PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1616Bolt,machine

Caterpillar Inc Div Caterpillar Defense · NSN 5306-00-063-4998 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-063-4998 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-063-4998. Primary manufacturer part number: S1616.
Features
  • Bolt,machine — FSC 5306
  • Head Style: HEXAGON
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Features Provided: FINISHED HEAD
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Thread Length: 0.750 INCHES MINIMUM IN
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-063-4998, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-063-4998
Primary Part NumberS1616
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Head StyleHEXAGON
Nominal Thread Diameter0.250 INCHES IN
Features ProvidedFINISHED HEAD
Thread DirectionRIGHT-HAND
Thread Class2A A
Thread Length0.750 INCHES MINIMUM IN
MaterialSTEEL OVERALL
Thread Quantity Per Inch20
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Grip Length0.250 INCHES NOMINAL IN
Head Height0.188 INCHES NOMINAL IN
Fastener Length1.000 INCHES NOMINAL IN
Width Between Flats0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5305-00-225-384312569621-66 INTERCHANGEABLE
Screw,cap,hexagon Head
U S Army Tank Automotive Command Amsta-Im-Mm
5330-00-869-4928S1616 INTERCHANGEABLE
Packing,preformed
The Gorman-Rupp Company Div Gorman-Rupp
4820-00-900-234426M77-100 ITEM 19 INTERCHANGEABLE
Disk,valve
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
S1616 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
0S1616 Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5305-00-225-3843INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12569621-66
5330-00-869-4928INTERCHANGEABLE
PACKING,PREFORMED
S1616
4820-00-900-2344INTERCHANGEABLE
DISK,VALVE
26M77-100 ITEM 19

Frequently Asked Questions

What is NSN 5306-00-063-4998?

NSN 5306-00-063-4998 is a Bolt,machine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-063-4998?

NSN 5306-00-063-4998 has 2 cross-referenced part numbers: S1616 (Caterpillar Inc Div Caterpillar Defense), 0S1616 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5306-00-063-4998?

There are 3 known substitutes for 5306-00-063-4998: 5305-00-225-3843, 5330-00-869-4928, 4820-00-900-2344. Verify interchangeability with system specifications before substitution.

What are the specifications of S1616?

Key specifications for S1616: Head Style: HEXAGON; Nominal Thread Diameter: 0.250 INCHES IN; Features Provided: FINISHED HEAD; Thread Direction: RIGHT-HAND. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-063-4998 still in active supply?

NSN 5306-00-063-4998 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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