PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16-129Bushing,sleeve

Porta Drill Inc · NSN 3120-00-237-6556 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-237-6556 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-237-6556. Primary manufacturer part number: 16-129.
Features
  • Bushing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: COPPER ALLOY OVERALL
  • Body Inside Diameter: 1.5650 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 1.9410 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Porta Drill Inc
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-237-6556, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Porta Drill Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-237-6556
Primary Part Number16-129
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerPorta Drill Inc
StatusACTIVE
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER ALLOY OVERALL
Body Inside Diameter1.5650 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter1.9410 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-231-4774 INTERCHANGEABLE
Transformer,audio Frequency
5910-00-834-3015148P242-PYL INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Exxelia Usa, Inc.
5935-01-047-813065002-033 INTERCHANGEABLE
Cover,electrical Connector
Dynalec Corporation
5950-01-553-197884110-129 INTERCHANGEABLE
Transformer,power
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
1005-01-676-026716129 INTERCHANGEABLE
Brake,muzzle
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
16-129 PRIMARY Porta Drill Inc (USA)
Related Parts
5950-00-231-4774INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5910-00-834-3015INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
148P242-PYL
5935-01-047-8130INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
65002-033
5950-01-553-1978INTERCHANGEABLE
TRANSFORMER,POWER
84110-129
1005-01-676-0267INTERCHANGEABLE
BRAKE,MUZZLE
16129

Frequently Asked Questions

What is NSN 3120-00-237-6556?

NSN 3120-00-237-6556 is a Bushing,sleeve, manufactured by Porta Drill Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-237-6556?

NSN 3120-00-237-6556 has 1 cross-referenced part number: 16-129 (Porta Drill Inc).

What NSN replaces 3120-00-237-6556?

There are 5 known substitutes for 3120-00-237-6556: 5950-00-231-4774, 5910-00-834-3015, 5935-01-047-8130 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16-129?

Key specifications for 16-129: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: COPPER ALLOY OVERALL; Body Inside Diameter: 1.5650 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS. 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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