PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4491143-65SQScrew,cap,socket Head

Naval Inventory Control Point Mechanicsburg · NSN 5305-01-537-6094 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-537-6094 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-537-6094. Primary manufacturer part number: 4491143-65SQ.
Features
  • Screw,cap,socket Head — FSC 5305
  • Reference Number Differentiating Characteristics: QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION
  • Criticality Code Justification: ZZZY
  • 5 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 5305-01-537-6094, 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. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, 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
NSN5305-01-537-6094
Primary Part Number4491143-65SQ
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Reference Number Differentiating CharacteristicsQUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-01-548-79087094234-4 INTERCHANGEABLE
Screw,cap,socket Head
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
4491143-65SQ Naval Inventory Control Point Mechanicsburg (USA)
4491143-65 Bek, Inc. Dba Level 1 Fasteners (USA)
4491143-65 Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance (USA)
4491143-65 Fitzhugh Clifton Dba Hyperox Technologies (USA)
4491143-65 Scandia Manufacturing Co., Inc. (USA)
Related Parts
5305-01-548-7908INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
7094234-4

Frequently Asked Questions

What is NSN 5305-01-537-6094?

NSN 5305-01-537-6094 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 5305-01-537-6094?

NSN 5305-01-537-6094 has 5 cross-referenced part numbers: 4491143-65SQ (Naval Inventory Control Point Mechanicsburg), 4491143-65 (Bek, Inc. Dba Level 1 Fasteners), 4491143-65 (Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance), 4491143-65 (Fitzhugh Clifton Dba Hyperox Technologies), 4491143-65 (Scandia Manufacturing Co., Inc.).

What NSN replaces 5305-01-537-6094?

There is 1 known substitute for 5305-01-537-6094: 5305-01-548-7908. Verify interchangeability with system specifications before substitution.

What are the specifications of 4491143-65SQ?

Key specifications for 4491143-65SQ: Reference Number Differentiating Characteristics: QUALITY ASSURANCE TESTED FOR SUBMARINE ANTENNA APPLICATION; End Item Identification: MAST ANTENNA SYSTEM ANBRA34; Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: MAST FAIRING ASSEMBLY (DRAWING NAME). 4 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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