PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44035Screw,machine

Telemechanics Inc · NSN 5305-00-639-8256 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-639-8256 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-639-8256. Primary manufacturer part number: 44035.
Features
  • Screw,machine — FSC 5305
  • Width Between Flats: 0.250 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Screw Material: STEEL
  • Thread Quantity Per Inch: 32
  • Thread Series Designator: UNF
  • Thread Length: 0.375 INCHES MINIMUM IN
  • Fastener Length: 0.562 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-639-8256, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-639-8256
Primary Part Number44035
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Width Between Flats0.250 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Screw MaterialSTEEL
Thread Quantity Per Inch32
Thread Series DesignatorUNF
Thread Length0.375 INCHES MINIMUM IN
Fastener Length0.562 INCHES NOMINAL IN
Internal Drive StyleCROSS RECESS TYPE 1
Head Height0.125 INCHES NOMINAL IN
Thread Class2A A
Nominal Thread Diameter0.190 INCHES IN
Head StyleHEXAGON
Screw Surface TreatmentNICKEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2815-00-375-989244035 INTERCHANGEABLE
Housing,cam Follower
Cummins Inc.
5915-00-781-037744035 INTERCHANGEABLE
Filter,band Suppression
L3harris Technologies, Inc. Div Space and Airborne Systems
5935-01-101-7020 INTERCHANGEABLE
Connector Assembly,electrical
5950-01-214-058355-513395-1 INTERCHANGEABLE
Transformer,power
General Dynamics Mission Systems, Inc.
5330-01-299-489244035 INTERCHANGEABLE
Seal,plain
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
44035 At and T Corp (USA)
44035 PRIMARY Telemechanics Inc (USA)
Related Parts
2815-00-375-9892INTERCHANGEABLE
HOUSING,CAM FOLLOWER
44035
5915-00-781-0377INTERCHANGEABLE
FILTER,BAND SUPPRESSION
44035
5935-01-101-7020INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
5950-01-214-0583INTERCHANGEABLE
TRANSFORMER,POWER
55-513395-1
5330-01-299-4892INTERCHANGEABLE
SEAL,PLAIN
44035

Frequently Asked Questions

What is NSN 5305-00-639-8256?

NSN 5305-00-639-8256 is a Screw,machine, manufactured by Telemechanics Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-639-8256?

NSN 5305-00-639-8256 has 2 cross-referenced part numbers: 44035 (At and T Corp), 44035 (Telemechanics Inc).

What NSN replaces 5305-00-639-8256?

There are 5 known substitutes for 5305-00-639-8256: 2815-00-375-9892, 5915-00-781-0377, 5935-01-101-7020 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44035?

Key specifications for 44035: Width Between Flats: 0.250 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Screw Material: STEEL; Thread Quantity Per Inch: 32. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-639-8256 still in active supply?

NSN 5305-00-639-8256 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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