PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-187Screw,machine

Teledyne Industries Inc Teledyne Power Systems Div · NSN 5305-00-527-3463 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-527-3463 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-527-3463. Primary manufacturer part number: 2-187.
Features
  • Screw,machine — FSC 5305
  • Thread Length: 0.250 INCHES MINIMUM IN
  • Head Style: OVAL COUNTERSUNK
  • Countersink Angle: 90.0 DEGREES NOMINAL
  • Nominal Thread Diameter: 3.0 MILLIMETERS MM
  • Screw Material Document and Classification: 9-694,FSCM 77820 MFR REF SINGLE MATERIAL RESPONSE
  • Thread Class: 3A A
  • Head Diameter: 0.194 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-527-3463, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Power Systems Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-527-3463
Primary Part Number2-187
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Power Systems Div
StatusCANCELLED
Thread Length0.250 INCHES MINIMUM IN
Head StyleOVAL COUNTERSUNK
Countersink Angle90.0 DEGREES NOMINAL
Nominal Thread Diameter3.0 MILLIMETERS MM
Screw Material Document and Classification9-694,FSCM 77820 MFR REF SINGLE MATERIAL RESPONSE
Thread Class3A A
Head Diameter0.194 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Internal Drive StyleSLOT
Screw MaterialSTEEL
Fastener Length0.320 INCHES NOMINAL IN
Thread Series DesignatorLOWENHERZ
Thread Pitch in Millimeters0.50
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-178-63932187 INTERCHANGEABLE
Seal,plain Encased
Eaton Aerospace, Llc Dba Jackson South
5325-00-281-1557150-1 INTERCHANGEABLE
Grommet,nonmetallic
Dresser Industries Inc Leroi Div
6625-00-542-09912187 INTERCHANGEABLE
Case,electrical-Electronic Test
Entron Industries Limited Partnership Dba Entron Industries Property Div
5930-00-581-60281JRBA15 INTERCHANGEABLE
Switch,rotary
Naval Ship Systems Command
5950-00-648-27992187 INTERCHANGEABLE
Saturable Reactor
Precision Electronics, Inc
5360-00-941-373914210 INTERCHANGEABLE
Spring,helical,compression
Emcor Enclosures Llc
6240-00-949-81062140-0037 INTERCHANGEABLE
Lamp,incandescent
Keysight Technologies Inc
5905-01-129-73462187 INTERCHANGEABLE
Resistor
Avo Multi-Amp Corp
3825-01-198-92512187 INTERCHANGEABLE
Distributor,water,tank Type
Central Mfg Corp
5340-01-313-4020 INTERCHANGEABLE
Handle,manual Control
Cross-Reference Index
Part NumberManufacturer
2-187 Teledyne Industries Inc Teledyne Power Systems Div (USA)
2-187 Amphenol Corp Div Amphenol Aerospace Operations (USA)
2-187 Unison Industries Llc (USA)
10-81708 Teledyne Industries Inc Teledyne Power Systems Div (USA)
5326014 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
10-81708 Unison Industries Llc (USA)
10-81708 Amphenol Corp Div Amphenol Aerospace Operations (USA)
Related Parts
5330-00-178-6393INTERCHANGEABLE
SEAL,PLAIN ENCASED
2187
5325-00-281-1557INTERCHANGEABLE
GROMMET,NONMETALLIC
150-1
6625-00-542-0991INTERCHANGEABLE
CASE,ELECTRICAL-ELECTRONIC TEST
2187
5930-00-581-6028INTERCHANGEABLE
SWITCH,ROTARY
1JRBA15
5950-00-648-2799INTERCHANGEABLE
SATURABLE REACTOR
2187
5360-00-941-3739INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
14210
6240-00-949-8106INTERCHANGEABLE
LAMP,INCANDESCENT
2140-0037
5905-01-129-7346INTERCHANGEABLE
RESISTOR
2187
3825-01-198-9251INTERCHANGEABLE
DISTRIBUTOR,WATER,TANK TYPE
2187
5340-01-313-4020INTERCHANGEABLE
HANDLE,MANUAL CONTROL
6510-01-331-3341INTERCHANGEABLE
SPONGE,SURGICAL
2187G
4820-01-366-8034INTERCHANGEABLE
VALVE,INFLATION
2009

Frequently Asked Questions

What is NSN 5305-00-527-3463?

NSN 5305-00-527-3463 is a Screw,machine, manufactured by Teledyne Industries Inc Teledyne Power Systems Div, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-527-3463?

NSN 5305-00-527-3463 has 7 cross-referenced part numbers: 2-187 (Teledyne Industries Inc Teledyne Power Systems Div), 2-187 (Amphenol Corp Div Amphenol Aerospace Operations), 2-187 (Unison Industries Llc), 10-81708 (Teledyne Industries Inc Teledyne Power Systems Div), 5326014 (U S Army Tank Automotive Command Amsta-Im-Mm) and 2 more.

What NSN replaces 5305-00-527-3463?

There are 12 known substitutes for 5305-00-527-3463: 5330-00-178-6393, 5325-00-281-1557, 6625-00-542-0991 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-187?

Key specifications for 2-187: Thread Length: 0.250 INCHES MINIMUM IN; Head Style: OVAL COUNTERSUNK; Countersink Angle: 90.0 DEGREES NOMINAL; Nominal Thread Diameter: 3.0 MILLIMETERS MM. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-527-3463 still in active supply?

NSN 5305-00-527-3463 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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