PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71155Screw,machine

Telemechanics Inc · NSN 5305-00-473-8378 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-473-8378 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-473-8378. Primary manufacturer part number: 71155.
Features
  • Screw,machine — FSC 5305
  • Screw Material: STEEL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: FLAT COUNTERSUNK
  • Internal Drive Style: SLOT
  • Thread Length: 1.125 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-473-8378, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-473-8378
Primary Part Number71155
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Screw MaterialSTEEL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleFLAT COUNTERSUNK
Internal Drive StyleSLOT
Thread Length1.125 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Thread Class2A A
Countersink Angle110.0 DEGREES NOMINAL
Screw Surface TreatmentCADMIUM
Head Diameter0.250 INCHES NOMINAL IN
Thread Quantity Per Inch32
Thread DirectionRIGHT-HAND
Fastener Length1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-178-961210A1914842 INTERCHANGEABLE
Washer,flat
Fwd Seagrave Holdings Lp
2530-01-193-4665 INTERCHANGEABLE
Brake Shoe
5360-01-282-932471155 INTERCHANGEABLE
Spring,helical,compression
Ingersoll-Rand Co Material Handling Div
8040-01-665-157471155 INTERCHANGEABLE
Adhesive
Valco Cincinnati Inc
Cross-Reference Index
Part NumberManufacturer
71155 PRIMARY Telemechanics Inc (USA)
71155 American Telephone and Telegraph Co (USA)
Related Parts
5310-00-178-9612INTERCHANGEABLE
WASHER,FLAT
10A1914842
2530-01-193-4665INTERCHANGEABLE
BRAKE SHOE
5360-01-282-9324INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
71155
8040-01-665-1574INTERCHANGEABLE
ADHESIVE
71155

Frequently Asked Questions

What is NSN 5305-00-473-8378?

NSN 5305-00-473-8378 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 5305-00-473-8378?

NSN 5305-00-473-8378 has 2 cross-referenced part numbers: 71155 (Telemechanics Inc), 71155 (American Telephone and Telegraph Co).

What NSN replaces 5305-00-473-8378?

There are 4 known substitutes for 5305-00-473-8378: 5310-00-178-9612, 2530-01-193-4665, 5360-01-282-9324 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 71155?

Key specifications for 71155: Screw Material: STEEL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Style: FLAT COUNTERSUNK; Internal Drive Style: SLOT. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-473-8378 still in active supply?

NSN 5305-00-473-8378 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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