PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS-1220-12Bearing,sleeve

Morpac Industries, Inc Div Actuator · NSN 3120-00-661-5546 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-5546 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-5546. Primary manufacturer part number: SS-1220-12.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • 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
  • Material: COPPER ALLOY OVERALL
  • Body Outside Diameter: 0.6260 INCHES MINIMUM AND 0.6270 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 3120-00-661-5546, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Morpac Industries, Inc Div Actuator. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-661-5546
Primary Part NumberSS-1220-12
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerMorpac Industries, Inc Div Actuator
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialOIL LUBRICATING LUBRICATION
MaterialCOPPER ALLOY OVERALL
Body Outside Diameter0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
Body Inside Diameter0.3750 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-691-72024369422 INTERCHANGEABLE
Seal,plain Encased
Agco Corp Parts Opn
5365-00-914-853910271 INTERCHANGEABLE
Shim Set
L3harris Interstate Electronics Corporation
3040-01-067-976165380 INTERCHANGEABLE
Shaft,straight
Cooper Cameron Corp Cooper Cameron Valves Div
5950-01-079-7944SM-D-447805 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3020-01-109-81321965-031 INTERCHANGEABLE
Gear,operator
Cooper Cameron Corp Cooper Cameron Valves Div
2530-01-121-078610271 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Titan Wheel Corporation of Illinois
3020-01-121-2900J001965-011 INTERCHANGEABLE
Gear,drive Motion
Cooper Cameron Corp Cooper Cameron Valves Div
5331-01-292-7144 INTERCHANGEABLE
O-Ring
3020-01-310-122610271 INTERCHANGEABLE
Gear,spur
Lake Shore Systems, Inc.
5310-01-354-022510271 INTERCHANGEABLE
Nut,self-Locking,hexagon
Orscheln Products L.l.c.
Cross-Reference Index
Part NumberManufacturer
10271 Wico-Prestolite Co the Div of Eltra Corp (USA)
SS-1220-12 PRIMARY Morpac Industries, Inc Div Actuator (USA)
AA630-12 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
MILB5687TYPE1C0MP0SITI0NA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA630-12 Eagle-Picher Industries Inc Kingwell Div (USA)
A630-12 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
AA630-12 Chrysler Corp Amplex Div (USA)
Related Parts
5330-00-691-7202INTERCHANGEABLE
SEAL,PLAIN ENCASED
4369422
5365-00-914-8539INTERCHANGEABLE
SHIM SET
10271
3040-01-067-9761INTERCHANGEABLE
SHAFT,STRAIGHT
65380
5950-01-079-7944INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-D-447805
3020-01-109-8132INTERCHANGEABLE
GEAR,OPERATOR
1965-031
2530-01-121-0786INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
10271
3020-01-121-2900INTERCHANGEABLE
GEAR,DRIVE MOTION
J001965-011
5331-01-292-7144INTERCHANGEABLE
O-RING
3020-01-310-1226INTERCHANGEABLE
GEAR,SPUR
10271
5310-01-354-0225INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
10271
3120-01-459-2481INTERCHANGEABLE
BUSHING,SLEEVE
SS-1220-12
5340-01-665-0763INTERCHANGEABLE
HANDLE,BOW
10271

Frequently Asked Questions

What is NSN 3120-00-661-5546?

NSN 3120-00-661-5546 is a Bearing,sleeve, manufactured by Morpac Industries, Inc Div Actuator, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-661-5546?

NSN 3120-00-661-5546 has 7 cross-referenced part numbers: 10271 (Wico-Prestolite Co the Div of Eltra Corp), SS-1220-12 (Morpac Industries, Inc Div Actuator), AA630-12 (Chrysler Realty Company Llc Dba Daimler Chrysler), MILB5687TYPE1C0MP0SITI0NA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AA630-12 (Eagle-Picher Industries Inc Kingwell Div) and 2 more.

What NSN replaces 3120-00-661-5546?

There are 12 known substitutes for 3120-00-661-5546: 5330-00-691-7202, 5365-00-914-8539, 3040-01-067-9761 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SS-1220-12?

Key specifications for SS-1220-12: Overall Length: 0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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