The Shackle, cataloged under National Stock Number 4030-00-164-6670, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-00-164-6670 |
| Primary Part Number | S2603-860341 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| End Condition | PLAIN |
| Locking Device Type | TAPER PIN W/LEAD PLUG |
| Closure Head Style | OVAL COUNTERSINK |
| Material | STEEL |
| Material | STEEL |
| Material Diameter | 1.250 INCHES NOMINAL IN |
| Closure Head Style | OVAL COUNTERSINK |
| Features Provided | FORELOCK PINHOLE |
| Style Designator | CHAIN |
| Material Diameter | 1.250 INCHES NOMINAL IN |
| Style Designator | CHAIN |
| Opening Width | 2.375 INCHES NOMINAL IN |
| Inside Length | 3.875 INCHES NOMINAL IN |
| Features Provided | FORELOCK PINHOLE |
| Locking Device Type | TAPER PIN W/LEAD PLUG |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S2603-860341 | Naval Ship Systems Command (USA) |
| 9185 | Boston Naval Shipyard (USA) |
NSN 4030-00-164-6670 is a Shackle, manufactured by Naval Ship Systems Command, classified under FSC 4030 (No Item Name Available). Status: active.
NSN 4030-00-164-6670 has 2 cross-referenced part numbers: S2603-860341 (Naval Ship Systems Command), 9185 (Boston Naval Shipyard).
There are 10 known substitutes for 4030-00-164-6670: 3110-00-100-3130, 5133-00-189-9250, 5905-00-239-7020 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for S2603-860341: End Condition: PLAIN; Locking Device Type: TAPER PIN W/LEAD PLUG; Closure Head Style: OVAL COUNTERSINK; Material: STEEL. 17 total characteristics are documented in the Federal Logistics Information System.