PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

830530Screw,cap,hexagon Head

Naval Sea Systems Command · NSN 5305-00-208-8402 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-208-8402 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-208-8402. Primary manufacturer part number: 830530.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Height: 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: 2 TYPE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Departure From Cited Designator: AS MODIFIED BY MATERIAL
  • Material: NICKEL ALLOY OVERALL
  • Width Between Flats: 0.906 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-208-8402, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-208-8402
Primary Part Number830530
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Head Height0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
Nondefinitive Spec/std Data2 TYPE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Departure From Cited DesignatorAS MODIFIED BY MATERIAL
MaterialNICKEL ALLOY OVERALL
Width Between Flats0.906 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Nominal Thread Diameter0.625 INCHES IN
Thread Quantity Per Inch11
Thread Class3A A
Fastener Length0.750 INCHES NOMINAL IN
Thread Length0.750 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-352-2465830530 INTERCHANGEABLE
Brake Shoe
Garwood/feller Inc Garwood Winch Div
5950-01-069-9395 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
830530 PRIMARY Naval Sea Systems Command (USA)
MILB857 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
QQ-A-630 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
830530 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MIL-DTL-1222J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
2530-00-352-2465INTERCHANGEABLE
BRAKE SHOE
830530
5950-01-069-9395INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5305-00-208-8402?

NSN 5305-00-208-8402 is a Screw,cap,hexagon Head, manufactured by Naval Sea Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-208-8402?

NSN 5305-00-208-8402 has 5 cross-referenced part numbers: 830530 (Naval Sea Systems Command), MILB857 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), QQ-A-630 (Federal Specifications Promulgated by General Services Administration Washington DC), 830530 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MIL-DTL-1222J (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-208-8402?

There are 2 known substitutes for 5305-00-208-8402: 2530-00-352-2465, 5950-01-069-9395. Verify interchangeability with system specifications before substitution.

What are the specifications of 830530?

Key specifications for 830530: Head Height: 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 2 TYPE; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Departure From Cited Designator: AS MODIFIED BY MATERIAL. 13 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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