PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

186622Screw,cap,hexagon Head

Rolls-Royce Solutions America Inc · NSN 5305-00-018-6622 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-018-6622 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-018-6622. Primary manufacturer part number: 186622.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Width Between Flats: 0.562 INCHES NOMINAL IN
  • Thread Length: 1.000 INCHES MINIMUM IN
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material Document and Classification: SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Diameter: 0.375 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-018-6622, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-018-6622
Primary Part Number186622
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRolls-Royce Solutions America Inc
StatusCANCELLED
Width Between Flats0.562 INCHES NOMINAL IN
Thread Length1.000 INCHES MINIMUM IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2 TYPE AND 10P STYLE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and ClassificationSAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter0.375 INCHES IN
Thread Quantity Per Inch16
Head Height0.234 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Fastener Length1.250 INCHES NOMINAL IN
Thread Class2A A
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5331-00-054-6880 INTERCHANGEABLE
O-Ring
5305-00-068-05112DD63 INTERCHANGEABLE
Screw,cap,hexagon Head
Oshkosh Defense Llc
5310-00-190-0764186622 INTERCHANGEABLE
Washer,flat
Airmotive Carburetor
1440-01-111-80515165519 INTERCHANGEABLE
Plate
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
186622 General Motors Llc Dba General Motors Llc (USA)
5165519 Rolls-Royce Solutions America Inc (USA)
186622 PRIMARY Rolls-Royce Solutions America Inc (USA)
5165519 General Motors Corp (USA)
5165519 General Motors Llc Dba General Motors Llc (USA)
186622 General Motors Corp (USA)
5305PL0950495 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5331-00-054-6880INTERCHANGEABLE
O-RING
5305-00-068-0511INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
2DD63
5310-00-190-0764INTERCHANGEABLE
WASHER,FLAT
186622
1440-01-111-8051INTERCHANGEABLE
PLATE
5165519

Frequently Asked Questions

What is NSN 5305-00-018-6622?

NSN 5305-00-018-6622 is a Screw,cap,hexagon Head, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-018-6622?

NSN 5305-00-018-6622 has 7 cross-referenced part numbers: 186622 (General Motors Llc Dba General Motors Llc), 5165519 (Rolls-Royce Solutions America Inc), 186622 (Rolls-Royce Solutions America Inc), 5165519 (General Motors Corp), 5165519 (General Motors Llc Dba General Motors Llc) and 2 more.

What NSN replaces 5305-00-018-6622?

There are 4 known substitutes for 5305-00-018-6622: 5331-00-054-6880, 5305-00-068-0511, 5310-00-190-0764 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 186622?

Key specifications for 186622: Width Between Flats: 0.562 INCHES NOMINAL IN; Thread Length: 1.000 INCHES MINIMUM IN; Material: STEEL OVERALL; Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-018-6622 still in active supply?

NSN 5305-00-018-6622 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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