PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73766Screw,cap,socket Head

Fastenal Company Dba Fastenal Co · NSN 5305-01-485-8822 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-485-8822 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-485-8822. Primary manufacturer part number: 73766.
Features
  • Screw,cap,socket Head — FSC 5305
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Series Designator: UNF
  • Thread Quantity Per Inch: 28
  • Width Across Flats: 0.156 INCHES NOMINAL IN
  • Fastener Length: 0.375 INCHES NOMINAL IN
  • Internal Drive Style: HEXAGON
  • Material: STEEL COMP 302 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-485-8822, 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 Fastenal Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-485-8822
Primary Part Number73766
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Nominal Thread Diameter0.250 INCHES IN
Thread Series DesignatorUNF
Thread Quantity Per Inch28
Width Across Flats0.156 INCHES NOMINAL IN
Fastener Length0.375 INCHES NOMINAL IN
Internal Drive StyleHEXAGON
MaterialSTEEL COMP 302 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2910-00-213-850773766 INTERCHANGEABLE
Sleeve,relief Valve
Honeywell International Inc. Div Aerospace - Torrance
5360-00-290-5443 INTERCHANGEABLE
Spring,helical,extension
4820-01-086-8703NL2111-1 INTERCHANGEABLE
Cup,locking
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
3450-01-133-1478 INTERCHANGEABLE
Cutter Feed Device
5310-01-369-940573766 INTERCHANGEABLE
Nut,plain,hexagon
Stewart & Stevenson Power Products Llc
Cross-Reference Index
Part NumberManufacturer
4806-036 Safran (FRA)
4806-036 Zf Industrieantriebe Witten Gmbh (DEU)
1/4-28X3/8UNF SS 18-8 Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc (USA)
1254022 Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc (USA)
4806-036 Safran Electronics & Defense (ex Aviac Technologies) (FRA)
73766 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
2910-00-213-8507INTERCHANGEABLE
SLEEVE,RELIEF VALVE
73766
5360-00-290-5443INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
4820-01-086-8703INTERCHANGEABLE
CUP,LOCKING
NL2111-1
3450-01-133-1478INTERCHANGEABLE
CUTTER FEED DEVICE
5310-01-369-9405INTERCHANGEABLE
NUT,PLAIN,HEXAGON
73766

Frequently Asked Questions

What is NSN 5305-01-485-8822?

NSN 5305-01-485-8822 is a Screw,cap,socket Head, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-485-8822?

NSN 5305-01-485-8822 has 6 cross-referenced part numbers: 4806-036 (Safran), 4806-036 (Zf Industrieantriebe Witten Gmbh), 1/4-28X3/8UNF SS 18-8 (Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc), 1254022 (Tacoma Screw Products, Inc. Dba Tacoma Screw Products Inc), 4806-036 (Safran Electronics & Defense (ex Aviac Technologies)) and 1 more.

What NSN replaces 5305-01-485-8822?

There are 5 known substitutes for 5305-01-485-8822: 2910-00-213-8507, 5360-00-290-5443, 4820-01-086-8703 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73766?

Key specifications for 73766: Nominal Thread Diameter: 0.250 INCHES IN; Thread Series Designator: UNF; Thread Quantity Per Inch: 28; Width Across Flats: 0.156 INCHES NOMINAL IN. 8 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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