PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D257-232PCA257-1868Bearing,sleeve

Almon Johnson Ltd · NSN 3120-00-288-2807 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-288-2807 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-288-2807. Primary manufacturer part number: D257-232PCA257-1868.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION
  • 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 Inside Diameter: 0.3755 INCHES MINIMUM AND 0.3765 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 3120-00-288-2807, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Almon Johnson Ltd. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-288-2807
Primary Part NumberD257-232PCA257-1868
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAlmon Johnson Ltd
StatusCANCELLED
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialOIL LUBRICATING LUBRICATION
MaterialCOPPER ALLOY OVERALL
Body Inside Diameter0.3755 INCHES MINIMUM AND 0.3765 INCHES MAXIMUM IN
Body Outside Diameter0.5020 INCHES MINIMUM AND 0.5030 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
2840-00-138-9330679121 INTERCHANGEABLE
Housing,valve
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2920-00-737-1312A5074 INTERCHANGEABLE
Harness
Am General Llc
2840-00-777-8926230960 INTERCHANGEABLE
Lockplate,2nd Stage
Curtiss-Wright Controls, Inc. Div Actuation Division
5365-01-018-5254230906 INTERCHANGEABLE
Spacer
Dana Off Highway Products, Llc
6685-01-149-2789 INTERCHANGEABLE
Gage,pressure,dial Indicating
5310-01-155-1888 INTERCHANGEABLE
Nut,plain,slotted,hexagon
6550-01-162-1171230906 INTERCHANGEABLE
Sensitivity Discs,diagnostic,oxa
Becton, Dickinson and Company Dba Becton Dickinson & Co
5365-01-406-5460230960 INTERCHANGEABLE
Spacer,ring
Meggitt North Hollywood Inc
Cross-Reference Index
Part NumberManufacturer
D257-232PCA257-1868 PRIMARY Almon Johnson Ltd (USA)
261-1-13 PRIMARY Almon Johnson Ltd (USA)
AA507-4 Eagle-Picher Industries Inc Kingwell Div (USA)
230960 PRIMARY Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
AA507-4 Chrysler Corp Amplex Div (USA)
N18442PC566 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
A507-4 Amplex Mfg Co
AP106S1701-504932PC566 PRIMARY Naval Ship Systems Command (USA)
MILB5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A507-4 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
HA507-4 Chrysler Corp Amplex Div (USA)
12062P11 Taylor Machine Works Inc (USA)
A257-1868 PRIMARY Almon Johnson Ltd (USA)
SL372-7 Masten Bunting Eagle-Picher Bearings Div Eagle-Picher Industries Inc (USA)
AA507-4 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
230906 Hme, Inc. Dba Hme Ahrens-Fox (USA)
HA507-4 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
679121 PRIMARY Almon Johnson Ltd (USA)
A507-4 Almon Johnson Ltd (USA)
N18442PC566 Control Flow, Inc. Dba Control Flow Inc (USA)
Related Parts
2840-00-138-9330INTERCHANGEABLE
HOUSING,VALVE
679121
2920-00-737-1312INTERCHANGEABLE
HARNESS
A5074
2840-00-777-8926INTERCHANGEABLE
LOCKPLATE,2ND STAGE
230960
5365-01-018-5254INTERCHANGEABLE
SPACER
230906
6685-01-149-2789INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
5310-01-155-1888INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
6550-01-162-1171INTERCHANGEABLE
SENSITIVITY DISCS,DIAGNOSTIC,OXA
230906
5365-01-406-5460INTERCHANGEABLE
SPACER,RING
230960

Frequently Asked Questions

What is NSN 3120-00-288-2807?

NSN 3120-00-288-2807 is a Bearing,sleeve, manufactured by Almon Johnson Ltd, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-288-2807?

NSN 3120-00-288-2807 has 24 cross-referenced part numbers: D257-232PCA257-1868 (Almon Johnson Ltd), 261-1-13 (Almon Johnson Ltd), AA507-4 (Eagle-Picher Industries Inc Kingwell Div), 230960 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems), AA507-4 (Chrysler Corp Amplex Div) and 19 more.

What NSN replaces 3120-00-288-2807?

There are 8 known substitutes for 3120-00-288-2807: 2840-00-138-9330, 2920-00-737-1312, 2840-00-777-8926 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D257-232PCA257-1868?

Key specifications for D257-232PCA257-1868: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Corner Shape: SQUARE ALL CORNERS; Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION; Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-288-2807 still in active supply?

NSN 3120-00-288-2807 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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