PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43237Quill,valve

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-01-373-0128 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-373-0128 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-373-0128. Primary manufacturer part number: 43237.
Features
  • Quill,valve — FSC 4820
  • General Characteristics Item Description: ALUMINUM ALLOY (7075-T73 QQ-A-200/11); O/L 3.145 IN. MIN -3.155 IN. MAX; OD 1.052 IN. MIN. - 1.053 MAX; ID 0.876 IN. MIN. - 0.877 IN. MAX.; ALL INFO PROPRIETARY IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Quill,valve, cataloged under National Stock Number 4820-01-373-0128, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-373-0128
Primary Part Number43237
Item NameQuill,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY (7075-T73 QQ-A-200/11); O/L 3.145 IN. MIN -3.155 IN. MAX; OD 1.052 IN. MIN. - 1.053 MAX; ID 0.876 IN. MIN. - 0.877 IN. MAX.; ALL INFO PROPRIETARY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-154-4944 INTERCHANGEABLE
Seal,plain Encased
3030-00-528-4279 INTERCHANGEABLE
Belt,v
5315-01-271-934243237 INTERCHANGEABLE
Pin,straight,headless
Bourns Inc
2840-01-294-505443237 INTERCHANGEABLE
Stiffener,fuel Service Adapter
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
43237 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
5330-00-154-4944INTERCHANGEABLE
SEAL,PLAIN ENCASED
3030-00-528-4279INTERCHANGEABLE
BELT,V
5315-01-271-9342INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
43237
2840-01-294-5054INTERCHANGEABLE
STIFFENER,FUEL SERVICE ADAPTER
43237

Frequently Asked Questions

What is NSN 4820-01-373-0128?

NSN 4820-01-373-0128 is a Quill,valve, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-373-0128?

NSN 4820-01-373-0128 has 1 cross-referenced part number: 43237 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-01-373-0128?

There are 4 known substitutes for 4820-01-373-0128: 5330-00-154-4944, 3030-00-528-4279, 5315-01-271-9342 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43237?

Key specifications for 43237: General Characteristics Item Description: ALUMINUM ALLOY (7075-T73 QQ-A-200/11); O/L 3.145 IN. MIN -3.155 IN. MAX; OD 1.052 IN. MIN. - 1.053 MAX; ID 0.876 IN. MIN. - 0.877 IN. MAX.; ALL INFO PROPRIETARY IN. 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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