-35431M150-1 INTERCHANGEABLE
Transformer,power
Northrop Grumman Corp Electronic Systems Defensive System Div
5950-00-528-89241M154-1 INTERCHANGEABLE
Transformer,power
Northrop Grumman Corp Electronic Systems Defensive System Div
2540-01-137-0487891-9 INTERCHANGEABLE
Roll
Columbia Machine Inc
5995-01-173-8010157926 INTERCHANGEABLE
Cable Assembly,radio Frequency
Northrop Grumman Systems Corporation
4920-01-174-07118919 INTERCHANGEABLE
Testing Fixture,torq Coil
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6505-01-283-13318919 INTERCHANGEABLE
Lubricant,surgical
Johnson & Johnson Sales and Logistics Company Llc Div Sales and Logistics Company, Llc
6530-01-567-2988SB1680A INTERCHANGEABLE
Backpack,medical Supply
Perfect World Luggage, Inc.
Cross-Reference Index
Part NumberManufacturer
8-9-19 Tripplite Div of Trippe Mfg Co (USA)
20X404 Long-Airdox Co (USA)
KC5403 Diamond Reo Truck Co (USA)
20X404 Meritor Heavy Vehicle Systems, Llc (USA)
7979321 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
98727R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
20X404 Barber-Greene Co (USA)
1760-067 Harsco Corp Bmy-Combat Systems Div (USA)
01760-0067 Asrc Federal Facilities Logistics, Llc (USA)
MS51946-6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
20X404Z Meritor Heavy Vehicle Systems, Llc (USA)
01760-0067 Harsco Corp Bmy-Combat Systems Div (USA)
8-9-19 Trailmobile Inc Sub of the Pullman Co (USA)
7409555 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
20X404 Rockwell International Corp Industrial Products Group (USA)
98727R1 Navistar International Corporation Dba Navistar (USA)
811E605 Kersey / American Lafrance a Div of Figgie International Inc (USA)
20X404 Minnpar, Llc Dba Minnpar (USA)
5306007409555 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
157926 Daf Trucks N.v. (NLD)
Related Parts
5935-00-237-3962INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
49287
4520-00-288-8029INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
5960-00-407-1523INTERCHANGEABLE
ELECTRON TUBE
5950-00-515-3543INTERCHANGEABLE
TRANSFORMER,POWER
1M150-1
5950-00-528-8924INTERCHANGEABLE
TRANSFORMER,POWER
1M154-1
2540-01-137-0487INTERCHANGEABLE
ROLL
891-9
5995-01-173-8010INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
157926
4920-01-174-0711INTERCHANGEABLE
TESTING FIXTURE,TORQ COIL
8919
6505-01-283-1331INTERCHANGEABLE
LUBRICANT,SURGICAL
8919
6530-01-567-2988INTERCHANGEABLE
BACKPACK,MEDICAL SUPPLY
SB1680A

Frequently Asked Questions

What is NSN 5306-00-740-9555?

NSN 5306-00-740-9555 is a Bolt,ribbed Shoulder, manufactured by Tripplite Div of Trippe Mfg Co, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-740-9555?

NSN 5306-00-740-9555 has 20 cross-referenced part numbers: 8-9-19 (Tripplite Div of Trippe Mfg Co), 20X404 (Long-Airdox Co), KC5403 (Diamond Reo Truck Co), 20X404 (Meritor Heavy Vehicle Systems, Llc), 7979321 (U S Army Tank Automotive Command Amsta-Im-Mm) and 15 more.

What NSN replaces 5306-00-740-9555?

There are 10 known substitutes for 5306-00-740-9555: 5935-00-237-3962, 4520-00-288-8029, 5960-00-407-1523 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8-9-19?

Key specifications for 8-9-19: Head Style: FLAT CHAMFER; Thread Length: 1.187 INCHES MINIMUM IN; Rib Quantity: 36; Rib Length: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-740-9555 still in active supply?

NSN 5306-00-740-9555 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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