PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7375949Bolt,externally Relieved Body

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5306-00-354-1673 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-354-1673 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-354-1673. Primary manufacturer part number: 7375949.
Features
  • Bolt,externally Relieved Body — FSC 5306
  • Thread Quantity Per Inch: 13
  • Distance From Largest Bearing Surface of Head to End of First Diameter: 0.188 INCHES NOMINAL IN
  • Thread Class: 2A A
  • Externally Relieved Body Diameter Quantity: 2
  • Hardness Rating: 96.0 ROCKWELL B MINIMUM AND 102.0 ROCKWELL B MAXIMUM OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Minimum Yield Strength: 085000 POUNDS PER SQUARE INCH LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-354-1673, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-354-1673
Primary Part Number7375949
Item NameBolt,externally Relieved Body
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Thread Quantity Per Inch13
Distance From Largest Bearing Surface of Head to End of First Diameter0.188 INCHES NOMINAL IN
Thread Class2A A
Externally Relieved Body Diameter Quantity2
Hardness Rating96.0 ROCKWELL B MINIMUM AND 102.0 ROCKWELL B MAXIMUM OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Minimum Yield Strength085000 POUNDS PER SQUARE INCH LBS
Second Diameter From Head0.445 INCHES MINIMUM AND 0.449 INCHES MAXIMUM IN
Fastener Length3.625 INCHES NOMINAL IN
Width Between Flats0.750 INCHES NOMINAL IN
Head StyleHEXAGON
Head Height0.375 INCHES NOMINAL IN
Distance From Largest Bearing Surface of Head to End of Second Diameter2.312 INCHES NOMINAL IN
First Diameter From Head0.500 INCHES NOMINAL IN
Nominal Thread Diameter0.500 INCHES IN
Thread Length1.125 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-016-7582 INTERCHANGEABLE
Contact Positioner,terminal Crim
5330-00-251-323155104 INTERCHANGEABLE
Gasket
H20 Tank Inc U S Motors Div
5360-00-260-6666858272 INTERCHANGEABLE
Spring,helical,compression
Dana Off Highway Products, Llc
5310-00-317-07655/8 LOCKWASHER INTERCHANGEABLE
Washer,lock
Drc Acquisition Inc
5360-00-343-33961608A INTERCHANGEABLE
Spring,helical,compression
Evans Tempcon Michigan, Llc
6625-00-427-4508 INTERCHANGEABLE
Generator,signal
4710-00-435-926555-104 INTERCHANGEABLE
Tube,calibration,vacuum
Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments
5330-00-640-9140 INTERCHANGEABLE
Seal,plain Encased
5310-00-695-358755104 INTERCHANGEABLE
Washer,nonmetallic
Malabar
2530-01-249-5548 INTERCHANGEABLE
Weight,wheel Balancing
Cross-Reference Index
Part NumberManufacturer
7375949 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
1007R Diamond Reo Truck Co (USA)
1608A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
2UU01377 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
91673 Graham Paige Corp (USA)
1A7444 Napco International Llc Dba Napco International Inc (USA)
1608A Hercules Engine Co Inc (USA)
55104 White Motor Corp (USA)
Related Parts
5120-00-016-7582INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
5330-00-251-3231INTERCHANGEABLE
GASKET
55104
5360-00-260-6666INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
858272
5310-00-317-0765INTERCHANGEABLE
WASHER,LOCK
5/8 LOCKWASHER
5360-00-343-3396INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1608A
6625-00-427-4508INTERCHANGEABLE
GENERATOR,SIGNAL
4710-00-435-9265INTERCHANGEABLE
TUBE,CALIBRATION,VACUUM
55-104
5330-00-640-9140INTERCHANGEABLE
SEAL,PLAIN ENCASED
5310-00-695-3587INTERCHANGEABLE
WASHER,NONMETALLIC
55104
2530-01-249-5548INTERCHANGEABLE
WEIGHT,WHEEL BALANCING
4920-01-299-5191INTERCHANGEABLE
TEST PROGRAM SET
91673
5995-01-332-1762INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
55104

Frequently Asked Questions

What is NSN 5306-00-354-1673?

NSN 5306-00-354-1673 is a Bolt,externally Relieved Body, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-354-1673?

NSN 5306-00-354-1673 has 8 cross-referenced part numbers: 7375949 (U S Army Tank Automotive Command Amsta-Im-Mm), 1007R (Diamond Reo Truck Co), 1608A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 2UU01377 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 91673 (Graham Paige Corp) and 3 more.

What NSN replaces 5306-00-354-1673?

There are 12 known substitutes for 5306-00-354-1673: 5120-00-016-7582, 5330-00-251-3231, 5360-00-260-6666 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7375949?

Key specifications for 7375949: Thread Quantity Per Inch: 13; Distance From Largest Bearing Surface of Head to End of First Diameter: 0.188 INCHES NOMINAL IN; Thread Class: 2A A; Externally Relieved Body Diameter Quantity: 2. 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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