PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S2603-860341Swivel,eye and Link

Naval Ship Systems Command · NSN 4030-00-263-8903 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-00-263-8903 — this item is cataloged by the U.S. Government under National Stock Number 4030-00-263-8903. Primary manufacturer part number: S2603-860341.
Features
  • Swivel,eye and Link — FSC 4030
  • Stock Diameter: 1.750 INCHES NOMINAL IN
  • Accommodated Material Diameter: 1.750 INCHES NOMINAL IN
  • Material: STEEL
  • Hole Diameter: 2.125 INCHES NOMINAL IN
  • Material Diameter: 1.750 INCHES NOMINAL IN
  • Style Designator: ROUND AND OVAL ENDS
  • Nondefinitive Spec/std Data: 1 TABLE AND 4 GROUP
Applications
  • Applications requiring Steel construction
General Description

The Swivel,eye and Link, cataloged under National Stock Number 4030-00-263-8903, is classified within Federal Supply Class 4030 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4030-00-263-8903
Primary Part NumberS2603-860341
Item NameSwivel,eye and Link
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Stock Diameter1.750 INCHES NOMINAL IN
Accommodated Material Diameter1.750 INCHES NOMINAL IN
MaterialSTEEL
Hole Diameter2.125 INCHES NOMINAL IN
Material Diameter1.750 INCHES NOMINAL IN
Style DesignatorROUND AND OVAL ENDS
Nondefinitive Spec/std Data1 TABLE AND 4 GROUP
Reach Length11.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4010-00-149-5615 INTERCHANGEABLE
Chain,stud Link
4030-00-164-6682 INTERCHANGEABLE
Shackle
4030-00-266-7421804-860234 PC2-5&16 INTERCHANGEABLE
Hook,pelican
Naval Ship Systems Command
4010-00-282-25454010-1 INTERCHANGEABLE
Chain Assembly,single Leg
Defense Logistics Agency Dba Defense Supply Center Philadelphia
4030-00-286-2680S2605-921734PC1T03 INTERCHANGEABLE
Shackle
Naval Ship Systems Command
4030-00-290-6584 INTERCHANGEABLE
Shackle
Cross-Reference Index
Part NumberManufacturer
S2603-860341 Naval Ship Systems Command (USA)
MILW82099 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4010-00-149-5615INTERCHANGEABLE
CHAIN,STUD LINK
4030-00-164-6682INTERCHANGEABLE
SHACKLE
4030-00-266-7421INTERCHANGEABLE
HOOK,PELICAN
804-860234 PC2-5&16
4010-00-282-2545INTERCHANGEABLE
CHAIN ASSEMBLY,SINGLE LEG
4010-1
4030-00-286-2680INTERCHANGEABLE
SHACKLE
S2605-921734PC1T03
4030-00-290-6584INTERCHANGEABLE
SHACKLE

Frequently Asked Questions

What is NSN 4030-00-263-8903?

NSN 4030-00-263-8903 is a Swivel,eye and Link, manufactured by Naval Ship Systems Command, classified under FSC 4030 (No Item Name Available). Status: active.

What are the part numbers for NSN 4030-00-263-8903?

NSN 4030-00-263-8903 has 2 cross-referenced part numbers: S2603-860341 (Naval Ship Systems Command), MILW82099 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4030-00-263-8903?

There are 6 known substitutes for 4030-00-263-8903: 4010-00-149-5615, 4030-00-164-6682, 4030-00-266-7421 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S2603-860341?

Key specifications for S2603-860341: Stock Diameter: 1.750 INCHES NOMINAL IN; Accommodated Material Diameter: 1.750 INCHES NOMINAL IN; Material: STEEL; Hole Diameter: 2.125 INCHES NOMINAL IN. 9 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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