PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

972-12Bushing,sleeve

Columbus Jack Corporation Div Columbus Jack · NSN 3120-00-684-2776 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-684-2776 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-684-2776. Primary manufacturer part number: 972-12.
Features
  • Bushing,sleeve — FSC 3120
  • Body Outside Diameter: 5.0130 INCHES MINIMUM AND 5.0150 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: COPPER ALLOY 836 OVERALL
  • Body Inside Diameter: 4.6230 INCHES MINIMUM AND 4.6250 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Columbus Jack Corporation Div Columbus Jack
Applications
  • Applications requiring Copper Alloy 836 Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-684-2776, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Columbus Jack Corporation Div Columbus Jack. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-684-2776
Primary Part Number972-12
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerColumbus Jack Corporation Div Columbus Jack
StatusACTIVE
Body Outside Diameter5.0130 INCHES MINIMUM AND 5.0150 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER ALLOY 836 OVERALL
Body Inside Diameter4.6230 INCHES MINIMUM AND 4.6250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4210-00-440-369697-212 INTERCHANGEABLE
Link,fusible,fire
Richards-Wilcox Inc
5340-01-207-9827 INTERCHANGEABLE
Fastener,pawl
3020-01-283-5084972-12 INTERCHANGEABLE
Gear Cluster
Eaton Aerospace Llc Sterer Engineering Morgan Actuators
Cross-Reference Index
Part NumberManufacturer
972-12 PRIMARY Columbus Jack Corporation Div Columbus Jack (USA)
972-12 Age Logistics Corporation (USA)
Related Parts
4210-00-440-3696INTERCHANGEABLE
LINK,FUSIBLE,FIRE
97-212
5340-01-207-9827INTERCHANGEABLE
FASTENER,PAWL
3020-01-283-5084INTERCHANGEABLE
GEAR CLUSTER
972-12

Frequently Asked Questions

What is NSN 3120-00-684-2776?

NSN 3120-00-684-2776 is a Bushing,sleeve, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-684-2776?

NSN 3120-00-684-2776 has 2 cross-referenced part numbers: 972-12 (Columbus Jack Corporation Div Columbus Jack), 972-12 (Age Logistics Corporation).

What NSN replaces 3120-00-684-2776?

There are 3 known substitutes for 3120-00-684-2776: 4210-00-440-3696, 5340-01-207-9827, 3020-01-283-5084. Verify interchangeability with system specifications before substitution.

What are the specifications of 972-12?

Key specifications for 972-12: Overall Length: 1.3125 INCHES NOMINAL IN; Body Outside Diameter: 5.0130 INCHES MINIMUM AND 5.0150 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 6 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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