NSN 3950-01-733-1647 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-733-1647. Manufacturer of record part number: MMD-7531.
Also searched as3950-01-733-1647 ·
3950017331647 ·
NIIN 017331647 ·
01-733-1647 ·
FSC 3950 Winches, Hoists, Cranes, and Derricks · CAGE 70433 · MMD-7531 · AMD-2874 ITEM 18 · AMD-2874
The Fairlead,roller, cataloged under National Stock Number 3950-01-733-1647, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Appleton Marine Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Fairlead,roller
FSC / FSG
3950 — Winches, Hoists, Cranes, and Derricks (FSG 39)
Manufacturers
Appleton Marine Inc (CAGE 70433)
Technical Specifications
Parameter
Value
NSN
3950-01-733-1647
Primary Part Number
MMD-7531
Item Name
Fairlead,roller
FSC / FSG
3950 / 39 — Winches, Hoists, Cranes, and Derricks
Manufacturer
Appleton Marine Inc
Status
ACTIVE
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5365-01-733-2072MMD-7535POSSIBLE MATCH
SHIM SET
Possible match (shared part number)Appleton Marine Inc
3950-01-733-2103MMD-7519POSSIBLE MATCH
FAIRLEAD,ROLLER
Possible match (shared part number)Appleton Marine Inc
3040-01-733-2131YMD-12890POSSIBLE MATCH
BREATHER
Possible match (shared part number)Appleton Marine Inc
5330-01-733-2238YMD-10089POSSIBLE MATCH
GASKET
Possible match (shared part number)Appleton Marine Inc
5930-01-733-3502YMD-12037POSSIBLE MATCH
SWITCH,ROTARY
Possible match (shared part number)Appleton Marine Inc
C/1Advisory reference — outside the item-of-supply concept
Appleton Marine Inc
AMD-2874
D/9Drawing number reference only
Appleton Marine Inc
Related Parts
5365-01-733-2072POSSIBLE MATCH
SHIM SET
MMD-7535
3950-01-733-2103POSSIBLE MATCH
FAIRLEAD,ROLLER
MMD-7519
3040-01-733-2131POSSIBLE MATCH
BREATHER
YMD-12890
5330-01-733-2238POSSIBLE MATCH
GASKET
YMD-10089
5930-01-733-3502POSSIBLE MATCH
SWITCH,ROTARY
YMD-12037
Frequently Asked Questions
What is NSN 3950-01-733-1647?
NSN 3950-01-733-1647 is a Fairlead,roller, manufactured by Appleton Marine Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
What part numbers are listed for NSN 3950-01-733-1647?
NSN 3950-01-733-1647 has 1 manufacturer part number on file: MMD-7531 (Appleton Marine Inc).
What NSN replaces 3950-01-733-1647?
5 possible matches (shared part number, not a government interchangeability claim): 5365-01-733-2072, 3950-01-733-2103, 3040-01-733-2131. Verify interchangeability with system specifications before substitution.
Is NSN 3950-01-733-1647 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.