PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125215Screw,machine

Telemechanics Inc · NSN 5305-00-206-8638 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-206-8638 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-206-8638. Primary manufacturer part number: 125215.
Features
  • Screw,machine — FSC 5305
  • Thread Quantity Per Inch: 40
  • Thread Class: 3A A
  • Width Between Flats: 0.250 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.112 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Screw Surface Treatment: ZINC
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-206-8638, 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 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-206-8638
Primary Part Number125215
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Thread Quantity Per Inch40
Thread Class3A A
Width Between Flats0.250 INCHES NOMINAL IN
Nominal Thread Diameter0.112 INCHES IN
Thread DirectionRIGHT-HAND
Screw Surface TreatmentZINC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.187 INCHES NOMINAL IN
Screw MaterialCOPPER ALLOY
Head Height0.062 INCHES NOMINAL IN
Head StyleHEXAGON
Thread Length0.187 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3120-00-734-88947348894 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
5310-00-840-6151 INTERCHANGEABLE
Nut,plain,slotted,hexagon
4920-00-917-6503 INTERCHANGEABLE
Aperture Disk,pump
5365-01-057-77232546-000-064 INTERCHANGEABLE
Bushing,gland
Velan Valve Corp.
5365-01-058-51083616-000-082 INTERCHANGEABLE
Bushing,yoke
Velan Valve Corp.
4820-01-058-51097-V-2901 INTERCHANGEABLE
Flange,packing
Velan Valve Corp.
4820-01-160-564233350 PIECE 24 1-4THRU1-2IN INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
7920-01-177-36337920011773633 INTERCHANGEABLE
Towel,machinery Wiping
National Industries for the Blind
4820-01-204-52783BV-2501 INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
6230-01-483-115833350 INTERCHANGEABLE
Flashlight
Streamlight Inc Dba Streamlight Inc
Cross-Reference Index
Part NumberManufacturer
125215 American Telephone and Telegraph Co (USA)
125215 Zf Industrieantriebe Witten Gmbh (DEU)
33-350 Zf Industrieantriebe Witten Gmbh (DEU)
125215 PRIMARY Telemechanics Inc (USA)
33-350 Telemechanics Inc (USA)
33-350 American Telephone and Telegraph Co (USA)
Related Parts
3120-00-734-8894INTERCHANGEABLE
BEARING,SLEEVE
7348894
5310-00-840-6151INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
4920-00-917-6503INTERCHANGEABLE
APERTURE DISK,PUMP
5365-01-057-7723INTERCHANGEABLE
BUSHING,GLAND
2546-000-064
5365-01-058-5108INTERCHANGEABLE
BUSHING,YOKE
3616-000-082
4820-01-058-5109INTERCHANGEABLE
FLANGE,PACKING
7-V-2901
4820-01-160-5642INTERCHANGEABLE
STEM,FLUID VALVE
33350 PIECE 24 1-4THRU1-2IN
7920-01-177-3633INTERCHANGEABLE
TOWEL,MACHINERY WIPING
7920011773633
4820-01-204-5278INTERCHANGEABLE
STEM,FLUID VALVE
3BV-2501
6230-01-483-1158INTERCHANGEABLE
FLASHLIGHT
33350
5120-01-609-6027INTERCHANGEABLE
SOCKET SET,SOCKET WRENCH
33350

Frequently Asked Questions

What is NSN 5305-00-206-8638?

NSN 5305-00-206-8638 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 5305-00-206-8638?

NSN 5305-00-206-8638 has 6 cross-referenced part numbers: 125215 (American Telephone and Telegraph Co), 125215 (Zf Industrieantriebe Witten Gmbh), 33-350 (Zf Industrieantriebe Witten Gmbh), 125215 (Telemechanics Inc), 33-350 (Telemechanics Inc) and 1 more.

What NSN replaces 5305-00-206-8638?

There are 11 known substitutes for 5305-00-206-8638: 3120-00-734-8894, 5310-00-840-6151, 4920-00-917-6503 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125215?

Key specifications for 125215: Thread Quantity Per Inch: 40; Thread Class: 3A A; Width Between Flats: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.112 INCHES IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-206-8638 still in active supply?

NSN 5305-00-206-8638 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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