General Characteristics Item Description: STEEL,1-9/16 IN. LG,1-1/16 IN. DIA,1/2 IN. SQ SOCKET ONE END,3/8 IN. SQ SOCKET OTHER END IN
Identification
NSN: 3441-00-806-2739
NIIN: 008062739
FSC: 3441 — Bending and Forming Machines
FSG: 34 — Metalworking Machinery (continued)
General Description
The Reducing Adapter, cataloged under National Stock Number 3441-00-806-2739, is classified within Federal Supply Class 3441 (Bending and Forming Machines) of the Metalworking Machinery (continued) 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
3441-00-806-2739
Item Name
Reducing Adapter
FSC / FSG
3441 / 34 — Bending and Forming Machines
Status
ACTIVE
General Characteristics Item Description
STEEL,1-9/16 IN. LG,1-1/16 IN. DIA,1/2 IN. SQ SOCKET ONE END,3/8 IN. SQ SOCKET OTHER END IN
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1680-01-149-825020098POSSIBLE MATCH
WEAPON PROGRAM UNIT
Possible match (shared part number)Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4920-01-299-027120098POSSIBLE MATCH
TEST PROGRAM SET
Possible match (shared part number)Textron Systems Corporation Dba Textron Systems Corp
6625-01-439-788420098POSSIBLE MATCH
CALIBRATOR SUBASSEMBLY
Possible match (shared part number)Hf Scientific Inc.
5360-01-486-797120098POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
19-660-362-00-012
5/9Secondary reference
U.S. Government activity
20098
3/9Design control — primary reference
Thomas C. Wilson, Inc. Dba Thomas C Wilson
Related Parts
1680-01-149-8250POSSIBLE MATCH
WEAPON PROGRAM UNIT
20098
4920-01-299-0271POSSIBLE MATCH
TEST PROGRAM SET
20098
6625-01-439-7884POSSIBLE MATCH
CALIBRATOR SUBASSEMBLY
20098
5360-01-486-7971POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
20098
Frequently Asked Questions
What is NSN 3441-00-806-2739?
NSN 3441-00-806-2739 is a Reducing Adapter, classified under FSC 3441, Bending and Forming Machines. Status: active.
What NSN replaces 3441-00-806-2739?
4 possible matches (shared part number, not a government interchangeability claim): 1680-01-149-8250, 4920-01-299-0271, 6625-01-439-7884. Verify interchangeability with system specifications before substitution.
What are the specifications of 3441-00-806-2739?
Key specifications for 3441-00-806-2739: General Characteristics Item Description: STEEL,1-9/16 IN. LG,1-1/16 IN. DIA,1/2 IN. SQ SOCKET ONE END,3/8 IN. SQ SOCKET OTHER END IN; End Item Identification: THOMAS C. WILSON,INC REVERSIBLE RACHET HANDLE. 1 specification is documented in the U.S. Government catalog.
Is NSN 3441-00-806-2739 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.