NSN 3950-00-844-2209 — this item is cataloged by the U.S. Government under National Stock Number 3950-00-844-2209. Manufacturer of record part number: HM12-M.
Drum Flange Diameter and Location: 12.250 INCHES NOMINAL FIRST DRUM IN
Drum Surface Design: PLAIN
Braking Method: MANUAL
Mechanical Advantage Method: CRANK
Gear Mechanical Advantage: DOUBLE
Unable to Decode: UNABLE TO DECODE
Identification
NSN: 3950-00-844-2209
NIIN: 008442209
FSC: 3950 — Winches, Hoists, Cranes, and Derricks
FSG: 39 — Materials Handling Equipment
Primary part number: HM12-M
Manufacturer: Arcosa Marine Components, Llc
General Description
The Winch,drum,hand Operated, cataloged under National Stock Number 3950-00-844-2209, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Arcosa Marine Components, Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
3950-00-844-2209
Primary Part Number
HM12-M
Item Name
Winch,drum,hand Operated
FSC / FSG
3950 / 39 — Winches, Hoists, Cranes, and Derricks
Manufacturer
Arcosa Marine Components, Llc
Status
ACTIVE
Load Rating
10000.0 POUNDS MAXIMUM LBS
Drum Flange Diameter and Location
12.250 INCHES NOMINAL FIRST DRUM IN
Drum Surface Design
PLAIN
Braking Method
MANUAL
Mechanical Advantage Method
CRANK
Gear Mechanical Advantage
DOUBLE
Unable to Decode
UNABLE TO DECODE
Operation Method
HAND
Drum Diameter and Location
5.000 INCHES NOMINAL FIRST DRUM 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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-01-007-1701HM-12CPOSSIBLE MATCH
BEARING,PLAIN,ROD END
Possible match (shared part number)Roller Bearing Co of America, Inc Div Pic Design
3040-01-466-1861HM-12POSSIBLE MATCH
FRONT YOKE ASSY
Possible match (shared part number)Rentfrow, Incorporated
5306-01-604-9890HM12030L-2POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Foster-Miller, Inc. Dba Qinetiq North America
5306-01-604-9906HM12080L-2POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Foster-Miller, Inc. Dba Qinetiq North America
5306-01-604-9910HM12050L-2POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Foster-Miller, Inc. Dba Qinetiq North America
5306-01-604-9914HM12045L-2POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Foster-Miller, Inc. Dba Qinetiq North America
5306-01-604-9923HM12040L-2POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Foster-Miller, Inc. Dba Qinetiq North America
5306-01-606-7973HM12025L-2POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Foster-Miller, Inc. Dba Qinetiq North America
5306-01-606-7974HM12120L-2POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Foster-Miller, Inc. Dba Qinetiq North America
5306-01-606-7975HM12085L-2POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Foster-Miller, Inc. Dba Qinetiq North America
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
HM12
5/9Secondary reference
Ingersoll-Rand Co Power Tool Div
Related Parts
3120-01-007-1701POSSIBLE MATCH
BEARING,PLAIN,ROD END
HM-12C
3040-01-466-1861POSSIBLE MATCH
FRONT YOKE ASSY
HM-12
5306-01-604-9890POSSIBLE MATCH
BOLT,MACHINE
HM12030L-2
5306-01-604-9906POSSIBLE MATCH
BOLT,MACHINE
HM12080L-2
5306-01-604-9910POSSIBLE MATCH
BOLT,MACHINE
HM12050L-2
5306-01-604-9914POSSIBLE MATCH
BOLT,MACHINE
HM12045L-2
5306-01-604-9923POSSIBLE MATCH
BOLT,MACHINE
HM12040L-2
5306-01-606-7973POSSIBLE MATCH
BOLT,MACHINE
HM12025L-2
5306-01-606-7974POSSIBLE MATCH
BOLT,MACHINE
HM12120L-2
5306-01-606-7975POSSIBLE MATCH
BOLT,MACHINE
HM12085L-2
5306-01-606-7976POSSIBLE MATCH
BOLT,MACHINE
HM12060L-2
Frequently Asked Questions
What is NSN 3950-00-844-2209?
NSN 3950-00-844-2209 is a Winch,drum,hand Operated, manufactured by Arcosa Marine Components, Llc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
What part numbers are listed for NSN 3950-00-844-2209?
NSN 3950-00-844-2209 has 2 manufacturer part numbers on file: HM12-M (Arcosa Marine Components, Llc), BHM12-M (Arcosa Marine Components, Llc).
What NSN replaces 3950-00-844-2209?
11 possible matches (shared part number, not a government interchangeability claim): 3120-01-007-1701, 3040-01-466-1861, 5306-01-604-9890. Verify interchangeability with system specifications before substitution.
What are the specifications of HM12-M?
Key specifications for HM12-M: Load Rating: 10000.0 POUNDS MAXIMUM LBS; Drum Flange Diameter and Location: 12.250 INCHES NOMINAL FIRST DRUM IN; Drum Surface Design: PLAIN; Braking Method: MANUAL. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3950-00-844-2209 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.