PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

163949Bushing,sleeve

Telemechanics Inc · NSN 3120-00-989-7397 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-989-7397 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-989-7397. Primary manufacturer part number: 163949.
Features
  • Bushing,sleeve — FSC 3120
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Body Inside Diameter: 0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Flange Outside Diameter: 0.5620 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN
  • Flange Width: 0.0620 INCHES NOMINAL IN
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
Applications
  • Applications requiring Steel Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-989-7397, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-989-7397
Primary Part Number163949
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Corner ShapeSQUARE INSIDE RIGHT CORNER
Body Inside Diameter0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Flange Outside Diameter0.5620 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN
Flange Width0.0620 INCHES NOMINAL IN
Corner ShapeSQUARE INSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Features ProvidedCASEHARDENED
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Body Outside Diameter0.4050 INCHES MINIMUM AND 0.4070 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6685-00-081-0065163949 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
163949 American Telephone and Telegraph Co (USA)
163949 At and T Corp (USA)
163949 PRIMARY Telemechanics Inc (USA)
Related Parts
6685-00-081-0065INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
163949

Frequently Asked Questions

What is NSN 3120-00-989-7397?

NSN 3120-00-989-7397 is a Bushing,sleeve, manufactured by Telemechanics Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-989-7397?

NSN 3120-00-989-7397 has 3 cross-referenced part numbers: 163949 (American Telephone and Telegraph Co), 163949 (At and T Corp), 163949 (Telemechanics Inc).

What NSN replaces 3120-00-989-7397?

There is 1 known substitute for 3120-00-989-7397: 6685-00-081-0065. Verify interchangeability with system specifications before substitution.

What are the specifications of 163949?

Key specifications for 163949: Corner Shape: SQUARE INSIDE RIGHT CORNER; Body Inside Diameter: 0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER; Overall Length: 0.1900 INCHES NOMINAL IN. 14 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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