The Adapter,hoisting, cataloged under National Stock Number 3940-01-420-9285, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
3940-01-420-9285
Item Name
Adapter,hoisting
FSC / FSG
3940 / 39 — Blocks, Tackle, Rigging, and Slings
Status
ACTIVE
Usage Design
WEAPONS SYSTEM COMPONENT
Material
STEEL
Attachment Method
BOLTED
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3940-01-421-03654D07385-001POSSIBLE MATCH
ADAPTER,HOISTING
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
3940-01-421-03674D07386-001POSSIBLE MATCH
ADAPTER,HOISTING
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
3940-01-421-03684D07385-002POSSIBLE MATCH
ADAPTER,HOISTING
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
3040-01-422-23044D07385-003POSSIBLE MATCH
GUIDE,ROTOR
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
3040-01-422-23064D07385-004POSSIBLE MATCH
GUIDE,ROTOR
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
3040-01-422-23104D07385-005POSSIBLE MATCH
GUIDE,ROTOR
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
4D07361-001
3/2Design control — primary reference
U.S. Government activity
1942E07
5/1Secondary reference
U.S. Government activity
4D07361-001
C/1Advisory reference — outside the item-of-supply concept
Northrop Grumman Systems Corporation
Related Parts
3940-01-421-0365POSSIBLE MATCH
ADAPTER,HOISTING
4D07385-001
3940-01-421-0367POSSIBLE MATCH
ADAPTER,HOISTING
4D07386-001
3940-01-421-0368POSSIBLE MATCH
ADAPTER,HOISTING
4D07385-002
3040-01-422-2304POSSIBLE MATCH
GUIDE,ROTOR
4D07385-003
3040-01-422-2306POSSIBLE MATCH
GUIDE,ROTOR
4D07385-004
3040-01-422-2310POSSIBLE MATCH
GUIDE,ROTOR
4D07385-005
Frequently Asked Questions
What is NSN 3940-01-420-9285?
NSN 3940-01-420-9285 is a Adapter,hoisting, classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
What NSN replaces 3940-01-420-9285?
6 possible matches (shared part number, not a government interchangeability claim): 3940-01-421-0365, 3940-01-421-0367, 3940-01-421-0368. Verify interchangeability with system specifications before substitution.
What are the specifications of 3940-01-420-9285?
Key specifications for 3940-01-420-9285: Usage Design: WEAPONS SYSTEM COMPONENT; Overall Length: 15.500 INCHES NOMINAL IN; Overall Width: 9.750 INCHES NOMINAL IN; End Item Identification: BEARING REMOVAL, LS JOURNAL BEARING. 3 specifications are documented in the U.S. Government catalog.
Is NSN 3940-01-420-9285 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.