PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

135013Screw,machine

Telemechanics Inc · NSN 5305-00-639-8255 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-639-8255 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-639-8255. Primary manufacturer part number: 135013.
Features
  • Screw,machine — FSC 5305
  • Thread Quantity Per Inch: 40
  • Screw Surface Treatment: COPPER
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Head Height: 0.375 INCHES NOMINAL IN
  • Screw Material: STEEL
  • Thread Direction: RIGHT-HAND
  • Internal Drive Style: SLOT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-639-8255, 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 14 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-639-8255
Primary Part Number135013
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Thread Quantity Per Inch40
Screw Surface TreatmentCOPPER
Nominal Thread Diameter0.138 INCHES IN
Head Height0.375 INCHES NOMINAL IN
Screw MaterialSTEEL
Thread DirectionRIGHT-HAND
Internal Drive StyleSLOT
Features ProvidedCASEHARDENED
Thread Class3A A
Head StyleFLAT CHAMFER
Head Diameter0.188 INCHES NOMINAL IN
Fastener Length0.250 INCHES NOMINAL IN
Thread Series DesignatorUNF
Thread Length0.172 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
1660-00-346-4051135013 INTERCHANGEABLE
Insert,valve Metering
Honeywell International Inc. Div Aerospace - Torrance
4930-00-348-56231350-13 INTERCHANGEABLE
Lubricator
Randall Mfg. Co., Inc.
5950-00-984-8723135013 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-01-058-19317047 INTERCHANGEABLE
Meter,special Scale
The Bechdon Company, Llc
Cross-Reference Index
Part NumberManufacturer
135013 PRIMARY Telemechanics Inc (USA)
135013 At and T Corp (USA)
135013 Lucent Technologies Inc Dba Federal Marketing Group (USA)
Related Parts
1660-00-346-4051INTERCHANGEABLE
INSERT,VALVE METERING
135013
4930-00-348-5623INTERCHANGEABLE
LUBRICATOR
1350-13
5950-00-984-8723INTERCHANGEABLE
TRANSFORMER,POWER
135013
6625-01-058-1931INTERCHANGEABLE
METER,SPECIAL SCALE
7047

Frequently Asked Questions

What is NSN 5305-00-639-8255?

NSN 5305-00-639-8255 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 5305-00-639-8255?

NSN 5305-00-639-8255 has 3 cross-referenced part numbers: 135013 (Telemechanics Inc), 135013 (At and T Corp), 135013 (Lucent Technologies Inc Dba Federal Marketing Group).

What NSN replaces 5305-00-639-8255?

There are 4 known substitutes for 5305-00-639-8255: 1660-00-346-4051, 4930-00-348-5623, 5950-00-984-8723 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 135013?

Key specifications for 135013: Thread Quantity Per Inch: 40; Screw Surface Treatment: COPPER; Nominal Thread Diameter: 0.138 INCHES IN; Head Height: 0.375 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-639-8255 still in active supply?

NSN 5305-00-639-8255 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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