PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9128Bearing,sleeve

Mid-America Aerotech, Llc · NSN 3120-00-662-7111 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-662-7111 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-662-7111. Primary manufacturer part number: 9128.
Features
  • Bearing,sleeve — FSC 3120
  • Surface Treatment: ANODIZE OVERALL
  • Surface Finish: 250.0 MICROINCHES OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: AMS 4088 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Body Outside Diameter: 0.8750 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-662-7111, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-662-7111
Primary Part Number9128
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerMid-America Aerotech, Llc
StatusACTIVE
Surface TreatmentANODIZE OVERALL
Surface Finish250.0 MICROINCHES OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationAMS 4088 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Corner ShapeSQUARE ALL CORNERS
MaterialALUMINUM ALLOY 2024 OVERALL
Body Outside Diameter0.8750 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Body Inside Diameter0.7710 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-241-74639128-1 INTERCHANGEABLE
Pin,straight,headless
Cummins Inc.
2940-00-420-47939128 INTERCHANGEABLE
Rod Assembly,filter
Vortox Company
5985-00-494-36208004747G1 INTERCHANGEABLE
Coupler,antenna
L3harris Technologies, Inc. Dba Harris Corporation
4730-00-720-0167 INTERCHANGEABLE
Clamp,hose
5920-00-879-6285 INTERCHANGEABLE
Fuse,cartridge
4820-01-090-4965KIT 9128 INTERCHANGEABLE
Parts Kit,ball Valve
Akron Brass Company
3460-01-137-32849128-M INTERCHANGEABLE
V-Block Set,matched
Suburban Tool, Inc. Dba Taft-Peirce Metrology Co.
5995-01-183-18559128 INTERCHANGEABLE
Cable Assembly,radio Frequency
Acr Electronics, Inc. Dba Acr Electronics Inc
6350-01-242-62529128 INTERCHANGEABLE
Alarm,smoke,automatic
Faraday Llc
6760-01-276-96239128 INTERCHANGEABLE
Lens,camera,general Photographic
Chicago Steel Tape Co Inc Berger Instruments Co Inc
Cross-Reference Index
Part NumberManufacturer
9128 Moog Inc (USA)
9128 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
9128 PRIMARY Mid-America Aerotech, Llc (USA)
9128 E-Systems Inc Montek Div Fluid Controls Opns (USA)
Related Parts
5315-00-241-7463INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
9128-1
2940-00-420-4793INTERCHANGEABLE
ROD ASSEMBLY,FILTER
9128
5985-00-494-3620INTERCHANGEABLE
COUPLER,ANTENNA
8004747G1
4730-00-720-0167INTERCHANGEABLE
CLAMP,HOSE
5920-00-879-6285INTERCHANGEABLE
FUSE,CARTRIDGE
4820-01-090-4965INTERCHANGEABLE
PARTS KIT,BALL VALVE
KIT 9128
3460-01-137-3284INTERCHANGEABLE
V-BLOCK SET,MATCHED
9128-M
5995-01-183-1855INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
9128
6350-01-242-6252INTERCHANGEABLE
ALARM,SMOKE,AUTOMATIC
9128
6760-01-276-9623INTERCHANGEABLE
LENS,CAMERA,GENERAL PHOTOGRAPHIC
9128
6140-01-412-9128INTERCHANGEABLE
BATTERY ASSEMBLY
9128
6920-01-660-0346INTERCHANGEABLE
TARGET,ZEROING
9128

Frequently Asked Questions

What is NSN 3120-00-662-7111?

NSN 3120-00-662-7111 is a Bearing,sleeve, manufactured by Mid-America Aerotech, Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-662-7111?

NSN 3120-00-662-7111 has 4 cross-referenced part numbers: 9128 (Moog Inc), 9128 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 9128 (Mid-America Aerotech, Llc), 9128 (E-Systems Inc Montek Div Fluid Controls Opns).

What NSN replaces 3120-00-662-7111?

There are 12 known substitutes for 3120-00-662-7111: 5315-00-241-7463, 2940-00-420-4793, 5985-00-494-3620 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9128?

Key specifications for 9128: Overall Length: 0.4400 INCHES NOMINAL IN; Surface Treatment: ANODIZE OVERALL; Surface Finish: 250.0 MICROINCHES OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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