PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20399Setscrew

Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools · NSN 5305-01-612-2539 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-612-2539 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-612-2539. Primary manufacturer part number: 20399.
Features
  • Setscrew — FSC 5305
  • Point Style: OVAL
  • Thread Quantity Per Inch: 20
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: HEADLESS (SETSCREW)
  • 1 verified cross-reference
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Setscrew, cataloged under National Stock Number 5305-01-612-2539, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools. Government technical data includes 6 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-612-2539
Primary Part Number20399
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerStanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
StatusACTIVE
Point StyleOVAL
Thread Quantity Per Inch20
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.250 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleHEADLESS (SETSCREW)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6130-00-240-41724B1C2 INTERCHANGEABLE
Rectifier,metallic
Pd&e Electronics, Llc
4320-00-473-0815 INTERCHANGEABLE
Cover,pump
1630-00-785-7615 INTERCHANGEABLE
Parts Kit,dual Brak
5331-00-844-32205427-3 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5930-00-936-594320399 INTERCHANGEABLE
Switch,liquid Flow
Setra Systems, Inc. Dba Gems Sensors
5999-01-044-5781 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Cross-Reference Index
Part NumberManufacturer
20399 PRIMARY Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools (USA)
Related Parts
6130-00-240-4172INTERCHANGEABLE
RECTIFIER,METALLIC
4B1C2
4320-00-473-0815INTERCHANGEABLE
COVER,PUMP
1630-00-785-7615INTERCHANGEABLE
PARTS KIT,DUAL BRAK
5331-00-844-3220INTERCHANGEABLE
O-RING
5427-3
5930-00-936-5943INTERCHANGEABLE
SWITCH,LIQUID FLOW
20399
5999-01-044-5781INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON

Frequently Asked Questions

What is NSN 5305-01-612-2539?

NSN 5305-01-612-2539 is a Setscrew, manufactured by Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-612-2539?

NSN 5305-01-612-2539 has 1 cross-referenced part number: 20399 (Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools).

What NSN replaces 5305-01-612-2539?

There are 6 known substitutes for 5305-01-612-2539: 6130-00-240-4172, 4320-00-473-0815, 1630-00-785-7615 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20399?

Key specifications for 20399: End Item Identification: NSN 2420-01-535-4061; Part Name Assigned by Controlling Agency: OVAL PT SETSCREW 1/4; Point Style: OVAL; Thread Quantity Per Inch: 20. 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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