PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-1166Screw,machine

Eastern Air Devices Inc Dba Ead Motors · NSN 5305-00-891-4179 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-891-4179 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-891-4179. Primary manufacturer part number: 1-1166.
Features
  • Screw,machine — FSC 5305
  • Fastener Length: 0.313 INCHES NOMINAL IN
  • Internal Drive Style: SLOT
  • Thread Length: 0.266 INCHES MINIMUM IN
  • Screw Material: STEEL
  • Head Style: FLAT CHAMFER
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • 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 5305-00-891-4179, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eastern Air Devices Inc Dba Ead Motors. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-891-4179
Primary Part Number1-1166
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerEastern Air Devices Inc Dba Ead Motors
StatusACTIVE
Fastener Length0.313 INCHES NOMINAL IN
Internal Drive StyleSLOT
Thread Length0.266 INCHES MINIMUM IN
Screw MaterialSTEEL
Head StyleFLAT CHAMFER
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Screw Surface TreatmentNICKEL
Head Height0.135 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Thread DirectionLEFT-HAND
Head Diameter0.313 INCHES NOMINAL IN
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-158-60131228Z52 INTERCHANGEABLE
Bearing,roller,cylindrical
Meritor Industrial Products, Llc
5340-00-290-07598176389 INTERCHANGEABLE
Clamp,loop
Us Army Aviation and Missile Command
1630-01-173-572411166 INTERCHANGEABLE
Cap,valve,brake
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4320-01-190-9129CA8079-15 INCONEL 625 INTERCHANGEABLE
Sleeve,shaft,pump
Air & Liquid Systems Corporation Dba Buffalo Pumps
6150-01-302-829911166-050 INTERCHANGEABLE
Cable Assembly,power,electrical
Monroe Integro, Llc
6650-01-572-744713104060 INTERCHANGEABLE
Stand,illuminated,refractometer
Reichert Inc Dba Reichert Inc
5331-01-687-397011166 INTERCHANGEABLE
O-Ring
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
1-1166 Eastern Air Devices Inc Dba Ead Motors (USA)
Related Parts
3110-00-158-6013INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
1228Z52
5340-00-290-0759INTERCHANGEABLE
CLAMP,LOOP
8176389
1630-01-173-5724INTERCHANGEABLE
CAP,VALVE,BRAKE
11166
4320-01-190-9129INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
CA8079-15 INCONEL 625
6150-01-302-8299INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
11166-050
6650-01-572-7447INTERCHANGEABLE
STAND,ILLUMINATED,REFRACTOMETER
13104060
5331-01-687-3970INTERCHANGEABLE
O-RING
11166

Frequently Asked Questions

What is NSN 5305-00-891-4179?

NSN 5305-00-891-4179 is a Screw,machine, manufactured by Eastern Air Devices Inc Dba Ead Motors, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-891-4179?

NSN 5305-00-891-4179 has 1 cross-referenced part number: 1-1166 (Eastern Air Devices Inc Dba Ead Motors).

What NSN replaces 5305-00-891-4179?

There are 7 known substitutes for 5305-00-891-4179: 3110-00-158-6013, 5340-00-290-0759, 1630-01-173-5724 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-1166?

Key specifications for 1-1166: Fastener Length: 0.313 INCHES NOMINAL IN; Internal Drive Style: SLOT; Thread Length: 0.266 INCHES MINIMUM IN; Screw Material: STEEL. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com