NSN 3110-01-727-7580 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-727-7580. Manufacturer of record part number: 566-8841884-21.
The Retainer,ball,bearing, cataloged under National Stock Number 3110-01-727-7580, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
Retainer,ball,bearing
FSC / FSG
3110 — Bearings, Antifriction, Unmounted (FSG 31)
Manufacturers
Naval Sea Systems Command (CAGE 53711)
Technical Specifications
Parameter
Value
NSN
3110-01-727-7580
Primary Part Number
566-8841884-21
Item Name
Retainer,ball,bearing
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Naval Sea Systems Command
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.
3120-01-727-7632566-8841884-10POSSIBLE MATCH
BEARING,PLAIN,SPHERICAL
Possible match (shared part number)Naval Sea Systems Command
2590-01-727-7639566-8841884-14POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)Naval Sea Systems Command
3110-01-727-7915566-8841884-20POSSIBLE MATCH
RING,BEARING,INNER
Possible match (shared part number)Naval Sea Systems Command
2520-01-727-7924566-8841884-45POSSIBLE MATCH
CARRIER,CLUTCH RELEASE BEARING
Possible match (shared part number)Naval Sea Systems Command
2520-01-727-7955566-8841884-67POSSIBLE MATCH
CARRIER,CLUTCH RELEASE BEARING
Possible match (shared part number)Naval Sea Systems Command
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
218108890
5/2Secondary reference
U.S. Government activity
8841884
D/9Drawing number reference only
Naval Sea Systems Command
Related Parts
3120-01-727-7632POSSIBLE MATCH
BEARING,PLAIN,SPHERICAL
566-8841884-10
2590-01-727-7639POSSIBLE MATCH
COVER,ACCESS
566-8841884-14
3110-01-727-7915POSSIBLE MATCH
RING,BEARING,INNER
566-8841884-20
2520-01-727-7924POSSIBLE MATCH
CARRIER,CLUTCH RELEASE BEARING
566-8841884-45
2520-01-727-7955POSSIBLE MATCH
CARRIER,CLUTCH RELEASE BEARING
566-8841884-67
Frequently Asked Questions
What is NSN 3110-01-727-7580?
NSN 3110-01-727-7580 is a Retainer,ball,bearing, manufactured by Naval Sea Systems Command, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-727-7580?
NSN 3110-01-727-7580 has 2 manufacturer part numbers on file: 566-8841884-32 (Naval Sea Systems Command), 566-8841884-21 (Naval Sea Systems Command).
What NSN replaces 3110-01-727-7580?
5 possible matches (shared part number, not a government interchangeability claim): 3120-01-727-7632, 2590-01-727-7639, 3110-01-727-7915. Verify interchangeability with system specifications before substitution.
Is NSN 3110-01-727-7580 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.