PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7990Bolt,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5306-00-147-6515 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-147-6515 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-147-6515. Primary manufacturer part number: 7990.
Features
  • Bolt,machine — FSC 5306
  • Width Between Flats: 0.500 INCHES NOMINAL IN
  • Head Height: 0.234 INCHES NOMINAL IN
  • Hole Diameter: 0.062 INCHES NOMINAL IN
  • Fastener Length: 0.750 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 18
  • Hole Configuration Style: HEXAGON LONGITUDINAL HOLE
  • Thread Length: 0.657 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8740 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-147-6515, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 20 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-147-6515
Primary Part Number7990
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Width Between Flats0.500 INCHES NOMINAL IN
Head Height0.234 INCHES NOMINAL IN
Hole Diameter0.062 INCHES NOMINAL IN
Fastener Length0.750 INCHES NOMINAL IN
Thread Quantity Per Inch18
Hole Configuration StyleHEXAGON LONGITUDINAL HOLE
Thread Length0.657 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Shank Unthreaded Hole Diameter0.062 INCHES NOMINAL FIRST HOLE IN
Features ProvidedFINISHED HEAD
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Nominal Thread Diameter0.312 INCHES IN
Hole Quantity6
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleHEXAGON
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL COMP 8740 OVERALL
Hole TypeDRILLED
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4930-00-222-10737216-4 INTERCHANGEABLE
Pump,lubricant Transfer
The Voto Manufacturers Sales Company Div Voto Manufacturers Sales Co, the
5995-00-258-82947990 INTERCHANGEABLE
Lead,electrical
Centroid, Inc. Dba Centroid Inc
5905-00-434-1686960602-2 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Raytheon Company Dba Raytheon
2520-00-494-01597349242 INTERCHANGEABLE
Shaft Drive Winch
U S Army Tank Automotive Command Amsta-Im-Mm
6625-00-772-6735 INTERCHANGEABLE
Voltmeter
5998-00-898-72577990 INTERCHANGEABLE
Printed Circuit Board
Drs Signal Solutions, Inc.
4820-01-278-87727990 PIECE 2 INTERCHANGEABLE
Disk,valve
William E Williams Valve Corp
4240-01-320-19537000126524 INTERCHANGEABLE
Faceshield,welder
3m Company
6660-01-432-18711A21013H02 INTERCHANGEABLE
Baroswitch
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5360-01-573-53667990 INTERCHANGEABLE
Spring,helical,extension
O F Mossberg & Sons Inc
Cross-Reference Index
Part NumberManufacturer
7990 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
4930-00-222-1073INTERCHANGEABLE
PUMP,LUBRICANT TRANSFER
7216-4
5995-00-258-8294INTERCHANGEABLE
LEAD,ELECTRICAL
7990
5905-00-434-1686INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
960602-2
2520-00-494-0159INTERCHANGEABLE
SHAFT DRIVE WINCH
7349242
6625-00-772-6735INTERCHANGEABLE
VOLTMETER
5998-00-898-7257INTERCHANGEABLE
PRINTED CIRCUIT BOARD
7990
4820-01-278-8772INTERCHANGEABLE
DISK,VALVE
7990 PIECE 2
4240-01-320-1953INTERCHANGEABLE
FACESHIELD,WELDER
7000126524
6660-01-432-1871INTERCHANGEABLE
BAROSWITCH
1A21013H02
5360-01-573-5366INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
7990
4240-01-614-7622INTERCHANGEABLE
FILTER,PARTICULATE
7990

Frequently Asked Questions

What is NSN 5306-00-147-6515?

NSN 5306-00-147-6515 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-147-6515?

NSN 5306-00-147-6515 has 1 cross-referenced part number: 7990 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5306-00-147-6515?

There are 11 known substitutes for 5306-00-147-6515: 4930-00-222-1073, 5995-00-258-8294, 5905-00-434-1686 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7990?

Key specifications for 7990: Width Between Flats: 0.500 INCHES NOMINAL IN; Head Height: 0.234 INCHES NOMINAL IN; Hole Diameter: 0.062 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-147-6515 still in active supply?

NSN 5306-00-147-6515 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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