The Bearing,sleeve, cataloged under National Stock Number 3120-00-541-0126, 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 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-541-0126 |
| Primary Part Number | AA-1257 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Beemer Precision Inc |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Material | COPPER ALLOY OVERALL |
| Body Outside Diameter | 1.2520 INCHES MINIMUM AND 1.2530 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.7520 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND A COMPOSITION |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | OIL LUBRICATING LUBRICATION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AA-1257 PRIMARY | Beemer Precision Inc (USA) |
| P79-8 | Bunting Bearings Corp Kalamazoo Plant (USA) |
| PB2440-16 | Johnson Bronze Co (USA) |
| A1257 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| AA1257 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| A1257 | Chrysler Corp Amplex Div (USA) |
| AA1257 | Chrysler Corp Amplex Div (USA) |
| P79-8 | Bunting Bearings Corp (USA) |
| C753BA1000 | Bound Brook Bearing Co (USA) |
| B1220-8 | Altra Industrial Motion Corp. (USA) |
NSN 3120-00-541-0126 is a Bearing,sleeve, manufactured by Beemer Precision Inc, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-541-0126 has 10 cross-referenced part numbers: AA-1257 (Beemer Precision Inc), P79-8 (Bunting Bearings Corp Kalamazoo Plant), PB2440-16 (Johnson Bronze Co), A1257 (Chrysler Realty Company Llc Dba Daimler Chrysler), AA1257 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 5 more.
There are 4 known substitutes for 3120-00-541-0126: 6145-00-112-1449, 5999-00-500-5796, 5306-00-530-9255 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for AA-1257: Corner Shape: SQUARE ALL CORNERS; Material: COPPER ALLOY OVERALL; Overall Length: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN; Body Outside Diameter: 1.2520 INCHES MINIMUM AND 1.2530 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.