NSN 3010-01-184-9988 · NIIN 011849988 · Part number 020991
Rexnord Industries, Llc Div Couplings Division · FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment · CAGE 59747
Government record, cited
NSN 3010-01-184-9988 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-184-9988. Manufacturer of record part number: 020991.
Also searched as3010-01-184-9988 ·
3010011849988 ·
NIIN 011849988 ·
01-184-9988 ·
FSC 3010 Torque Converters and Speed Changers · CAGE 59747 · 020991 · 80249
Manufacturer: Rexnord Industries, Llc Div Couplings Division
General Description
The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-184-9988, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rexnord Industries, Llc Div Couplings Division. Government technical data includes 7 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. 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
3010-01-184-9988
Primary Part Number
020991
Item Name
Insert,flexible Coupling
FSC / FSG
3010 / 30 — Torque Converters and Speed Changers
Manufacturer
Rexnord Industries, Llc Div Couplings Division
Status
ACTIVE
Overall Thickness
0.938 INCHES NOMINAL IN
Style Designator
MULTIPLE HOLES, ROUND BORE
Bolt Hole Diameter
0.625 INCHES NOMINAL IN
Overall Outside Diameter
9.850 INCHES NOMINAL IN
Bolt Hole Quantity
8
Bolt Circle Diameter
8.000 INCHES NOMINAL IN
Material
STEEL CORROSION RESISTING
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.
1005-01-307-165702099-1POSSIBLE MATCH
CONVEYOR,AMMUNITION
Possible match (shared part number)Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
1710-01-311-854052-D-9017-80POSSIBLE MATCH
SWITCH WIPE CONTROL
Possible match (shared part number)Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
6685-01-417-766580249POSSIBLE MATCH
PYROMETER,INDICATING
Possible match (shared part number)Thermo Electric Company Inc. Dba Thermo Electric Company
6530-01-497-5613SR601RT2POSSIBLE MATCH
CARRIER,LITTER,WHEELED
Possible match (shared part number)North Coast Outfitters, Ltd. Dba North Coast Outfitters Ltd
Rexnord Industries, Llc Div Couplings Division (USA)
Related Parts
1005-01-307-1657POSSIBLE MATCH
CONVEYOR,AMMUNITION
02099-1
1710-01-311-8540POSSIBLE MATCH
SWITCH WIPE CONTROL
52-D-9017-80
6685-01-417-7665POSSIBLE MATCH
PYROMETER,INDICATING
80249
6530-01-497-5613POSSIBLE MATCH
CARRIER,LITTER,WHEELED
SR601RT2
Frequently Asked Questions
What is NSN 3010-01-184-9988?
NSN 3010-01-184-9988 is a Insert,flexible Coupling, manufactured by Rexnord Industries, Llc Div Couplings Division, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
What part numbers are listed for NSN 3010-01-184-9988?
NSN 3010-01-184-9988 has 2 manufacturer part numbers on file: 020991 (Rexnord Industries, Llc Div Couplings Division), 80249 (Rexnord Industries, Llc Div Couplings Division).
What NSN replaces 3010-01-184-9988?
4 possible matches (shared part number, not a government interchangeability claim): 1005-01-307-1657, 1710-01-311-8540, 6685-01-417-7665. Verify interchangeability with system specifications before substitution.
What are the specifications of 020991?
Key specifications for 020991: Overall Thickness: 0.938 INCHES NOMINAL IN; Style Designator: MULTIPLE HOLES, ROUND BORE; Bolt Hole Diameter: 0.625 INCHES NOMINAL IN; Overall Outside Diameter: 9.850 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3010-01-184-9988 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.