PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

538368Screw,machine

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5305-00-147-2462 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-147-2462 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-147-2462. Primary manufacturer part number: 538368.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Thread Length: 0.438 INCHES MINIMUM IN
  • Head Height: 0.188 INCHES NOMINAL IN
  • Screw Surface Treatment: CADMIUM
  • Thread Class: 3A A
  • Fastener Length: 3.938 INCHES NOMINAL IN
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-147-2462, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-147-2462
Primary Part Number538368
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusCANCELLED
Internal Drive StyleCROSS RECESS TYPE 1
Thread Length0.438 INCHES MINIMUM IN
Head Height0.188 INCHES NOMINAL IN
Screw Surface TreatmentCADMIUM
Thread Class3A A
Fastener Length3.938 INCHES NOMINAL IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Thread Series DesignatorUNF
Nominal Thread Diameter0.250 INCHES IN
Thread Quantity Per Inch28
Thread DirectionRIGHT-HAND
Width Between Flats0.438 INCHES NOMINAL IN
Head StyleHEXAGON
Screw MaterialSTEEL COMP 8740
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5305-00-282-3861 INTERCHANGEABLE
Screw,machine
5330-00-430-834680102B INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
4820-00-491-499838368 INTERCHANGEABLE
Disk,valve
The Walworth Company
5365-01-416-544538368 INTERCHANGEABLE
Ring,externally Threaded
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
538368 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
38368 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
5305L20-004 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
5305-00-282-3861INTERCHANGEABLE
SCREW,MACHINE
5330-00-430-8346INTERCHANGEABLE
GASKET
80102B
4820-00-491-4998INTERCHANGEABLE
DISK,VALVE
38368
5365-01-416-5445INTERCHANGEABLE
RING,EXTERNALLY THREADED
38368

Frequently Asked Questions

What is NSN 5305-00-147-2462?

NSN 5305-00-147-2462 is a Screw,machine, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-147-2462?

NSN 5305-00-147-2462 has 3 cross-referenced part numbers: 538368 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 38368 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 5305L20-004 (Us Army Aviation and Missile Command).

What NSN replaces 5305-00-147-2462?

There are 4 known substitutes for 5305-00-147-2462: 5305-00-282-3861, 5330-00-430-8346, 4820-00-491-4998 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 538368?

Key specifications for 538368: Internal Drive Style: CROSS RECESS TYPE 1; Thread Length: 0.438 INCHES MINIMUM IN; Head Height: 0.188 INCHES NOMINAL IN; Screw Surface Treatment: CADMIUM. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-147-2462 still in active supply?

NSN 5305-00-147-2462 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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