The Stopper Assembly,chain, cataloged under National Stock Number 2040-00-190-6909, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-00-190-6909 |
| Item Name | Stopper Assembly,chain |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Status | ACTIVE |
| Stud Link Chain Size for Which Designed | 3.500 INCHES NOMINAL IN |
| Stud Link Chain Size for Which Designed | 3.375 INCHES NOMINAL IN |
| Adjustment Wrench | NOT INCLUDED |
| Turnbuckle Locking Plate | NOT INCLUDED |
| Takeup | 15.750 INCHES MAXIMUM IN |
| Component and Quantity | HOOK,PELICAN 1,LINKS,DETACHABLE 3,SHACKLE,SCREW PIN 1,TURNBUCKLE |
| Minimum Length Between Shackle Pin Centerline and Pelican Hook Centerline | 107.438 INCHES IN |
| Maximum Length Between Shackle Pin Centerline and Pelican Hook Centerline | 123.188 INCHES IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY STUD LINK CHAIN SIZE FOR WHICH DESIGNED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| S2605-860000 | 3/1 Design control — primary reference U.S. Government activity |
NSN 2040-00-190-6909 is a Stopper Assembly,chain, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2040-00-584-9461. Verify interchangeability with system specifications before substitution.
Key specifications for 2040-00-190-6909: Stud Link Chain Size for Which Designed: 3.500 INCHES NOMINAL IN; Stud Link Chain Size for Which Designed: 3.375 INCHES NOMINAL IN; Adjustment Wrench: NOT INCLUDED; Turnbuckle Locking Plate: NOT INCLUDED. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.