PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-5001003 ITEM 156L1Screw,cap,socket Head

Naval Inventory Control Point Mechanicsburg · NSN 5305-01-642-3063 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-642-3063 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-642-3063. Primary manufacturer part number: 803-5001003 ITEM 156L1.
Features
  • Screw,cap,socket Head — FSC 5305
  • 10 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-642-3063, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. This item has 10 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScrew,cap,socket Head
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersNaval Inventory Control Point Mechanicsburg (CAGE 03950); Naval Sea Systems Command (CAGE 53711); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349)
Technical Specifications
ParameterValue
NSN5305-01-642-3063
Primary Part Number803-5001003 ITEM 156L1
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-01-292-3279 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-426-4431 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-428-6053 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-477-9035803-5001003-X8XX-156 INTERCHANGEABLE
Screw,cap,socket Head
Naval Sea Systems Command
5305-01-612-7015 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-620-5329 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-640-8796 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
803-5001003 ITEM 156L1 Naval Inventory Control Point Mechanicsburg (USA)
1/2-13UNRC-3A X 5 1/4NICUAL Naval Sea Systems Command (USA)
1/2-13UNRC-3A X 5 1/4NICUALL1 Naval Inventory Control Point Mechanicsburg (USA)
0.500-13UNRC-3AX5.25NICUAL Naval Sea Systems Command (USA)
803-5001003-X8XX-156L1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222 TYII GR500 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
803-5001003-X8XX-156 Naval Sea Systems Command (USA)
803-5001003 ITEM 156 Naval Sea Systems Command (USA)
MIL-DTL-1222 TYII GR500L1 Naval Inventory Control Point Mechanicsburg (USA)
0.500-13UNRC-3AX5.25NICUALL1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5305-01-292-3279INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-426-4431INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-428-6053INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-477-9035INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
803-5001003-X8XX-156
5305-01-612-7015INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-620-5329INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-640-8796INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD

Frequently Asked Questions

What is NSN 5305-01-642-3063?

NSN 5305-01-642-3063 is a Screw,cap,socket Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-642-3063?

NSN 5305-01-642-3063 has 10 cross-referenced part numbers: 803-5001003 ITEM 156L1 (Naval Inventory Control Point Mechanicsburg), 1/2-13UNRC-3A X 5 1/4NICUAL (Naval Sea Systems Command), 1/2-13UNRC-3A X 5 1/4NICUALL1 (Naval Inventory Control Point Mechanicsburg), 0.500-13UNRC-3AX5.25NICUAL (Naval Sea Systems Command), 803-5001003-X8XX-156L1 (Naval Inventory Control Point Mechanicsburg) and 5 more.

What NSN replaces 5305-01-642-3063?

There are 7 known substitutes for 5305-01-642-3063: 5305-01-292-3279, 5305-01-426-4431, 5305-01-428-6053 and 4 more. Verify interchangeability with system specifications before substitution.

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