PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA627-4Bearing,sleeve

Beemer Precision Inc · NSN 3120-00-540-8749 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-540-8749 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-540-8749. Primary manufacturer part number: AA627-4.
Features
  • Bearing,sleeve — FSC 3120
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Inside Diameter: 0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Outside Diameter: 0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
  • Material: OIL LUBRICATING LUBRICATION
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-540-8749, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Beemer Precision Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-540-8749
Primary Part NumberAA627-4
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBeemer Precision Inc
StatusCANCELLED
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Outside Diameter0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
MaterialOIL LUBRICATING LUBRICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5950-00-763-1768SM-C-502372-3 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2530-01-109-9631A-6274 INTERCHANGEABLE
Plate
Stewart Avionics Inc
Cross-Reference Index
Part NumberManufacturer
A627-4 Chrysler Corp Amplex Div (USA)
AA627-4 Chrysler Corp Amplex Div (USA)
G7644 Pierce Co Inc the Sub of Avis Industrial Corp (USA)
AA627-4 PRIMARY Beemer Precision Inc (USA)
Related Parts
5950-00-763-1768INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-502372-3
2530-01-109-9631INTERCHANGEABLE
PLATE
A-6274

Frequently Asked Questions

What is NSN 3120-00-540-8749?

NSN 3120-00-540-8749 is a Bearing,sleeve, manufactured by Beemer Precision Inc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-540-8749?

NSN 3120-00-540-8749 has 4 cross-referenced part numbers: A627-4 (Chrysler Corp Amplex Div), AA627-4 (Chrysler Corp Amplex Div), G7644 (Pierce Co Inc the Sub of Avis Industrial Corp), AA627-4 (Beemer Precision Inc).

What NSN replaces 3120-00-540-8749?

There are 2 known substitutes for 3120-00-540-8749: 5950-00-763-1768, 2530-01-109-9631. Verify interchangeability with system specifications before substitution.

What are the specifications of AA627-4?

Key specifications for AA627-4: Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Body Inside Diameter: 0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN; Material: COPPER ALLOY OVERALL; Overall Length: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-540-8749 still in active supply?

NSN 3120-00-540-8749 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com