PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4123Screw,machine

Federal Screw Products, Inc. · NSN 5305-01-030-1745 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-030-1745 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-030-1745. Primary manufacturer part number: 4123.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Screw Surface Treatment: NICKEL
  • Internal Drive Style: SLOT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 40
  • Head Style: BINDING
  • Thread Length: 0.313 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-030-1745, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Screw Products, Inc.. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-030-1745
Primary Part Number4123
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Screw Products, Inc.
StatusACTIVE
Thread Class2A A
Screw Surface TreatmentNICKEL
Internal Drive StyleSLOT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch40
Head StyleBINDING
Thread Length0.313 INCHES NOMINAL IN
Nominal Thread Diameter0.112 INCHES IN
Thread DirectionRIGHT-HAND
Screw MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-154-8370 INTERCHANGEABLE
Seal,plain Encased
4730-00-476-7134417-010 INTERCHANGEABLE
Elbow,pipe
Nibco Inc Chemtrol Div
5340-00-905-50514123 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
4933-00-971-5917412-3 INTERCHANGEABLE
Arm Assembly
Keysight Technologies Inc
5930-01-092-4888412-3 INTERCHANGEABLE
Switch,rotary
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5905-01-128-1038 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
1630-01-169-7025412-3 INTERCHANGEABLE
Pressure Plate and
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
6515-01-234-09494123 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
5440-01-266-42734123 INTERCHANGEABLE
Outrigger,scaffold
Werner Co Dba Werner Extruded Products Co
4330-01-273-58574123 INTERCHANGEABLE
Filtering Disk,fluid
Perry Filters Inc
Cross-Reference Index
Part NumberManufacturer
4123 Federal Screw Products, Inc. (USA)
Related Parts
5330-00-154-8370INTERCHANGEABLE
SEAL,PLAIN ENCASED
4730-00-476-7134INTERCHANGEABLE
ELBOW,PIPE
417-010
5340-00-905-5051INTERCHANGEABLE
BUMPER
4123
4933-00-971-5917INTERCHANGEABLE
ARM ASSEMBLY
412-3
5930-01-092-4888INTERCHANGEABLE
SWITCH,ROTARY
412-3
5905-01-128-1038INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
1630-01-169-7025INTERCHANGEABLE
PRESSURE PLATE AND
412-3
6515-01-234-0949INTERCHANGEABLE
BAG,OSTOMY
4123
5440-01-266-4273INTERCHANGEABLE
OUTRIGGER,SCAFFOLD
4123
4330-01-273-5857INTERCHANGEABLE
FILTERING DISK,FLUID
4123
6145-01-412-7499INTERCHANGEABLE
CABLE,RADIO FREQUENCY
5340-01-596-7733INTERCHANGEABLE
PLUG,EXPANSION
41-23

Frequently Asked Questions

What is NSN 5305-01-030-1745?

NSN 5305-01-030-1745 is a Screw,machine, manufactured by Federal Screw Products, Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-030-1745?

NSN 5305-01-030-1745 has 1 cross-referenced part number: 4123 (Federal Screw Products, Inc.).

What NSN replaces 5305-01-030-1745?

There are 12 known substitutes for 5305-01-030-1745: 5330-00-154-8370, 4730-00-476-7134, 5340-00-905-5051 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4123?

Key specifications for 4123: Thread Class: 2A A; Screw Surface Treatment: NICKEL; Internal Drive Style: SLOT; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 10 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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