PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102540Screw,machine

Massachusetts Institute of Technology · NSN 5305-00-939-9644 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-939-9644 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-939-9644. Primary manufacturer part number: 102540.
Features
  • Screw,machine — FSC 5305
  • Thread Quantity Per Inch: 72
  • Thread Length: 0.202 INCHES MINIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNF
  • Width Between Flats: 0.107 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
  • Head Style: HEXAGON
  • Head Height: 0.111 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-939-9644, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Massachusetts Institute of Technology. Government technical data includes 12 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-939-9644
Primary Part Number102540
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMassachusetts Institute of Technology
StatusACTIVE
Thread Quantity Per Inch72
Thread Length0.202 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Width Between Flats0.107 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
Head StyleHEXAGON
Head Height0.111 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
Nominal Thread Diameter0.073 INCHES IN
Fastener Length0.202 INCHES NOMINAL IN
Thread Class2A A
Screw MaterialSTEEL COMP 416
Screw Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4920-00-526-0860102540 INTERCHANGEABLE
Rail,transfer
Air Logistics Corporation Dba Air Logistics Corp
5950-00-733-02649100-2264 INTERCHANGEABLE
Coil,radio Frequency
Hewlett-Packard Company Dba HP
4730-00-804-6689102540 INTERCHANGEABLE
Restrictor,fluid Flow
Defense & Development Enterprises Llc
5130-01-018-2898102540 INTERCHANGEABLE
Wheel,abrasive
Starlite Industries Inc Dba Starliteindustries Div None
4030-01-264-9201 INTERCHANGEABLE
Wedge,wire Rope Socket
Cross-Reference Index
Part NumberManufacturer
102540 PRIMARY Massachusetts Institute of Technology (USA)
Related Parts
4920-00-526-0860INTERCHANGEABLE
RAIL,TRANSFER
102540
5950-00-733-0264INTERCHANGEABLE
COIL,RADIO FREQUENCY
9100-2264
4730-00-804-6689INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
102540
5130-01-018-2898INTERCHANGEABLE
WHEEL,ABRASIVE
102540
4030-01-264-9201INTERCHANGEABLE
WEDGE,WIRE ROPE SOCKET

Frequently Asked Questions

What is NSN 5305-00-939-9644?

NSN 5305-00-939-9644 is a Screw,machine, manufactured by Massachusetts Institute of Technology, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-939-9644?

NSN 5305-00-939-9644 has 1 cross-referenced part number: 102540 (Massachusetts Institute of Technology).

What NSN replaces 5305-00-939-9644?

There are 5 known substitutes for 5305-00-939-9644: 4920-00-526-0860, 5950-00-733-0264, 4730-00-804-6689 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102540?

Key specifications for 102540: Thread Quantity Per Inch: 72; Thread Length: 0.202 INCHES MINIMUM IN; Thread Direction: RIGHT-HAND; Thread Series Designator: UNF. 12 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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