PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23044Screw,cap,socket Head

Fastenal Company Dba Fastenel Co · NSN 5305-01-671-5666 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-671-5666 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-671-5666. Primary manufacturer part number: 23044.
Features
  • Screw,cap,socket Head — FSC 5305
  • Color: BLACK OVERALL
  • Head Diameter: 0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Internal Drive Style: HEXAGON
  • Thread Quantity Per Inch: 40
  • Thread Length: 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Head Style: FLAT FILLISTER
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-671-5666, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenel Co. Government technical data includes 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-671-5666
Primary Part Number23044
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenel Co
StatusACTIVE
ColorBLACK OVERALL
Head Diameter0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Internal Drive StyleHEXAGON
Thread Quantity Per Inch40
Thread Length0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Head StyleFLAT FILLISTER
Nominal Thread Diameter0.112 INCHES IN
Width Across Flats0.0937 INCHES MINIMUM AND 0.0952 INCHES MAXIMUM IN
Fastener Length0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread Class3A A
Head Height0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNRC
Surface TreatmentOXIDE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-054-665277A3613-28 INTERCHANGEABLE
Screw,machine
Gentex Corporation
2915-00-157-14535389944 INTERCHANGEABLE
Terminal,locking
Consumers' Aircraft Company Inc
3130-00-242-005623044 INTERCHANGEABLE
Bearing Unit,roller
Skf (uk) Ltd
5945-00-295-410023044 INTERCHANGEABLE
Solenoid,electrical
Meggitt North Hollywood Inc
5330-00-585-8040800-530-1/4 INTERCHANGEABLE
Packing with Retainer
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
1650-00-758-7983 INTERCHANGEABLE
Cap,linear Actuating Cylinder
4920-00-783-7044 INTERCHANGEABLE
Tester Assembly,compression
3110-00-853-928723044EMW33;D1 INTERCHANGEABLE
Bearing,roller,self-Aligning
Timken Co Div the Timken Company
5342-01-113-460323044 INTERCHANGEABLE
Cap Snap on
Itt Schadow Inc
5305-01-140-2487PWA16020-2 INTERCHANGEABLE
Screw,cap,socket Head
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
23044 PRIMARY Fastenal Company Dba Fastenel Co (USA)
Related Parts
5305-00-054-6652INTERCHANGEABLE
SCREW,MACHINE
77A3613-28
2915-00-157-1453INTERCHANGEABLE
TERMINAL,LOCKING
5389944
3130-00-242-0056INTERCHANGEABLE
BEARING UNIT,ROLLER
23044
5945-00-295-4100INTERCHANGEABLE
SOLENOID,ELECTRICAL
23044
5330-00-585-8040INTERCHANGEABLE
PACKING WITH RETAINER
800-530-1/4
1650-00-758-7983INTERCHANGEABLE
CAP,LINEAR ACTUATING CYLINDER
4920-00-783-7044INTERCHANGEABLE
TESTER ASSEMBLY,COMPRESSION
3110-00-853-9287INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
23044EMW33;D1
5342-01-113-4603INTERCHANGEABLE
CAP SNAP ON
23044
5305-01-140-2487INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
PWA16020-2
2530-01-383-5343INTERCHANGEABLE
AXLE,VEHICULAR,NONDRIVING
23044-100
5985-01-568-5409INTERCHANGEABLE
REFLECTOR,ANTENNA
23044

Frequently Asked Questions

What is NSN 5305-01-671-5666?

NSN 5305-01-671-5666 is a Screw,cap,socket Head, manufactured by Fastenal Company Dba Fastenel Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-671-5666?

NSN 5305-01-671-5666 has 1 cross-referenced part number: 23044 (Fastenal Company Dba Fastenel Co).

What NSN replaces 5305-01-671-5666?

There are 12 known substitutes for 5305-01-671-5666: 5305-00-054-6652, 2915-00-157-1453, 3130-00-242-0056 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23044?

Key specifications for 23044: Color: BLACK OVERALL; End Item Identification: 01-579-6850; Head Diameter: 0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 16 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