PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S2605-921734PC1T03Shackle

Naval Ship Systems Command · NSN 4030-00-286-2680 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-00-286-2680 — this item is cataloged by the U.S. Government under National Stock Number 4030-00-286-2680. Primary manufacturer part number: S2605-921734PC1T03.
Features
  • Shackle — FSC 4030
  • Locking Device Type: COTTER PIN
  • Nondefinitive Spec/std Data: 1 TABLE AND 3 GROUP
  • End Condition: PLAIN
  • Style Designator: TRIANGLE
  • Material: STEEL
  • Breaking Strength: 750000.0 BELT GROUP 1
  • Closure Head Style: OVAL COUNTERSINK
Applications
  • Applications requiring Steel construction
General Description

The Shackle, cataloged under National Stock Number 4030-00-286-2680, 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 11 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4030-00-286-2680
Primary Part NumberS2605-921734PC1T03
Item NameShackle
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Locking Device TypeCOTTER PIN
Nondefinitive Spec/std Data1 TABLE AND 3 GROUP
End ConditionPLAIN
Style DesignatorTRIANGLE
MaterialSTEEL
Breaking Strength750000.0 BELT GROUP 1
Closure Head StyleOVAL COUNTERSINK
Features ProvidedFORELOCK PINHOLE
Inside Length14.500 INCHES NOMINAL IN
Opening Width7.000 INCHES NOMINAL IN
Material Diameter4.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4010-00-149-5615 INTERCHANGEABLE
Chain,stud Link
4030-00-164-6682 INTERCHANGEABLE
Shackle
4030-00-263-8903 INTERCHANGEABLE
Swivel,eye and Link
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
4030-00-286-2674 INTERCHANGEABLE
Shackle
4030-00-286-2676 INTERCHANGEABLE
Shackle
4030-00-286-2677 INTERCHANGEABLE
Shackle
4030-00-286-2678 INTERCHANGEABLE
Shackle
4030-00-286-2679 INTERCHANGEABLE
Shackle
Cross-Reference Index
Part NumberManufacturer
S2605-921734PC1T03 PRIMARY 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
4030-00-263-8903INTERCHANGEABLE
SWIVEL,EYE AND LINK
4030-00-266-7421INTERCHANGEABLE
HOOK,PELICAN
804-860234 PC2-5&16
4010-00-282-2545INTERCHANGEABLE
CHAIN ASSEMBLY,SINGLE LEG
4010-1
4030-00-286-2674INTERCHANGEABLE
SHACKLE
4030-00-286-2676INTERCHANGEABLE
SHACKLE
4030-00-286-2677INTERCHANGEABLE
SHACKLE
4030-00-286-2678INTERCHANGEABLE
SHACKLE
4030-00-286-2679INTERCHANGEABLE
SHACKLE
4030-00-286-2682INTERCHANGEABLE
SHACKLE
4030-00-286-2683INTERCHANGEABLE
SHACKLE

Frequently Asked Questions

What is NSN 4030-00-286-2680?

NSN 4030-00-286-2680 is a Shackle, manufactured by Naval Ship Systems Command, classified under FSC 4030 (No Item Name Available). Status: active.

What are the part numbers for NSN 4030-00-286-2680?

NSN 4030-00-286-2680 has 2 cross-referenced part numbers: S2605-921734PC1T03 (Naval Ship Systems Command), MILW82099 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4030-00-286-2680?

There are 12 known substitutes for 4030-00-286-2680: 4010-00-149-5615, 4030-00-164-6682, 4030-00-263-8903 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S2605-921734PC1T03?

Key specifications for S2605-921734PC1T03: Locking Device Type: COTTER PIN; Nondefinitive Spec/std Data: 1 TABLE AND 3 GROUP; End Condition: PLAIN; Style Designator: TRIANGLE. 12 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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