PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2544Screw,machine

Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron · NSN 5305-01-018-0126 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-018-0126 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-018-0126. Primary manufacturer part number: 2544.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Direction: RIGHT-HAND
  • Screw Material: PLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYCAPROLACTAM
  • Head Height: 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Fastener Length: 0.375 INCHES NOMINAL IN
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-018-0126, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Active.

Technical Specifications
ParameterValue
NSN5305-01-018-0126
Primary Part Number2544
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHalsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Screw MaterialPLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYCAPROLACTAM
Head Height0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Fastener Length0.375 INCHES NOMINAL IN
Thread Class2A A
ColorNATURAL
Nominal Thread Diameter0.138 INCHES IN
Thread Length0.313 INCHES NOMINAL IN
Head StyleFILLISTER
Head Diameter0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
Screw Material Document and ClassificationMIL-P-20693 MIL SPEC ALL MATERIAL RESPONSES
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-056-48752544 INTERCHANGEABLE
Adapter Assembly,filler Cap
Wisco Products Inc
4130-00-081-5399TIP01778-28SEP71 INTERCHANGEABLE
Filter-Drier,refrigerant
Cecom Lr Center
5940-00-110-58802544 INTERCHANGEABLE
Splice,conductor
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
5998-00-629-29513432362 INTERCHANGEABLE
Circuit Card Assembly
Raytheon Company Dba Raytheon
5975-00-669-9884 INTERCHANGEABLE
Box Connector,electrical
5930-00-757-54292544 INTERCHANGEABLE
Switch,rotary
Lockheed Martin Corp
5935-01-113-17362606F INTERCHANGEABLE
Adapter,connector
Maury Microwave, Inc. Dba Maury Microwave
4820-01-136-773112D 2 1/2IN INTERCHANGEABLE
Valve,check
Admiral Valve Llc Dba Cpv Manufacturing
3010-01-273-03102544 INTERCHANGEABLE
Coupling,shaft,rigid
Stromag Inc
8465-01-567-09002544 INTERCHANGEABLE
Bag,individual Equipment,carrier
Bushnell Group, Inc Div Bushnell Holdings, Inc.
Cross-Reference Index
Part NumberManufacturer
2544 Dialight Corporation (USA)
2544 PRIMARY Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
2829-3506 Xkd Corp Dba Display Solutions (USA)
067247 The Boeing Company Div Defense (USA)
2829-3506 Aydin Displays, Inc. (USA)
Related Parts
4730-00-056-4875INTERCHANGEABLE
ADAPTER ASSEMBLY,FILLER CAP
2544
4130-00-081-5399INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
TIP01778-28SEP71
5940-00-110-5880INTERCHANGEABLE
SPLICE,CONDUCTOR
2544
5998-00-629-2951INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3432362
5975-00-669-9884INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5930-00-757-5429INTERCHANGEABLE
SWITCH,ROTARY
2544
5935-01-113-1736INTERCHANGEABLE
ADAPTER,CONNECTOR
2606F
4820-01-136-7731INTERCHANGEABLE
VALVE,CHECK
12D 2 1/2IN
3010-01-273-0310INTERCHANGEABLE
COUPLING,SHAFT,RIGID
2544
8465-01-567-0900INTERCHANGEABLE
BAG,INDIVIDUAL EQUIPMENT,CARRIER
2544
7110-01-623-1182INTERCHANGEABLE
BOARD,MARKER
2544
5305-01-624-2613INTERCHANGEABLE
SCREW,MACHINE
2544

Frequently Asked Questions

What is NSN 5305-01-018-0126?

NSN 5305-01-018-0126 is a Screw,machine, manufactured by Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-018-0126?

NSN 5305-01-018-0126 has 5 cross-referenced part numbers: 2544 (Dialight Corporation), 2544 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 2829-3506 (Xkd Corp Dba Display Solutions), 067247 (The Boeing Company Div Defense), 2829-3506 (Aydin Displays, Inc.).

What NSN replaces 5305-01-018-0126?

There are 12 known substitutes for 5305-01-018-0126: 4730-00-056-4875, 4130-00-081-5399, 5940-00-110-5880 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2544?

Key specifications for 2544: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Screw Material: PLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYCAPROLACTAM; Head Height: 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN. 14 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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