PartsTable TECHNICAL DATA SHEET
NSN 3120-01-352-2779Government record, cited

Bearing, Sleeve3120-01-352-2779

NSN 3120-01-352-2779 · NIIN 013522779 · Part number M81934/1-16C018
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics · FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings · CAGE 09455
Government record, cited
NSN 3120-01-352-2779 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-352-2779. Manufacturer of record part number: M81934/1-16C018.
Also searched as  3120-01-352-2779 · 3120013522779 · NIIN 013522779 · 01-352-2779 · FSC 3120 Bearings, Plain, Unmounted · CAGE 09455 · M81934/1-16C018 · AHJ16C018 · 06-282-16-018 · MBSS-16-018 · AHJ16C(L1)018 · 04A075-16C018
Nearby stock numbers  ·
Features
  • Bearing,sleeve — FSC 3120
  • Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 1.1893 INCHES MINIMUM AND 1.1898 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER
  • Body Inside Diameter: 1.0005 INCHES MINIMUM AND 1.0015 INCHES MAXIMUM IN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
Identification
  • NSN: 3120-01-352-2779
  • NIIN: 013522779
  • FSC: 3120 — Bearings, Plain, Unmounted
  • FSG: 31 — Bearings
  • Primary part number: M81934/1-16C018
  • Manufacturer: Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-352-2779, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rbc Transport Dynamics Corp Div Rbc Transport Dynamics. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-352-2779
Primary Part NumberM81934/1-16C018
Item NameBearing,sleeve
FSC / FSG3120 / 31 — Bearings, Plain, Unmounted
ManufacturerRbc Transport Dynamics Corp Div Rbc Transport Dynamics
StatusACTIVE
Surface Finish63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter1.1893 INCHES MINIMUM AND 1.1898 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER
Body Inside Diameter1.0005 INCHES MINIMUM AND 1.0015 INCHES MAXIMUM IN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
MaterialSTEEL COMP 630 OUTER LAYER
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-01-665-2226M81934/1-16C018 POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
04A075-16C018 New Hampshire Ball Bearings Inc Div Astro Division (USA)
M81934/1-16C018 PRIMARY Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
04A075-16C018 Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
04A075-16C018 PRIMARY Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA)
04A075-16C018 Kamatics Corporation (USA)
Reference documents
ReferenceMeaning
AHJ16C018 5/9 Secondary reference
New Hampshire Ball Bearings Inc Div Precision Division
06-282-16-018 5/1 Secondary reference
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
MBSS-16-018 5/1 Secondary reference
U.S. Government activity
AHJ16C(L1)018 5/1 Secondary reference
New Hampshire Ball Bearings Inc Div Astro Division
04A075-16C018 5/2 Secondary reference
U.S. Government activity
04A075-16C018 5/9 Secondary reference
Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems
KDJ16C018-341 5/1 Secondary reference
U.S. Government activity
KRJ16SB-018S 5/1 Secondary reference
Kamatics Corporation
04A075-16C018 5/2 Secondary reference
U.S. Government activity
Related Parts
3120-01-665-2226POSSIBLE MATCH
BEARING,SLEEVE
M81934/1-16C018

Frequently Asked Questions

What is NSN 3120-01-352-2779?

NSN 3120-01-352-2779 is a Bearing,sleeve, manufactured by Rbc Transport Dynamics Corp Div Rbc Transport Dynamics, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.

What part numbers are listed for NSN 3120-01-352-2779?

NSN 3120-01-352-2779 has 5 manufacturer part numbers on file: 04A075-16C018 (New Hampshire Ball Bearings Inc Div Astro Division), M81934/1-16C018 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), 04A075-16C018 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), 04A075-16C018 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 04A075-16C018 (Kamatics Corporation).

What NSN replaces 3120-01-352-2779?

1 possible match (shared part number, not a government interchangeability claim): 3120-01-665-2226. Verify interchangeability with system specifications before substitution.

What are the specifications of M81934/1-16C018?

Key specifications for M81934/1-16C018: Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 1.1893 INCHES MINIMUM AND 1.1898 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 8 specifications are documented in the U.S. Government catalog.

Is NSN 3120-01-352-2779 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.
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