PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8500-52Extention Housing

Hjm Precision, Inc · NSN 6650-01-576-1589 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-576-1589 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-576-1589. Primary manufacturer part number: 8500-52.
Features
  • Extention Housing — FSC 6650
  • 1 verified cross-reference
  • Primary manufacturer: Hjm Precision, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Extention Housing, cataloged under National Stock Number 6650-01-576-1589, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hjm Precision, Inc. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN6650-01-576-1589
Primary Part Number8500-52
Item NameExtention Housing
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerHjm Precision, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5915-00-055-7845H918 INTERCHANGEABLE
Network,pulse Forming
Sprague Electric Co World Hqs
4320-01-032-8166840898 INTERCHANGEABLE
Plate,pressure,rotary Pump
David Brown Hydraulics Inc Dba Hydreco
6520-01-137-845301-0103 INTERCHANGEABLE
Retractor,oral
Biomet Microfixation, Llc Div Biomet Microfixation
Cross-Reference Index
Part NumberManufacturer
8500-52 PRIMARY Hjm Precision, Inc (USA)
Related Parts
5915-00-055-7845INTERCHANGEABLE
NETWORK,PULSE FORMING
H918
4320-01-032-8166INTERCHANGEABLE
PLATE,PRESSURE,ROTARY PUMP
840898
6520-01-137-8453INTERCHANGEABLE
RETRACTOR,ORAL
01-0103

Frequently Asked Questions

What is NSN 6650-01-576-1589?

NSN 6650-01-576-1589 is a Extention Housing, manufactured by Hjm Precision, Inc, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-576-1589?

NSN 6650-01-576-1589 has 1 cross-referenced part number: 8500-52 (Hjm Precision, Inc).

What NSN replaces 6650-01-576-1589?

There are 3 known substitutes for 6650-01-576-1589: 5915-00-055-7845, 4320-01-032-8166, 6520-01-137-8453. Verify interchangeability with system specifications before substitution.

What are the specifications of 8500-52?

Key specifications for 8500-52: End Item Identification: 6650-01-562-9944; DIAL BORE GAUGE AND CASE, MODEL 1021. 1 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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