PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1294Screw,machine

Telemechanics Inc · NSN 5305-00-639-7570 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-639-7570 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-639-7570. Primary manufacturer part number: 1294.
Features
  • Screw,machine — FSC 5305
  • Thread Length: 0.484 INCHES MINIMUM IN
  • Head Diameter: 0.219 INCHES NOMINAL IN
  • Head Height: 0.062 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 36
  • Thread Series Designator: UNS
  • Internal Drive Style: SLOT
  • Fastener Length: 0.500 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-639-7570, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-639-7570
Primary Part Number1294
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Thread Length0.484 INCHES MINIMUM IN
Head Diameter0.219 INCHES NOMINAL IN
Head Height0.062 INCHES NOMINAL IN
Thread Quantity Per Inch36
Thread Series DesignatorUNS
Internal Drive StyleSLOT
Fastener Length0.500 INCHES NOMINAL IN
Screw MaterialSTEEL
Thread Class2A A
Screw Surface TreatmentCHROMATE ZINC
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.112 INCHES IN
Head StyleFLAT CHAMFER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5325-00-174-5322129-4 INTERCHANGEABLE
Grommet,nonmetallic
Lockheed Martin Corporation Div Rms
5950-00-255-33331294 INTERCHANGEABLE
Transformer,power
Standard Industries
2920-00-374-95951294 INTERCHANGEABLE
Cable Assembly,spec
Champion Aerospace Llc
5365-00-447-88601294 INTERCHANGEABLE
Spacer,plate
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
1650-00-485-5949 INTERCHANGEABLE
Piston,linear Actuating Cylinder
3110-00-554-575680GX227 INTERCHANGEABLE
Bearing,ball,annular
Cotta Transmission Co Llc
2990-00-736-0140T-1294 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5930-00-996-51822266242 INTERCHANGEABLE
Switch,rotary
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5940-01-128-07541294 INTERCHANGEABLE
Cap,binding Post
Electro Scientific Industries Inc
4710-01-147-802423511853 INTERCHANGEABLE
Tube Assembly,metal
Rolls-Royce Solutions America Inc
Cross-Reference Index
Part NumberManufacturer
1294 PRIMARY Telemechanics Inc (USA)
1294 At and T Corp (USA)
Related Parts
5325-00-174-5322INTERCHANGEABLE
GROMMET,NONMETALLIC
129-4
5950-00-255-3333INTERCHANGEABLE
TRANSFORMER,POWER
1294
2920-00-374-9595INTERCHANGEABLE
CABLE ASSEMBLY,SPEC
1294
5365-00-447-8860INTERCHANGEABLE
SPACER,PLATE
1294
1650-00-485-5949INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
3110-00-554-5756INTERCHANGEABLE
BEARING,BALL,ANNULAR
80GX227
2990-00-736-0140INTERCHANGEABLE
MUFFLER,EXHAUST
T-1294
5930-00-996-5182INTERCHANGEABLE
SWITCH,ROTARY
2266242
5940-01-128-0754INTERCHANGEABLE
CAP,BINDING POST
1294
4710-01-147-8024INTERCHANGEABLE
TUBE ASSEMBLY,METAL
23511853
6220-01-201-5317INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
1294
5330-01-290-6113INTERCHANGEABLE
GASKET
KS-8940-A

Frequently Asked Questions

What is NSN 5305-00-639-7570?

NSN 5305-00-639-7570 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 5305-00-639-7570?

NSN 5305-00-639-7570 has 2 cross-referenced part numbers: 1294 (Telemechanics Inc), 1294 (At and T Corp).

What NSN replaces 5305-00-639-7570?

There are 12 known substitutes for 5305-00-639-7570: 5325-00-174-5322, 5950-00-255-3333, 2920-00-374-9595 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1294?

Key specifications for 1294: Thread Length: 0.484 INCHES MINIMUM IN; Head Diameter: 0.219 INCHES NOMINAL IN; Head Height: 0.062 INCHES NOMINAL IN; Thread Quantity Per Inch: 36. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-639-7570 still in active supply?

NSN 5305-00-639-7570 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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