NSN 3950-01-143-1855 · NIIN 011431855 · Part number 74D751075-2031
The Boeing Company Div Defense · FSC 3950 — Winches, Hoists, Cranes, and Derricks · FSG 39 — Materials Handling Equipment · CAGE 76301
Government record, cited
NSN 3950-01-143-1855 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-143-1855. Manufacturer of record part number: 74D751075-2031.
Also searched as3950-01-143-1855 ·
3950011431855 ·
NIIN 011431855 ·
01-143-1855 ·
FSC 3950 Winches, Hoists, Cranes, and Derricks · CAGE 76301 · 74D751075-2031
General Characteristics Item Description: STEEL PER MIL-S-6758,4130,COND D; 1.000 IN. O/A LG; HEX. HEAD 0.375 IN. W ACROSS FLATS; 0.156 IN. SPHERICAL RADIUS TOP OF HEAD; THD SHANK 1/4-28 UNJF-3A THD A
1 manufacturer part number on file
Manufacturer of record: The Boeing Company Div Defense
Identification
NSN: 3950-01-143-1855
NIIN: 011431855
FSC: 3950 — Winches, Hoists, Cranes, and Derricks
FSG: 39 — Materials Handling Equipment
Primary part number: 74D751075-2031
Manufacturer: The Boeing Company Div Defense
General Description
The Pivot,adapter Assembly, cataloged under National Stock Number 3950-01-143-1855, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3950-01-143-1855
Primary Part Number
74D751075-2031
Item Name
Pivot,adapter Assembly
FSC / FSG
3950 / 39 — Winches, Hoists, Cranes, and Derricks
Manufacturer
The Boeing Company Div Defense
Status
ACTIVE
General Characteristics Item Description
STEEL PER MIL-S-6758,4130,COND D; 1.000 IN. O/A LG; HEX. HEAD 0.375 IN. W ACROSS FLATS; 0.156 IN. SPHERICAL RADIUS TOP OF HEAD; THD SHANK 1/4-28 UNJF-3A THD A
Other items in FSC 3950 — Winches, Hoists, Cranes, and Derricks
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3950-00-001-1249
LINING,FRICTION
3950-00-001-3984
3950-00-001-3984 · Item name not on file
3950-00-001-6303
3950-00-001-6303 · Item name not on file
3950-00-001-6304
3950-00-001-6304 · Item name not on file
3950-00-001-6312
3950-00-001-6312 · Item name not on file
3950-00-001-6313
HOIST,TRUCK
3950-00-001-7831
3950-00-001-7831 · Item name not on file
3950-00-001-7834
COOLING COIL,WINCH
Frequently Asked Questions
What is NSN 3950-01-143-1855?
NSN 3950-01-143-1855 is a Pivot,adapter Assembly, manufactured by The Boeing Company Div Defense, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
What part numbers are listed for NSN 3950-01-143-1855?
NSN 3950-01-143-1855 has 1 manufacturer part number on file: 74D751075-2031 (The Boeing Company Div Defense).
What are the specifications of 74D751075-2031?
Key specifications for 74D751075-2031: General Characteristics Item Description: STEEL PER MIL-S-6758,4130,COND D; 1.000 IN. O/A LG; HEX. HEAD 0.375 IN. W ACROSS FLATS; 0.156 IN. SPHERICAL RADIUS TOP OF HEAD; THD SHANK 1/4-28 UNJF-3A THD A. 1 specification is documented in the U.S. Government catalog.
Is NSN 3950-01-143-1855 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.