PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H12ZBBearing,sleeve

Schramm, Inc. · NSN 3120-00-661-8915 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-8915 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-8915. Primary manufacturer part number: H12ZB.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 1.3760 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
  • Body Inside Diameter: 1.1170 INCHES MINIMUM AND 1.1200 INCHES MAXIMUM IN
  • Lubricant Accommodation Style: GROOVED CIRCULAR
  • Surface Groove Location and Quantity: 1 INTERNAL
  • Corner Shape: SQUARE ALL CORNERS
  • Antirotation/lubrication Type and Quantity: 1 HOLE
  • Material: COPPER ALLOY OVERALL
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 3120-00-661-8915, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schramm, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-661-8915
Primary Part NumberH12ZB
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerSchramm, Inc.
StatusCANCELLED
Body Outside Diameter1.3760 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
Body Inside Diameter1.1170 INCHES MINIMUM AND 1.1200 INCHES MAXIMUM IN
Lubricant Accommodation StyleGROOVED CIRCULAR
Surface Groove Location and Quantity1 INTERNAL
Corner ShapeSQUARE ALL CORNERS
Antirotation/lubrication Type and Quantity1 HOLE
MaterialCOPPER ALLOY OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5970-00-099-4703H12 INTERCHANGEABLE
Insulator,bushing
Tyco Electronics Uk Ltd
7490-00-164-05410104000K INTERCHANGEABLE
Stencil Cutting Machine,hand Ope
Illinois Tool Works Inc. Dba Diagraph Msp - Itw Div Diagraph Marking & Stenciling Products
4320-00-218-4258H12 INTERCHANGEABLE
Ring,lantern
Circor Naval Solutions Llc Dba Warren Pumps
2920-00-585-985814L9 INTERCHANGEABLE
Spark Plug
Prestolite Electric Inc
4120-00-738-5572H12 INTERCHANGEABLE
Parts Kit,air Condi
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
4320-00-805-8134 INTERCHANGEABLE
Pump,boat Bilge
5950-00-960-4131H12 INTERCHANGEABLE
Transformer,audio Frequency
Magnetika Inc
5999-00-969-2189 INTERCHANGEABLE
Heater,thermal Release
5998-01-129-6406133-1120 INTERCHANGEABLE
Holder,printed Circuit Board
Nautel Maine Inc
5350-01-216-393066260300394 INTERCHANGEABLE
Lapping and Grinding Compound
Saint-Gobain Abrasives Inc
Cross-Reference Index
Part NumberManufacturer
H12ZB PRIMARY Schramm, Inc. (USA)
H12 Schramm, Inc. (USA)
0012-0004 PRIMARY Schramm, Inc. (USA)
Related Parts
5970-00-099-4703INTERCHANGEABLE
INSULATOR,BUSHING
H12
7490-00-164-0541INTERCHANGEABLE
STENCIL CUTTING MACHINE,HAND OPE
0104000K
4320-00-218-4258INTERCHANGEABLE
RING,LANTERN
H12
2920-00-585-9858INTERCHANGEABLE
SPARK PLUG
14L9
4120-00-738-5572INTERCHANGEABLE
PARTS KIT,AIR CONDI
H12
4320-00-805-8134INTERCHANGEABLE
PUMP,BOAT BILGE
5950-00-960-4131INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
H12
5999-00-969-2189INTERCHANGEABLE
HEATER,THERMAL RELEASE
5998-01-129-6406INTERCHANGEABLE
HOLDER,PRINTED CIRCUIT BOARD
133-1120
5350-01-216-3930INTERCHANGEABLE
LAPPING AND GRINDING COMPOUND
66260300394
5999-01-330-5886INTERCHANGEABLE
HEATER,THERMAL RELEASE
H12
5340-01-352-2162INTERCHANGEABLE
CLAMP,LOOP

Frequently Asked Questions

What is NSN 3120-00-661-8915?

NSN 3120-00-661-8915 is a Bearing,sleeve, manufactured by Schramm, Inc., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-661-8915?

NSN 3120-00-661-8915 has 3 cross-referenced part numbers: H12ZB (Schramm, Inc.), H12 (Schramm, Inc.), 0012-0004 (Schramm, Inc.).

What NSN replaces 3120-00-661-8915?

There are 12 known substitutes for 3120-00-661-8915: 5970-00-099-4703, 7490-00-164-0541, 4320-00-218-4258 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H12ZB?

Key specifications for H12ZB: Overall Length: 1.2500 INCHES NOMINAL IN; Body Outside Diameter: 1.3760 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN; Body Inside Diameter: 1.1170 INCHES MINIMUM AND 1.1200 INCHES MAXIMUM IN; Lubricant Accommodation Style: GROOVED CIRCULAR. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-661-8915 still in active supply?

NSN 3120-00-661-8915 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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