General Characteristics Item Description: STL,QQ-S-624
Identification
NSN: 3950-00-139-5539
NIIN: 001395539
FSC: 3950 — Winches, Hoists, Cranes, and Derricks
FSG: 39 — Materials Handling Equipment
General Description
The Sleeve,eccentric, cataloged under National Stock Number 3950-00-139-5539, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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
3950-00-139-5539
Item Name
Sleeve,eccentric
FSC / FSG
3950 / 39 — Winches, Hoists, Cranes, and Derricks
Status
ACTIVE
General Characteristics Item Description
STL,QQ-S-624
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-00-139-55411913575PC31POSSIBLE MATCH
SHAFT,STUB,UPPER PIVOT
Possible match (shared part number)Puget Sound Naval Shipyard and Intermediate Maintence Facility
3040-00-139-55491913575PC53POSSIBLE MATCH
SHAFT,SLIDING BLOCK
Possible match (shared part number)Puget Sound Naval Shipyard and Intermediate Maintence Facility
5315-00-139-55511913575PC100POSSIBLE MATCH
PIN,SLIDING BLOCK
Possible match (shared part number)Puget Sound Naval Shipyard and Intermediate Maintence Facility
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
1913575PC23
3/2Design control — primary reference
U.S. Government activity
1913575
D/9Drawing number reference only
U.S. Government activity
Related Parts
3040-00-139-5541POSSIBLE MATCH
SHAFT,STUB,UPPER PIVOT
1913575PC31
3040-00-139-5549POSSIBLE MATCH
SHAFT,SLIDING BLOCK
1913575PC53
5315-00-139-5551POSSIBLE MATCH
PIN,SLIDING BLOCK
1913575PC100
Frequently Asked Questions
What is NSN 3950-00-139-5539?
NSN 3950-00-139-5539 is a Sleeve,eccentric, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
What NSN replaces 3950-00-139-5539?
3 possible matches (shared part number, not a government interchangeability claim): 3040-00-139-5541, 3040-00-139-5549, 5315-00-139-5551. Verify interchangeability with system specifications before substitution.
What are the specifications of 3950-00-139-5539?
Key specifications for 3950-00-139-5539: General Characteristics Item Description: STL,QQ-S-624. 1 specification is documented in the U.S. Government catalog.
Is NSN 3950-00-139-5539 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.