PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9A1898Setscrew

Transicoil Llc Dba Ads Transicoil Div Transicoil · NSN 5305-01-286-7178 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-286-7178 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-286-7178. Primary manufacturer part number: 9A1898.
Features
  • Setscrew — FSC 5305
  • Head Style: HEADLESS (SETSCREW)
  • Nominal Thread Diameter: 0.086 INCHES IN
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Internal Drive Style: W/O INTERNAL DRIVE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Setscrew, cataloged under National Stock Number 5305-01-286-7178, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Transicoil Llc Dba Ads Transicoil Div Transicoil. Government technical data includes 10 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: Active.

Technical Specifications
ParameterValue
NSN5305-01-286-7178
Primary Part Number9A1898
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTransicoil Llc Dba Ads Transicoil Div Transicoil
StatusACTIVE
Head StyleHEADLESS (SETSCREW)
Nominal Thread Diameter0.086 INCHES IN
Fastener Length0.250 INCHES NOMINAL IN
Internal Drive StyleW/O INTERNAL DRIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Thread Class2A A
Thread Quantity Per Inch56
Locking FeaturePATCH THREADS
Point StylePOINTLESS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6850-00-163-579221330 INTERCHANGEABLE
Sealer,chemical
Nd Industries Inc Div Nd Industries, Inc. - Michigan Division
6625-00-238-1250VC3 INTERCHANGEABLE
Calibrator,voltage
Heathkit Co Inc Dba Heathkit Educational Systems
5120-00-246-4747 INTERCHANGEABLE
Caps,vise Jaw
2640-00-255-9346 INTERCHANGEABLE
Cap,pneumatic Valve
Cross-Reference Index
Part NumberManufacturer
VC-3 Nd Industries Inc Div Nd Industries, Inc. - Michigan Division (USA)
9A1898 PRIMARY Transicoil Llc Dba Ads Transicoil Div Transicoil (USA)
9H990-0250 Transicoil Llc Dba Ads Transicoil Use CAGE Code 82686 for Cataloging Div Transicoil (USA)
Related Parts
6850-00-163-5792INTERCHANGEABLE
SEALER,CHEMICAL
21330
6625-00-238-1250INTERCHANGEABLE
CALIBRATOR,VOLTAGE
VC3
5120-00-246-4747INTERCHANGEABLE
CAPS,VISE JAW
2640-00-255-9346INTERCHANGEABLE
CAP,PNEUMATIC VALVE

Frequently Asked Questions

What is NSN 5305-01-286-7178?

NSN 5305-01-286-7178 is a Setscrew, manufactured by Transicoil Llc Dba Ads Transicoil Div Transicoil, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-286-7178?

NSN 5305-01-286-7178 has 3 cross-referenced part numbers: VC-3 (Nd Industries Inc Div Nd Industries, Inc. - Michigan Division), 9A1898 (Transicoil Llc Dba Ads Transicoil Div Transicoil), 9H990-0250 (Transicoil Llc Dba Ads Transicoil Use CAGE Code 82686 for Cataloging Div Transicoil).

What NSN replaces 5305-01-286-7178?

There are 4 known substitutes for 5305-01-286-7178: 6850-00-163-5792, 6625-00-238-1250, 5120-00-246-4747 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9A1898?

Key specifications for 9A1898: Head Style: HEADLESS (SETSCREW); Nominal Thread Diameter: 0.086 INCHES IN; Fastener Length: 0.250 INCHES NOMINAL IN; Internal Drive Style: W/O INTERNAL DRIVE. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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