PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4900-40Bolt,machine

Pdi Ground Support Systems, Inc. · NSN 5306-01-258-4608 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-258-4608 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-258-4608. Primary manufacturer part number: 4900-40.
Features
  • Bolt,machine — FSC 5306
  • Thread Class: 3A A
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Features Provided: FINISHED HEAD
  • Thread Quantity Per Inch: 16
  • Material: STEEL OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
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 5306-01-258-4608, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pdi Ground Support Systems, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-258-4608
Primary Part Number4900-40
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerPdi Ground Support Systems, Inc.
StatusACTIVE
Thread Class3A A
Nominal Thread Diameter0.375 INCHES IN
Thread DirectionRIGHT-HAND
Features ProvidedFINISHED HEAD
Thread Quantity Per Inch16
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2915-00-872-0484490040 INTERCHANGEABLE
Manifold Assy,fuel
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5340-01-195-1765490040 INTERCHANGEABLE
Hinge,butt
Hobart Bros Co
9150-01-418-9008490040 INTERCHANGEABLE
Lubricating Oil,utility
Wd-40 Company
Cross-Reference Index
Part NumberManufacturer
4900-40 PRIMARY Pdi Ground Support Systems, Inc. (USA)
4900-40 Seyer Industries, Inc. Dba Seyer Industries Inc (USA)
Related Parts
2915-00-872-0484INTERCHANGEABLE
MANIFOLD ASSY,FUEL
490040
5340-01-195-1765INTERCHANGEABLE
HINGE,BUTT
490040
9150-01-418-9008INTERCHANGEABLE
LUBRICATING OIL,UTILITY
490040

Frequently Asked Questions

What is NSN 5306-01-258-4608?

NSN 5306-01-258-4608 is a Bolt,machine, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-258-4608?

NSN 5306-01-258-4608 has 2 cross-referenced part numbers: 4900-40 (Pdi Ground Support Systems, Inc.), 4900-40 (Seyer Industries, Inc. Dba Seyer Industries Inc).

What NSN replaces 5306-01-258-4608?

There are 3 known substitutes for 5306-01-258-4608: 2915-00-872-0484, 5340-01-195-1765, 9150-01-418-9008. Verify interchangeability with system specifications before substitution.

What are the specifications of 4900-40?

Key specifications for 4900-40: Thread Class: 3A A; Nominal Thread Diameter: 0.375 INCHES IN; Thread Direction: RIGHT-HAND; Features Provided: FINISHED HEAD. 8 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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