PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-172Screw,machine

Teledyne Industries Inc Teledyne Power Systems Div · NSN 5305-00-286-2740 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-286-2740 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-286-2740. Primary manufacturer part number: 2-172.
Features
  • Screw,machine — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Fastener Length: 0.531 INCHES NOMINAL IN
  • Head Height: 0.086 INCHES NOMINAL IN
  • Internal Drive Style: SLOT
  • Screw Material: STEEL COMP 1212
  • Head Diameter: 0.281 INCHES NOMINAL IN
  • Thread Series Designator: LOWENHERZ
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-286-2740, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Power Systems Div. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-286-2740
Primary Part Number2-172
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Power Systems Div
StatusCANCELLED
Thread DirectionRIGHT-HAND
Fastener Length0.531 INCHES NOMINAL IN
Head Height0.086 INCHES NOMINAL IN
Internal Drive StyleSLOT
Screw MaterialSTEEL COMP 1212
Head Diameter0.281 INCHES NOMINAL IN
Thread Series DesignatorLOWENHERZ
Thread Pitch in Millimeters42.3
Thread Length0.281 INCHES MINIMUM IN
Nominal Thread Diameter3.5 MILLIMETERS MM
Head StyleFILLISTER
Screw Material Document and ClassificationAMS 5010 ASSN STD SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6645-00-066-42796645000664279 INTERCHANGEABLE
Watch,wrist
General Services Administration Federal Supply Service
6145-00-194-9829 INTERCHANGEABLE
Braid,wire
5120-00-221-114817-2 INTERCHANGEABLE
Punch and Die,grommet Inserting
Wilson Corporation, Inc. Dba Hollingsworth Mfg. Co. Div Hollingsworth Mfg.
5325-00-281-65932172 INTERCHANGEABLE
Grommet,nonmetallic
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5360-00-343-6972 INTERCHANGEABLE
Spring,helical,compression
4730-00-491-1013 INTERCHANGEABLE
Nipple,pipe
5935-00-819-54854139-0001 INTERCHANGEABLE
Cover,electrical Connector
Sv Microwave, Inc. Div Sv Microwave
6655-01-075-83152172 INTERCHANGEABLE
Corer,piston
Teledyne Instruments, Inc. Dba Teledyne Benthos
5331-01-101-1726 INTERCHANGEABLE
O-Ring
6515-01-227-96002172 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
Cross-Reference Index
Part NumberManufacturer
2-172 Teledyne Industries Inc Teledyne Power Systems Div (USA)
2-172 Amphenol Corp Div Amphenol Aerospace Operations (USA)
5190746 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
2-172 Unison Industries Llc (USA)
Related Parts
6645-00-066-4279INTERCHANGEABLE
WATCH,WRIST
6645000664279
6145-00-194-9829INTERCHANGEABLE
BRAID,WIRE
5120-00-221-1148INTERCHANGEABLE
PUNCH AND DIE,GROMMET INSERTING
17-2
5325-00-281-6593INTERCHANGEABLE
GROMMET,NONMETALLIC
2172
5360-00-343-6972INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4730-00-491-1013INTERCHANGEABLE
NIPPLE,PIPE
5935-00-819-5485INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
4139-0001
6655-01-075-8315INTERCHANGEABLE
CORER,PISTON
2172
5331-01-101-1726INTERCHANGEABLE
O-RING
6515-01-227-9600INTERCHANGEABLE
BAG,OSTOMY
2172
8920-01-362-7397INTERCHANGEABLE
CEREAL,OATS,PUFFED
2172

Frequently Asked Questions

What is NSN 5305-00-286-2740?

NSN 5305-00-286-2740 is a Screw,machine, manufactured by Teledyne Industries Inc Teledyne Power Systems Div, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-286-2740?

NSN 5305-00-286-2740 has 4 cross-referenced part numbers: 2-172 (Teledyne Industries Inc Teledyne Power Systems Div), 2-172 (Amphenol Corp Div Amphenol Aerospace Operations), 5190746 (U S Army Tank Automotive Command Amsta-Im-Mm), 2-172 (Unison Industries Llc).

What NSN replaces 5305-00-286-2740?

There are 11 known substitutes for 5305-00-286-2740: 6645-00-066-4279, 6145-00-194-9829, 5120-00-221-1148 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-172?

Key specifications for 2-172: Thread Direction: RIGHT-HAND; Fastener Length: 0.531 INCHES NOMINAL IN; Head Height: 0.086 INCHES NOMINAL IN; Internal Drive Style: SLOT. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-286-2740 still in active supply?

NSN 5305-00-286-2740 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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