PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14639Bearing Half,sleeve

Hdt Expeditionary Systems Inc · NSN 3120-01-064-6699 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-064-6699 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-064-6699. Primary manufacturer part number: 14639.
Features
  • Bearing Half,sleeve — FSC 3120
  • 3 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing Half,sleeve, cataloged under National Stock Number 3120-01-064-6699, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing Half,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersDavey Compressor Co Div of Keco Industries Inc (CAGE 16004); Drs Environmental Systems Inc (CAGE 5RQL2); Hdt Expeditionary Systems Inc (CAGE 92878)
Technical Specifications
ParameterValue
NSN3120-01-064-6699
Primary Part Number14639
Item NameBearing Half,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2920-00-810-70822226 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
2915-01-163-4586 INTERCHANGEABLE
Pump Assy,fuel
3120-01-320-995414639 INTERCHANGEABLE
Bushing,sleeve
Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
14639 Davey Compressor Co Div of Keco Industries Inc (USA)
14639 Drs Environmental Systems Inc (USA)
14639 PRIMARY Hdt Expeditionary Systems Inc (USA)
Related Parts
2920-00-810-7082INTERCHANGEABLE
SPARK PLUG
2226
2915-01-163-4586INTERCHANGEABLE
PUMP ASSY,FUEL
3120-01-320-9954INTERCHANGEABLE
BUSHING,SLEEVE
14639

Frequently Asked Questions

What is NSN 3120-01-064-6699?

NSN 3120-01-064-6699 is a Bearing Half,sleeve, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-064-6699?

NSN 3120-01-064-6699 has 3 cross-referenced part numbers: 14639 (Davey Compressor Co Div of Keco Industries Inc), 14639 (Drs Environmental Systems Inc), 14639 (Hdt Expeditionary Systems Inc).

What NSN replaces 3120-01-064-6699?

There are 3 known substitutes for 3120-01-064-6699: 2920-00-810-7082, 2915-01-163-4586, 3120-01-320-9954. Verify interchangeability with system specifications before substitution.

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