PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0.50013UNC2A2.500T1G400SEAScrew,cap,hexagon Head

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-01-502-7342 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-502-7342 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-502-7342. Primary manufacturer part number: 0.50013UNC2A2.500T1G400SEA.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Quantity Per Inch: 13
  • Head Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
  • Fastener Length: 2.500 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Width Between Flats: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-502-7342, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-502-7342
Primary Part Number0.50013UNC2A2.500T1G400SEA
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread Quantity Per Inch13
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Head Height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
Fastener Length2.500 INCHES NOMINAL IN
Nominal Thread Diameter0.500 INCHES IN
Width Between Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Thread Length1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-01-682-1665M1222RN8C240NANN INTERCHANGEABLE
Screw,cap,hexagon Head
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
0.50013UNC2A2.500T1G400SEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1222RN8C240NANN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-01-682-1665INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
M1222RN8C240NANN

Frequently Asked Questions

What is NSN 5305-01-502-7342?

NSN 5305-01-502-7342 is a Screw,cap,hexagon Head, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-502-7342?

NSN 5305-01-502-7342 has 3 cross-referenced part numbers: 0.50013UNC2A2.500T1G400SEA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1222RN8C240NANN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-1222J (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-01-502-7342?

There is 1 known substitute for 5305-01-502-7342: 5305-01-682-1665. Verify interchangeability with system specifications before substitution.

What are the specifications of 0.50013UNC2A2.500T1G400SEA?

Key specifications for 0.50013UNC2A2.500T1G400SEA: Thread Quantity Per Inch: 13; Head Style: HEXAGON; Thread Direction: RIGHT-HAND; End Item Identification: HARDWARE. 11 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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