PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-175Screw,machine

Precision Aerospace Corporation Dba Precision Engine Control · NSN 5305-00-350-4123 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-350-4123 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-350-4123. Primary manufacturer part number: 2-175.
Features
  • Screw,machine — FSC 5305
  • Thread Length: 0.281 INCHES MAXIMUM IN
  • Countersink Angle: 90.0 DEGREES NOMINAL
  • Fastener Length: 0.281 INCHES NOMINAL IN
  • Head Diameter: 0.269 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
  • Internal Drive Style: SLOT
  • Thread Series Designator: LOWENHERZ
  • Nominal Thread Diameter: 3.5 MILLIMETERS MM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-350-4123, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Precision Aerospace Corporation Dba Precision Engine Control. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-350-4123
Primary Part Number2-175
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerPrecision Aerospace Corporation Dba Precision Engine Control
StatusCANCELLED
Thread Length0.281 INCHES MAXIMUM IN
Countersink Angle90.0 DEGREES NOMINAL
Fastener Length0.281 INCHES NOMINAL IN
Head Diameter0.269 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Thread Series DesignatorLOWENHERZ
Nominal Thread Diameter3.5 MILLIMETERS MM
Head StyleFLAT COUNTERSUNK UNDERCUT
Thread DirectionRIGHT-HAND
Head Height0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
9540-00-145-8143 INTERCHANGEABLE
Angle,structural
5325-00-174-28602174 INTERCHANGEABLE
Grommet,nonmetallic
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5310-00-204-5329 INTERCHANGEABLE
Washer,lock
6145-00-220-9660 INTERCHANGEABLE
Braid,wire
5120-00-221-1150217-4 INTERCHANGEABLE
Punch and Die,grommet Inserting
C. S. Osborne and Company Dba Cs Osborne & Co
4720-00-349-9103 INTERCHANGEABLE
Hose,nonmetallic
5835-00-411-6342 INTERCHANGEABLE
Head,magnetic
5331-00-425-32472-174N674-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
9540-00-517-1393 INTERCHANGEABLE
Angle,structural
5975-00-518-4450 INTERCHANGEABLE
Adapter,electrical Conduit
Cross-Reference Index
Part NumberManufacturer
2-174 Unison Industries Llc (USA)
2-175 Amphenol Corp Div Amphenol Aerospace Operations (USA)
2-175 PRIMARY Precision Aerospace Corporation Dba Precision Engine Control (USA)
5326243 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
2-175 Unison Industries Llc (USA)
2-174 Amphenol Corp Div Amphenol Aerospace Operations (USA)
2-174 Teledyne Industries Inc Teledyne Power Systems Div (USA)
Related Parts
9540-00-145-8143INTERCHANGEABLE
ANGLE,STRUCTURAL
5325-00-174-2860INTERCHANGEABLE
GROMMET,NONMETALLIC
2174
5310-00-204-5329INTERCHANGEABLE
WASHER,LOCK
6145-00-220-9660INTERCHANGEABLE
BRAID,WIRE
5120-00-221-1150INTERCHANGEABLE
PUNCH AND DIE,GROMMET INSERTING
217-4
4720-00-349-9103INTERCHANGEABLE
HOSE,NONMETALLIC
5835-00-411-6342INTERCHANGEABLE
HEAD,MAGNETIC
5331-00-425-3247INTERCHANGEABLE
O-RING
2-174N674-70
9540-00-517-1393INTERCHANGEABLE
ANGLE,STRUCTURAL
5975-00-518-4450INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
5910-00-626-0132INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
5360-00-630-6309INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
2174

Frequently Asked Questions

What is NSN 5305-00-350-4123?

NSN 5305-00-350-4123 is a Screw,machine, manufactured by Precision Aerospace Corporation Dba Precision Engine Control, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-350-4123?

NSN 5305-00-350-4123 has 7 cross-referenced part numbers: 2-174 (Unison Industries Llc), 2-175 (Amphenol Corp Div Amphenol Aerospace Operations), 2-175 (Precision Aerospace Corporation Dba Precision Engine Control), 5326243 (U S Army Tank Automotive Command Amsta-Im-Mm), 2-175 (Unison Industries Llc) and 2 more.

What NSN replaces 5305-00-350-4123?

There are 12 known substitutes for 5305-00-350-4123: 9540-00-145-8143, 5325-00-174-2860, 5310-00-204-5329 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-175?

Key specifications for 2-175: Thread Length: 0.281 INCHES MAXIMUM IN; Countersink Angle: 90.0 DEGREES NOMINAL; Fastener Length: 0.281 INCHES NOMINAL IN; Head Diameter: 0.269 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-350-4123 still in active supply?

NSN 5305-00-350-4123 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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