PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27320Screw,machine

Fastenal Company Dba Fastenel Co · NSN 5305-01-666-4719 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-666-4719 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-666-4719. Primary manufacturer part number: 27320.
Features
  • Screw,machine — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Head Height: 0.095 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
  • Internal Drive Style: SLOT
  • Screw Material: STEEL
  • Fastener Length: 0.750 INCHES NOMINAL IN
  • Thread Class: 2A A
  • Extended Washer Thickness: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-666-4719, 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 14 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-666-4719
Primary Part Number27320
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenel Co
StatusACTIVE
Thread DirectionRIGHT-HAND
Head Height0.095 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Screw MaterialSTEEL
Fastener Length0.750 INCHES NOMINAL IN
Thread Class2A A
Extended Washer Thickness0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
Nominal Thread Diameter0.138 INCHES IN
Width Between Flats0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Extended Washer Diameter0.302 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Head StyleHEXAGON EXTENDED WASHER
Thread Length0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4320-00-103-566327320 INTERCHANGEABLE
Rod and Cap,pump
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5133-00-236-3416 INTERCHANGEABLE
Drill,twist
5945-00-636-8785613332 INTERCHANGEABLE
Relay,electromagnetic
Lockheed Martin Corp
6750-00-702-7317 INTERCHANGEABLE
Bleach,photographic
4720-01-224-5416532-5203068 ITEM 4 INTERCHANGEABLE
Tubing,nonmetallic
Naval Sea Systems Command
5320-01-509-9565273-20 INTERCHANGEABLE
Rivet,blind
Crane Carrier Company, Llc
2835-01-547-6320118-6976 INTERCHANGEABLE
Carrier,planetary Reduction Gear
Caterpillar Inc Div Caterpillar Defense
5340-01-649-475827320 INTERCHANGEABLE
Bracket,mounting
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
27320 PRIMARY Fastenal Company Dba Fastenel Co (USA)
Related Parts
4320-00-103-5663INTERCHANGEABLE
ROD AND CAP,PUMP
27320
5133-00-236-3416INTERCHANGEABLE
DRILL,TWIST
5945-00-636-8785INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
613332
6750-00-702-7317INTERCHANGEABLE
BLEACH,PHOTOGRAPHIC
4720-01-224-5416INTERCHANGEABLE
TUBING,NONMETALLIC
532-5203068 ITEM 4
5320-01-509-9565INTERCHANGEABLE
RIVET,BLIND
273-20
2835-01-547-6320INTERCHANGEABLE
CARRIER,PLANETARY REDUCTION GEAR
118-6976
5340-01-649-4758INTERCHANGEABLE
BRACKET,MOUNTING
27320

Frequently Asked Questions

What is NSN 5305-01-666-4719?

NSN 5305-01-666-4719 is a Screw,machine, manufactured by Fastenal Company Dba Fastenel Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-666-4719?

NSN 5305-01-666-4719 has 1 cross-referenced part number: 27320 (Fastenal Company Dba Fastenel Co).

What NSN replaces 5305-01-666-4719?

There are 8 known substitutes for 5305-01-666-4719: 4320-00-103-5663, 5133-00-236-3416, 5945-00-636-8785 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27320?

Key specifications for 27320: Thread Direction: RIGHT-HAND; Head Height: 0.095 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN; Internal Drive Style: SLOT; Screw Material: STEEL. 16 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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