PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3805Screw,machine

Unison Industries Llc · NSN 5305-00-141-2814 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-141-2814 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-141-2814. Primary manufacturer part number: 3805.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Thread Quantity Per Inch: 32
  • Thread Length: 0.167 INCHES MINIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: FLAT COUNTERSUNK
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Internal Drive Style: SLOT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-141-2814, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unison Industries Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Active.

Technical Specifications
ParameterValue
NSN5305-00-141-2814
Primary Part Number3805
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUnison Industries Llc
StatusACTIVE
Thread Class2A A
Thread Quantity Per Inch32
Thread Length0.167 INCHES MINIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleFLAT COUNTERSUNK
Fastener Length0.250 INCHES NOMINAL IN
Internal Drive StyleSLOT
Thread DirectionRIGHT-HAND
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Screw Surface TreatmentNICKEL
Head Diameter0.257 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
Nominal Thread Diameter0.138 INCHES IN
Screw Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
Screw MaterialSTEEL COMP 1010
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6130-00-022-89873805 INTERCHANGEABLE
Power Supply
Emcore Corporation Div Concord Division
4820-00-070-69226GP80-5 INTERCHANGEABLE
Valve,globe
Hydrasearch Company, Llc
5305-00-150-9778 INTERCHANGEABLE
Screw,machine
5330-00-292-049210206 INTERCHANGEABLE
Seal,plain Encased
Garwood/feller Inc Garwood Winch Div
2990-00-618-1809T3805D INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
4820-01-039-5664380-5CP INTERCHANGEABLE
Valve,globe
Admiral Valve Llc Dba Cpv Manufacturing
7510-01-157-6921 INTERCHANGEABLE
Tape,embossing
5342-01-229-9566 INTERCHANGEABLE
Catch
4820-01-244-3537 INTERCHANGEABLE
Valve,globe
6530-01-356-30803805 INTERCHANGEABLE
Pad,bed Linen Protective
Hosposable Products Inc
Cross-Reference Index
Part NumberManufacturer
AN505-6-4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
3805 Unison Industries, Llc Dba Unison Industries Inc (USA)
3805 PRIMARY Unison Industries Llc (USA)
FFS92TYPE1STYLE2S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6130-00-022-8987INTERCHANGEABLE
POWER SUPPLY
3805
4820-00-070-6922INTERCHANGEABLE
VALVE,GLOBE
6GP80-5
5305-00-150-9778INTERCHANGEABLE
SCREW,MACHINE
5330-00-292-0492INTERCHANGEABLE
SEAL,PLAIN ENCASED
10206
2990-00-618-1809INTERCHANGEABLE
MUFFLER,EXHAUST
T3805D
4820-01-039-5664INTERCHANGEABLE
VALVE,GLOBE
380-5CP
7510-01-157-6921INTERCHANGEABLE
TAPE,EMBOSSING
5342-01-229-9566INTERCHANGEABLE
CATCH
4820-01-244-3537INTERCHANGEABLE
VALVE,GLOBE
6530-01-356-3080INTERCHANGEABLE
PAD,BED LINEN PROTECTIVE
3805
6625-01-511-7839INTERCHANGEABLE
TEST SET,INSULATION BREAKDOWN
4720-01-563-8114INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
3805

Frequently Asked Questions

What is NSN 5305-00-141-2814?

NSN 5305-00-141-2814 is a Screw,machine, manufactured by Unison Industries Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-141-2814?

NSN 5305-00-141-2814 has 4 cross-referenced part numbers: AN505-6-4 (Aeronautical Standards Group Dept of Navy and Air Force), 3805 (Unison Industries, Llc Dba Unison Industries Inc), 3805 (Unison Industries Llc), FFS92TYPE1STYLE2S (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-141-2814?

There are 12 known substitutes for 5305-00-141-2814: 6130-00-022-8987, 4820-00-070-6922, 5305-00-150-9778 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3805?

Key specifications for 3805: Thread Class: 2A A; Thread Quantity Per Inch: 32; Thread Length: 0.167 INCHES MINIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 14 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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