PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

151659Screw,machine

Telemechanics Inc · NSN 5305-00-206-2050 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-206-2050 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-206-2050. Primary manufacturer part number: 151659.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNF
  • Thread Direction: RIGHT-HAND
  • Fastener Length: 0.500 INCHES NOMINAL IN
  • Head Height: 0.125 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Head Diameter: 0.218 INCHES NOMINAL IN
  • 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 5305-00-206-2050, 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 16 commercial cross-references from 5 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
NSN5305-00-206-2050
Primary Part Number151659
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Fastener Length0.500 INCHES NOMINAL IN
Head Height0.125 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Head Diameter0.218 INCHES NOMINAL IN
Internal Drive StyleSLOT
Thread Class2A A
Screw Surface TreatmentCADMIUM AND CHROMATE
Thread Quantity Per Inch40
Screw MaterialSTEEL
Head StyleFILLISTER
Thread Length0.375 INCHES MINIMUM IN
Screw Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2920-00-112-9028MAB1008A INTERCHANGEABLE
Winding,motor Field
Cnh Industrial America Llc Dba Cnh America
3130-00-140-8121125155 INTERCHANGEABLE
Bearing Unit,ball
Reliance Electric Company Dba Reliance & Dodge Brands
2910-00-927-7229323960R91 INTERCHANGEABLE
Filter Element,fluid
Dressta North America Ltd
1005-01-095-207133158 INTERCHANGEABLE
Control Box,electrical,armament
Cadillac Gage Textron Inc.
4820-01-289-37161251-5-5 INTERCHANGEABLE
Stem,fluid Valve
Flowserve Corporation Div Flowserve Us Inc
5130-01-350-597312515-5 INTERCHANGEABLE
Blade,reciprocating Saw
Porter Cable/delta
5210-01-428-543333-158 INTERCHANGEABLE
Tape,measuring
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
151659 PRIMARY Telemechanics Inc (USA)
33-158 At and T Corp (USA)
1269 American Telephone and Telegraph Co (USA)
9 Metal Dynamics Corp (USA)
151659 American Telephone and Telegraph Co (USA)
33-158 Zf Industrieantriebe Witten Gmbh (DEU)
33-158 American Telephone and Telegraph Co (USA)
125155 Zf Industrieantriebe Witten Gmbh (DEU)
151659 Zf Industrieantriebe Witten Gmbh (DEU)
151659 At and T Corp (USA)
125155 American Telephone and Telegraph Co (USA)
1269 At and T Corp (USA)
1269 PRIMARY Telemechanics Inc (USA)
125155 PRIMARY Telemechanics Inc (USA)
33-158 PRIMARY Telemechanics Inc (USA)
125155 At and T Corp (USA)
Related Parts
2920-00-112-9028INTERCHANGEABLE
WINDING,MOTOR FIELD
MAB1008A
3130-00-140-8121INTERCHANGEABLE
BEARING UNIT,BALL
125155
2910-00-927-7229INTERCHANGEABLE
FILTER ELEMENT,FLUID
323960R91
1005-01-095-2071INTERCHANGEABLE
CONTROL BOX,ELECTRICAL,ARMAMENT
33158
4820-01-289-3716INTERCHANGEABLE
STEM,FLUID VALVE
1251-5-5
5130-01-350-5973INTERCHANGEABLE
BLADE,RECIPROCATING SAW
12515-5
5210-01-428-5433INTERCHANGEABLE
TAPE,MEASURING
33-158

Frequently Asked Questions

What is NSN 5305-00-206-2050?

NSN 5305-00-206-2050 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 5305-00-206-2050?

NSN 5305-00-206-2050 has 16 cross-referenced part numbers: 151659 (Telemechanics Inc), 33-158 (At and T Corp), 1269 (American Telephone and Telegraph Co), 9 (Metal Dynamics Corp), 151659 (American Telephone and Telegraph Co) and 11 more.

What NSN replaces 5305-00-206-2050?

There are 7 known substitutes for 5305-00-206-2050: 2920-00-112-9028, 3130-00-140-8121, 2910-00-927-7229 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 151659?

Key specifications for 151659: Thread Series Designator: UNF; Thread Direction: RIGHT-HAND; Fastener Length: 0.500 INCHES NOMINAL IN; Head Height: 0.125 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-206-2050 still in active supply?

NSN 5305-00-206-2050 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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