PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1204-1Bearing,sleeve

Beemer Precision Inc · NSN 3120-00-630-6938 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-630-6938 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-630-6938. Primary manufacturer part number: A1204-1.
Features
  • Bearing,sleeve — FSC 3120
  • Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION
  • Corner Shape: SQUARE ALL CORNERS
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: OIL LUBRICATING LUBRICATION
  • Material: COPPER ALLOY OVERALL
  • Body Outside Diameter: 1.2515 INCHES MINIMUM AND 1.2525 INCHES MAXIMUM IN
  • Body Inside Diameter: 1.0040 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Oil Lubricating Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-630-6938, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 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
NSN3120-00-630-6938
Primary Part NumberA1204-1
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBeemer Precision Inc
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
Corner ShapeSQUARE ALL CORNERS
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialOIL LUBRICATING LUBRICATION
MaterialCOPPER ALLOY OVERALL
Body Outside Diameter1.2515 INCHES MINIMUM AND 1.2525 INCHES MAXIMUM IN
Body Inside Diameter1.0040 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5365-00-518-5425A12041 INTERCHANGEABLE
Bushing Assembly
Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
5945-00-970-6116709239-801 INTERCHANGEABLE
Relay Assembly
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
3120-2 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
AA1204-1 Keen Machine Products Inc (USA)
58A57R51-34 Gate Mfg Co (USA)
A1204-1 Raytheon Technical Services Company (USA)
AA1204-1 Chrysler Corp Amplex Div (USA)
A1204-1 PRIMARY Beemer Precision Inc (USA)
MIL-B-5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA1204-1 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
AA1204-1 Beemer Precision Inc (USA)
A1204-1 Cae Usa Inc. (USA)
Related Parts
5365-00-518-5425INTERCHANGEABLE
BUSHING ASSEMBLY
A12041
5945-00-970-6116INTERCHANGEABLE
RELAY ASSEMBLY
709239-801

Frequently Asked Questions

What is NSN 3120-00-630-6938?

NSN 3120-00-630-6938 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 3120-00-630-6938?

NSN 3120-00-630-6938 has 10 cross-referenced part numbers: 3120-2 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), AA1204-1 (Keen Machine Products Inc), 58A57R51-34 (Gate Mfg Co), A1204-1 (Raytheon Technical Services Company), AA1204-1 (Chrysler Corp Amplex Div) and 5 more.

What NSN replaces 3120-00-630-6938?

There are 2 known substitutes for 3120-00-630-6938: 5365-00-518-5425, 5945-00-970-6116. Verify interchangeability with system specifications before substitution.

What are the specifications of A1204-1?

Key specifications for A1204-1: Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION; Corner Shape: SQUARE ALL CORNERS; Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: OIL LUBRICATING LUBRICATION. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-630-6938 still in active supply?

NSN 3120-00-630-6938 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.
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