PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS15237C3-6Screw,close Tolerance

Howmet Global Fastening Systems Inc · NSN 5305-00-343-0947 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-343-0947 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-343-0947. Primary manufacturer part number: LS15237C3-6.
Features
  • Screw,close Tolerance — FSC 5305
  • Fastener Length: 0.703 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN
  • Minimum Tensile Strength: 160000 POUNDS PER SQUARE INCH LBS
  • Thread Length: 0.318 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN
  • Thread Class: 3A A
  • 8 verified cross-references
  • Primary manufacturer: Howmet Global Fastening Systems Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,close Tolerance, cataloged under National Stock Number 5305-00-343-0947, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 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
NSN5305-00-343-0947
Primary Part NumberLS15237C3-6
Item NameScrew,close Tolerance
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc
StatusACTIVE
Fastener Length0.703 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN
Minimum Tensile Strength160000 POUNDS PER SQUARE INCH LBS
Thread Length0.318 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5306-00-144-3704 INTERCHANGEABLE
Bolt,machine
5306-01-497-8315AN4-5 INTERCHANGEABLE
Bolt,machine
Rolls Royce Corp
Cross-Reference Index
Part NumberManufacturer
LS15237C3-6 PRIMARY Howmet Global Fastening Systems Inc (USA)
LS15237C3-6 PRIMARY Hi-Shear Corporation (USA)
LS15237C3-6 PRIMARY Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN)
LS15237C3-6 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
LS15237C3-6 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
LS15237C3-6 Lockheed Martin Corp (USA)
LS15237C3-6 PRIMARY Huck International, Inc (USA)
AN4-5 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5306-00-144-3704INTERCHANGEABLE
BOLT,MACHINE
5306-01-497-8315INTERCHANGEABLE
BOLT,MACHINE
AN4-5

Frequently Asked Questions

What is NSN 5305-00-343-0947?

NSN 5305-00-343-0947 is a Screw,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-343-0947?

NSN 5305-00-343-0947 has 8 cross-referenced part numbers: LS15237C3-6 (Howmet Global Fastening Systems Inc), LS15237C3-6 (Hi-Shear Corporation), LS15237C3-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), LS15237C3-6 (Howmet Global Fastening Systems Inc Div Torrance Operations), LS15237C3-6 (Sps Technologies, Llc Dba PB Fasteners) and 3 more.

What NSN replaces 5305-00-343-0947?

There are 2 known substitutes for 5305-00-343-0947: 5306-00-144-3704, 5306-01-497-8315. Verify interchangeability with system specifications before substitution.

What are the specifications of LS15237C3-6?

Key specifications for LS15237C3-6: Fastener Length: 0.703 INCHES MINIMUM AND 0.733 INCHES MAXIMUM IN; Minimum Tensile Strength: 160000 POUNDS PER SQUARE INCH LBS; Thread Length: 0.318 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN; Thread Class: 3A A. 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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