NSN 3120-01-503-1502 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-503-1502. Manufacturer of record part number: 596-7410249-72.
Manufacturer of record: Rexnord Industries, Llc Div Aerosspace Bearing Operation
Identification
NSN: 3120-01-503-1502
NIIN: 015031502
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 596-7410249-72
Manufacturer: Rexnord Industries, Llc Div Aerosspace Bearing Operation
General Description
The Bearing,sleeve, cataloged under National Stock Number 3120-01-503-1502, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Div Aerosspace Bearing Operation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
Bearing,sleeve
FSC / FSG
3120 — Bearings, Plain, Unmounted (FSG 31)
Manufacturers
Rexnord Industries, Llc Div Aerosspace Bearing Operation (CAGE 77896)
Technical Specifications
Parameter
Value
NSN
3120-01-503-1502
Primary Part Number
596-7410249-72
Item Name
Bearing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Rexnord Industries, Llc Div Aerosspace Bearing Operation
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.
3120-01-503-1528596-7410249-97POSSIBLE MATCH
BEARING,PLAIN,SPHERICAL
Possible match (shared part number)Naval Sea Systems Command
2040-01-503-1781B831-9511-A1POSSIBLE MATCH
BRIDGING,TRACK ASSY
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
2040-01-503-1793B831-9511-A3POSSIBLE MATCH
BRIDGING,TRACK ASSY
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-503-3365596-7410249-85POSSIBLE MATCH
BUMPER
Possible match (shared part number)Naval Sea Systems Command
3040-01-504-8342596-7410249-61POSSIBLE MATCH
WORM SHAFT
Possible match (shared part number)Naval Sea Systems Command
Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
Reference documents
Reference
Meaning
596-7410249-72
7/2Vendor item drawing reference
Naval Sea Systems Command
B831-9511-72
5/1Secondary reference
U.S. Government activity
596-7410249
D/9Drawing number reference only
Naval Sea Systems Command
Related Parts
3120-01-503-1528POSSIBLE MATCH
BEARING,PLAIN,SPHERICAL
596-7410249-97
2040-01-503-1781POSSIBLE MATCH
BRIDGING,TRACK ASSY
B831-9511-A1
2040-01-503-1793POSSIBLE MATCH
BRIDGING,TRACK ASSY
B831-9511-A3
5340-01-503-3365POSSIBLE MATCH
BUMPER
596-7410249-85
3040-01-504-8342POSSIBLE MATCH
WORM SHAFT
596-7410249-61
Frequently Asked Questions
What is NSN 3120-01-503-1502?
NSN 3120-01-503-1502 is a Bearing,sleeve, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-503-1502?
NSN 3120-01-503-1502 has 2 manufacturer part numbers on file: 503-5010-032 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), 596-7410249-72 (Rexnord Industries, Llc Div Aerosspace Bearing Operation).
What NSN replaces 3120-01-503-1502?
5 possible matches (shared part number, not a government interchangeability claim): 3120-01-503-1528, 2040-01-503-1781, 2040-01-503-1793. Verify interchangeability with system specifications before substitution.
Is NSN 3120-01-503-1502 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.