Stud Link Chain Size for Which Designed: 1.375 INCHES NOMINAL IN
Stud Link Chain Size for Which Designed: 1.500 INCHES NOMINAL IN
Adjustment Wrench: NOT INCLUDED
Turnbuckle Locking Plate: NOT INCLUDED
Takeup: 10.500 INCHES MAXIMUM IN
Component and Quantity: HOOK,PELICAN 1,LINKS,DETACHABLE 3,SHACKLE,SCREW PIN 1,TURNBUCKLE 1
Minimum Length Between Shackle Pin Centerline and Pelican Hook Centerline: 60.688 INCHES IN
Identification
NSN: 2040-00-190-6901
NIIN: 001906901
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
General Description
The Stopper Assembly,chain, cataloged under National Stock Number 2040-00-190-6901, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Minimum Length Between Shackle Pin Centerline and Pelican Hook Centerline
60.688 INCHES IN
Maximum Length Between Shackle Pin Centerline and Pelican Hook Centerline
71.188 INCHES IN
Reference Number Differentiating Characteristics
AS DIFFERENTIATED BY STUD LINK CHAIN SIZE FOR WHICH DESIGNED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2040-00-190-6902POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
Possible match (shared part number)
2040-00-190-6903POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
Possible match (shared part number)
2040-00-190-6904POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
Possible match (shared part number)
2040-00-190-6905POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
Possible match (shared part number)
2040-00-190-6906S2605-860000 2.75 X 2.75POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
Possible match (shared part number)Washington Chain & Supply, Inc. Dba Washington Chain & Supply
2040-00-190-6907POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
Possible match (shared part number)
2040-00-190-6908860000POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
Possible match (shared part number)Naval Ship Systems Command
2040-00-190-6909POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
Possible match (shared part number)
2040-00-584-9461POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
S2605-860000
3/1Design control — primary reference
U.S. Government activity
Related Parts
2040-00-190-6902POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
2040-00-190-6903POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
2040-00-190-6904POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
2040-00-190-6905POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
2040-00-190-6906POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
S2605-860000 2.75 X 2.75
2040-00-190-6907POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
2040-00-190-6908POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
860000
2040-00-190-6909POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
2040-00-584-9461POSSIBLE MATCH
STOPPER ASSEMBLY,CHAIN
Frequently Asked Questions
What is NSN 2040-00-190-6901?
NSN 2040-00-190-6901 is a Stopper Assembly,chain, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What NSN replaces 2040-00-190-6901?
9 possible matches (shared part number, not a government interchangeability claim): 2040-00-190-6902, 2040-00-190-6903, 2040-00-190-6904. Verify interchangeability with system specifications before substitution.
What are the specifications of 2040-00-190-6901?
Key specifications for 2040-00-190-6901: Stud Link Chain Size for Which Designed: 1.375 INCHES NOMINAL IN; Stud Link Chain Size for Which Designed: 1.500 INCHES NOMINAL IN; Adjustment Wrench: NOT INCLUDED; Turnbuckle Locking Plate: NOT INCLUDED. 9 specifications are documented in the U.S. Government catalog.
Is NSN 2040-00-190-6901 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.