PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HC-1029Register,air

Tronair Inc · NSN 4520-01-551-5795 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-551-5795 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-551-5795. Primary manufacturer part number: HC-1029.
Features
  • Register,air — FSC 4520
  • 1 verified cross-reference
  • Primary manufacturer: Tronair Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Register,air, cataloged under National Stock Number 4520-01-551-5795, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Tronair Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-551-5795
Primary Part NumberHC-1029
Item NameRegister,air
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerTronair Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5999-00-221-650622360 INTERCHANGEABLE
Cap,electrical
Raytheon Company Dba Raytheon
4730-01-622-3063HC-1029 INTERCHANGEABLE
Restrictor,fluid Flow
Tronair, Inc. Div Tronair
Cross-Reference Index
Part NumberManufacturer
HC-1029 PRIMARY Tronair Inc (USA)
Related Parts
5999-00-221-6506INTERCHANGEABLE
CAP,ELECTRICAL
22360
4730-01-622-3063INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
HC-1029

Frequently Asked Questions

What is NSN 4520-01-551-5795?

NSN 4520-01-551-5795 is a Register,air, manufactured by Tronair Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-551-5795?

NSN 4520-01-551-5795 has 1 cross-referenced part number: HC-1029 (Tronair Inc).

What NSN replaces 4520-01-551-5795?

There are 2 known substitutes for 4520-01-551-5795: 5999-00-221-6506, 4730-01-622-3063. Verify interchangeability with system specifications before substitution.

What are the specifications of HC-1029?

Key specifications for HC-1029: End Item Identification: TEST SET, HYDRAULIC SYSTEM; Special Features: DIFFUSER. 2 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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