PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1050Screw,machine

Telemechanics Inc · NSN 5305-00-297-7808 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-297-7808 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-297-7808. Primary manufacturer part number: 1050.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Screw Material: STEEL
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Fastener Length: 0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
  • Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-297-7808, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-297-7808
Primary Part Number1050
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Nominal Thread Diameter0.138 INCHES IN
Screw MaterialSTEEL
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Thread Class2A A
Head StyleFILLISTER
Screw Surface Treatment Document and ClassificationQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Screw Surface TreatmentZINC
Departure From Cited DesignatorAS MODIFIED BY FASTENER LENGTH
Head Height0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Thread Length0.169 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Nondefinitive Spec/std Data1 TYPE AND 4S STYLE
Thread Quantity Per Inch40
Head Diameter0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
Screw Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5305-00-297-3988 INTERCHANGEABLE
Screw,machine
5305-00-297-7640 INTERCHANGEABLE
Screw,machine
5305-00-297-7824 INTERCHANGEABLE
Screw,machine
5305-00-297-8043 INTERCHANGEABLE
Screw,machine
5305-00-514-7617 INTERCHANGEABLE
Screw,machine
5305-00-515-9807 INTERCHANGEABLE
Screw,machine
5305-00-639-4747226666 INTERCHANGEABLE
Screw,machine
Army, United States Department of the Dba Rock Island Arsenal Jmtc
Cross-Reference Index
Part NumberManufacturer
1050 PRIMARY Telemechanics Inc (USA)
FFS92TYPEISTYLE4S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1050 At and T Corp (USA)
Related Parts
5305-00-297-3988INTERCHANGEABLE
SCREW,MACHINE
5305-00-297-7640INTERCHANGEABLE
SCREW,MACHINE
5305-00-297-7824INTERCHANGEABLE
SCREW,MACHINE
5305-00-297-8043INTERCHANGEABLE
SCREW,MACHINE
5305-00-514-7617INTERCHANGEABLE
SCREW,MACHINE
5305-00-515-9807INTERCHANGEABLE
SCREW,MACHINE
5305-00-639-4747INTERCHANGEABLE
SCREW,MACHINE
226666

Frequently Asked Questions

What is NSN 5305-00-297-7808?

NSN 5305-00-297-7808 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 5305-00-297-7808?

NSN 5305-00-297-7808 has 3 cross-referenced part numbers: 1050 (Telemechanics Inc), FFS92TYPEISTYLE4S (Federal Specifications Promulgated by General Services Administration Washington DC), 1050 (At and T Corp).

What NSN replaces 5305-00-297-7808?

There are 7 known substitutes for 5305-00-297-7808: 5305-00-297-3988, 5305-00-297-7640, 5305-00-297-7824 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1050?

Key specifications for 1050: Nominal Thread Diameter: 0.138 INCHES IN; Screw Material: STEEL; Internal Drive Style: CROSS RECESS TYPE 1; Fastener Length: 0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-297-7808 still in active supply?

NSN 5305-00-297-7808 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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