PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30931Guide,helical Compression Spring

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-01-227-8532 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-227-8532 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-227-8532. Primary manufacturer part number: 30931.
Features
  • Guide,helical Compression Spring — FSC 4820
  • General Characteristics Item Description: 2024 ALUMINUM ALLOY; ANODIZE; 1.25 IN. LG; USED ON 4820-01-149-7440 IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Guide,helical Compression Spring, cataloged under National Stock Number 4820-01-227-8532, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-227-8532
Primary Part Number30931
Item NameGuide,helical Compression Spring
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
General Characteristics Item Description2024 ALUMINUM ALLOY; ANODIZE; 1.25 IN. LG; USED ON 4820-01-149-7440 IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-167-42033093-01 INTERCHANGEABLE
Diaphragm,valve,flat
Watts Automatic Control Valve Inc
4810-01-073-307030931 INTERCHANGEABLE
Sleeve,directional Control Linea
Woodward Hrt Inc
5342-01-282-213430-931 INTERCHANGEABLE
Rod,special
Rosenboom Machine and Tool Inc
4730-01-373-5724NB7309314H INTERCHANGEABLE
Strainer Element,sediment
Leslie Controls, Inc. Dba Leslie Controls Inc
5340-01-422-926730931 INTERCHANGEABLE
Cap,protective,dust and Moisture
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
30931 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
4820-00-167-4203INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
3093-01
4810-01-073-3070INTERCHANGEABLE
SLEEVE,DIRECTIONAL CONTROL LINEA
30931
5342-01-282-2134INTERCHANGEABLE
ROD,SPECIAL
30-931
4730-01-373-5724INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
NB7309314H
5340-01-422-9267INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
30931

Frequently Asked Questions

What is NSN 4820-01-227-8532?

NSN 4820-01-227-8532 is a Guide,helical Compression Spring, 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 4820-01-227-8532?

NSN 4820-01-227-8532 has 1 cross-referenced part number: 30931 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-01-227-8532?

There are 5 known substitutes for 4820-01-227-8532: 4820-00-167-4203, 4810-01-073-3070, 5342-01-282-2134 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30931?

Key specifications for 30931: General Characteristics Item Description: 2024 ALUMINUM ALLOY; ANODIZE; 1.25 IN. LG; USED ON 4820-01-149-7440 IN; End Item Identification: B-1B. 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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