NSN 3120-00-024-7954 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-024-7954. Manufacturer of record part number: 731258PC1.
Outside Diameter: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
Casehardening Indicator: CASEHARDENED
Material: STEEL
Face Width: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Metallic Hardness Rating: 55.0 MINIMUM ROCKWELL C AND 60.0 MAXIMUM ROCKWELL C
Bore Inside Diameter: 0.438 INCHES NOMINAL IN
Identification
NSN: 3120-00-024-7954
NIIN: 000247954
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 731258PC1
Manufacturer: Naval Sea Systems Command
General Description
The Roller,linear-Rotary Motion, cataloged under National Stock Number 3120-00-024-7954, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-00-024-7954
Primary Part Number
731258PC1
Item Name
Roller,linear-Rotary Motion
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Style Designator
PLAIN
Outside Diameter
0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
Casehardening Indicator
CASEHARDENED
Material
STEEL
Face Width
0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Metallic Hardness Rating
55.0 MINIMUM ROCKWELL C AND 60.0 MAXIMUM ROCKWELL C
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
No interchangeability data on file.
Other items in FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288
3120-00-001-1288 · Item name not on file
3120-00-001-1835
3120-00-001-1835 · Item name not on file
3120-00-001-1838
3120-00-001-1838 · Item name not on file
3120-00-001-1928
3120-00-001-1928 · Item name not on file
3120-00-001-1934
3120-00-001-1934 · Item name not on file
3120-00-001-3933
3120-00-001-3933 · Item name not on file
3120-00-001-3937
3120-00-001-3937 · Item name not on file
3120-00-001-3938
3120-00-001-3938 · Item name not on file
Frequently Asked Questions
What is NSN 3120-00-024-7954?
NSN 3120-00-024-7954 is a Roller,linear-Rotary Motion, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-00-024-7954?
NSN 3120-00-024-7954 has 1 manufacturer part number on file: 731258PC1 (Naval Sea Systems Command).
What are the specifications of 731258PC1?
Key specifications for 731258PC1: Style Designator: PLAIN; Outside Diameter: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN; Casehardening Indicator: CASEHARDENED; Material: STEEL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3120-00-024-7954 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.