PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80888Screw,cap,socket Head

Fastenal Company Div Bind · NSN 5305-01-425-2990 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-425-2990 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-425-2990. Primary manufacturer part number: 80888.
Features
  • Screw,cap,socket Head — FSC 5305
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Material: STEEL OVERALL
  • Material Document and Classification: HOLO-KROME, CAGE 49181 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Thread Series Designator: UNF
  • Fastener Length: 4.500 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 20
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-425-2990, 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 Div Bind. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-425-2990
Primary Part Number80888
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Div Bind
StatusACTIVE
Nominal Thread Diameter0.500 INCHES IN
MaterialSTEEL OVERALL
Material Document and ClassificationHOLO-KROME, CAGE 49181 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorUNF
Fastener Length4.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch20
Head StyleFLAT CHAMFER
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-298-463880888 INTERCHANGEABLE
Screw,machine
Goodrich Corporation Dba Goodrich Corp
3020-00-910-839480888 INTERCHANGEABLE
Gear,spur
Triumph Engine Control Systems Llc
4820-01-213-10338088-8 INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
Cross-Reference Index
Part NumberManufacturer
80888 PRIMARY Fastenal Company Div Bind (USA)
F1478 PRIMARY Tld Ace Corp Div Tld Ace (USA)
Related Parts
5305-00-298-4638INTERCHANGEABLE
SCREW,MACHINE
80888
3020-00-910-8394INTERCHANGEABLE
GEAR,SPUR
80888
4820-01-213-1033INTERCHANGEABLE
SEAT,VALVE
8088-8

Frequently Asked Questions

What is NSN 5305-01-425-2990?

NSN 5305-01-425-2990 is a Screw,cap,socket Head, manufactured by Fastenal Company Div Bind, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-425-2990?

NSN 5305-01-425-2990 has 2 cross-referenced part numbers: 80888 (Fastenal Company Div Bind), F1478 (Tld Ace Corp Div Tld Ace).

What NSN replaces 5305-01-425-2990?

There are 3 known substitutes for 5305-01-425-2990: 5305-00-298-4638, 3020-00-910-8394, 4820-01-213-1033. Verify interchangeability with system specifications before substitution.

What are the specifications of 80888?

Key specifications for 80888: Nominal Thread Diameter: 0.500 INCHES IN; Material: STEEL OVERALL; Material Document and Classification: HOLO-KROME, CAGE 49181 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Thread Series Designator: UNF. 9 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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