The Shackle, cataloged under National Stock Number 4030-00-179-7403, is classified within Federal Supply Class 4030 (Fittings for Rope, Cable, and Chain) of the Rope, Cable, Chain, and Fittings group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4030-00-179-7403
Item Name
Shackle
FSC / FSG
4030 / 40 — Fittings for Rope, Cable, and Chain
Status
ACTIVE
Style Designator
WIRE ROPE
Eyelet Style
ROUND PLAIN
Surface Treatment
PASSIVATE
Material
STEEL CORROSION RESISTING
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 Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4030-00-763-4160POSSIBLE MATCH
SHACKLE
Possible match (shared part number)
4030-00-840-0103POSSIBLE MATCH
SHACKLE
Possible match (shared part number)
4030-00-851-2218POSSIBLE MATCH
SHACKLE
Possible match (shared part number)
4030-00-852-6408POSSIBLE MATCH
SHACKLE
Possible match (shared part number)
4030-00-916-8342POSSIBLE MATCH
SHACKLE
Possible match (shared part number)
4030-00-959-6235POSSIBLE MATCH
SHACKLE
Possible match (shared part number)
4030-01-184-6030POSSIBLE MATCH
SHACKLE
Possible match (shared part number)
4030-01-185-3747POSSIBLE MATCH
SHACKLE
Possible match (shared part number)
4030-01-255-0300POSSIBLE MATCH
SHACKLE
Possible match (shared part number)
4030-01-255-0301POSSIBLE MATCH
SHACKLE
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MS20115-5
2/2Government specification standardization
U.S. Government activity
MIL-DTL-5675
4/1Identification reference
U.S. Government activity
Related Parts
4030-00-763-4160POSSIBLE MATCH
SHACKLE
4030-00-840-0103POSSIBLE MATCH
SHACKLE
4030-00-851-2218POSSIBLE MATCH
SHACKLE
4030-00-852-6408POSSIBLE MATCH
SHACKLE
4030-00-916-8342POSSIBLE MATCH
SHACKLE
4030-00-959-6235POSSIBLE MATCH
SHACKLE
4030-01-184-6030POSSIBLE MATCH
SHACKLE
4030-01-185-3747POSSIBLE MATCH
SHACKLE
4030-01-255-0300POSSIBLE MATCH
SHACKLE
4030-01-255-0301POSSIBLE MATCH
SHACKLE
Frequently Asked Questions
What is NSN 4030-00-179-7403?
NSN 4030-00-179-7403 is a Shackle, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
What NSN replaces 4030-00-179-7403?
10 possible matches (shared part number, not a government interchangeability claim): 4030-00-763-4160, 4030-00-840-0103, 4030-00-851-2218. Verify interchangeability with system specifications before substitution.
What are the specifications of 4030-00-179-7403?
Key specifications for 4030-00-179-7403: Style Designator: WIRE ROPE; Eyelet Style: ROUND PLAIN; Surface Treatment: PASSIVATE; Part Name Assigned by Controlling Agency: SHACKLE,WIRE ROPE. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4030-00-179-7403 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.