PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

216000Test Rack

Mrl Inc · NSN 4920-00-565-3521 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-565-3521 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-565-3521. Primary manufacturer part number: 216000.
Features
  • Test Rack — FSC 4920
  • FSC Application Data: TEST SET,INDICATOR,ACFT
  • 3 verified cross-references
  • Primary manufacturer: Mrl Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Rack, cataloged under National Stock Number 4920-00-565-3521, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Mrl Inc. Government technical data includes 1 verified specification, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-00-565-3521
Primary Part Number216000
Item NameTest Rack
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerMrl Inc
StatusACTIVE
FSC Application DataTEST SET,INDICATOR,ACFT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-107-2678 INTERCHANGEABLE
Transistor
1660-00-625-8316 INTERCHANGEABLE
Linkage and Webbing
5210-00-857-344416 INTERCHANGEABLE
Level,cylindrical,circular Vial
Geier & Bluhm, Inc.
5210-00-999-77082-16000 INTERCHANGEABLE
Level,cylindrical,circular Vial
Geier & Bluhm, Inc.
5330-01-117-7319216000A INTERCHANGEABLE
Gasket
Dresser, Llc
4820-01-584-64522160-00 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
216000 Mrl Inc (USA)
0A1571ARM31 Boustead Electric and Mfg Co (USA)
961AM10 Cosmos Industries Inc (USA)
Related Parts
5961-00-107-2678INTERCHANGEABLE
TRANSISTOR
1660-00-625-8316INTERCHANGEABLE
LINKAGE AND WEBBING
5210-00-857-3444INTERCHANGEABLE
LEVEL,CYLINDRICAL,CIRCULAR VIAL
16
5210-00-999-7708INTERCHANGEABLE
LEVEL,CYLINDRICAL,CIRCULAR VIAL
2-16000
5330-01-117-7319INTERCHANGEABLE
GASKET
216000A
4820-01-584-6452INTERCHANGEABLE
SEAT,VALVE
2160-00

Frequently Asked Questions

What is NSN 4920-00-565-3521?

NSN 4920-00-565-3521 is a Test Rack, manufactured by Mrl Inc, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-565-3521?

NSN 4920-00-565-3521 has 3 cross-referenced part numbers: 216000 (Mrl Inc), 0A1571ARM31 (Boustead Electric and Mfg Co), 961AM10 (Cosmos Industries Inc).

What NSN replaces 4920-00-565-3521?

There are 6 known substitutes for 4920-00-565-3521: 5961-00-107-2678, 1660-00-625-8316, 5210-00-857-3444 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 216000?

Key specifications for 216000: FSC Application Data: TEST SET,INDICATOR,ACFT. 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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