The Shackle, cataloged under National Stock Number 4030-00-164-6671, 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 Boston Naval Shipyard. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-00-164-6671 |
| Primary Part Number | 9186 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — No Item Name Available |
| Manufacturer | Boston Naval Shipyard |
| Status | ACTIVE |
| Style Designator | CHAIN |
| Material Diameter | 1.375 INCHES NOMINAL IN |
| Material | STEEL |
| Style Designator | CHAIN |
| Closure Head Style | OVAL COUNTERSINK |
| Features Provided | FORELOCK PINHOLE |
| Closure Head Style | OVAL COUNTERSINK |
| Material | STEEL |
| End Condition | PLAIN |
| Material Diameter | 1.375 INCHES NOMINAL IN |
| Locking Device Type | TAPER PIN W/LEAD PLUG |
| Features Provided | FORELOCK PINHOLE |
| Inside Length | 4.250 INCHES NOMINAL IN |
| Opening Width | 2.625 INCHES NOMINAL IN |
| Locking Device Type | TAPER PIN W/LEAD PLUG |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9186 | Boston Naval Shipyard (USA) |
| S2603-860341 | Naval Ship Systems Command (USA) |
NSN 4030-00-164-6671 is a Shackle, manufactured by Boston Naval Shipyard, classified under FSC 4030 (No Item Name Available). Status: active.
NSN 4030-00-164-6671 has 2 cross-referenced part numbers: 9186 (Boston Naval Shipyard), S2603-860341 (Naval Ship Systems Command).
There are 12 known substitutes for 4030-00-164-6671: 5133-00-189-9251, 4920-00-279-7085, 5120-00-424-5589 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9186: Style Designator: CHAIN; Material Diameter: 1.375 INCHES NOMINAL IN; Material: STEEL; Style Designator: CHAIN. 17 total characteristics are documented in the Federal Logistics Information System.