The Shackle, cataloged under National Stock Number 4030-00-164-6682, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-00-164-6682 |
| Primary Part Number | S2603-860341 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Style Designator | CHAIN |
| Closure Head Style | OVAL COUNTERSINK |
| Features Provided | FORELOCK PINHOLE |
| Closure Head Style | OVAL COUNTERSINK |
| Style Designator | CHAIN |
| Locking Device Type | TAPER PIN W/LEAD PLUG |
| Material Diameter | 4.000 INCHES NOMINAL IN |
| Features Provided | FORELOCK PINHOLE |
| Material | STEEL |
| Inside Length | 9.875 INCHES NOMINAL IN |
| Material Diameter | 4.000 INCHES NOMINAL IN |
| Material | STEEL |
| Opening Width | 5.250 INCHES NOMINAL IN |
| Locking Device Type | TAPER PIN W/LEAD PLUG |
| End Condition | PLAIN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S2603-860341 | Naval Ship Systems Command (USA) |
| 9197 | Boston Naval Shipyard (USA) |
| MILW82099 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4030-00-164-6682 is a Shackle, manufactured by Naval Ship Systems Command, classified under FSC 4030 (No Item Name Available). Status: active.
NSN 4030-00-164-6682 has 3 cross-referenced part numbers: S2603-860341 (Naval Ship Systems Command), 9197 (Boston Naval Shipyard), MILW82099 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 4030-00-164-6682: 3040-00-069-9427, 5905-00-076-5679, 4010-00-149-5615 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for S2603-860341: Special Features: 5.625 IN. BY 4.500 IN. PEAR SHAPED CLOSURE PIN IN; Style Designator: CHAIN; Closure Head Style: OVAL COUNTERSINK; Features Provided: FORELOCK PINHOLE. 17 total characteristics are documented in the Federal Logistics Information System.