PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

055381 ITEM 18Ring

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 5365-01-212-8041 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-212-8041 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-212-8041. Primary manufacturer part number: 055381 ITEM 18.
Features
  • Ring — FSC 5365
  • General Characteristics Item Description: STEEL,ASTM A473,TYPE 416
  • 2 verified cross-references
  • Primary manufacturer: William Powell Company, the Dba Powell Valve Div the Starflo Corporation
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring, cataloged under National Stock Number 5365-01-212-8041, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-212-8041
Primary Part Number055381 ITEM 18
Item NameRing
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
General Characteristics Item DescriptionSTEEL,ASTM A473,TYPE 416
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6150-00-705-8651100040 INTERCHANGEABLE
Lead,electrical
Mission Systems Davenport Inc.
4320-00-888-603255708 INTERCHANGEABLE
Cage,ball,release
Templeton Kenly and Co Inc
4730-01-088-8335300040 INTERCHANGEABLE
Elbow,pipe to Tube
Kold-Ban International Ltd Div Kbi
4320-01-216-9445100-6-150 INTERCHANGEABLE
Pump,hydraulic Ram,hand Driven
Tr Engineering, Inc Div Tr Engineering Incorporated
5895-01-303-8358 INTERCHANGEABLE
Converter,frequency,electronic
5985-01-326-7233 INTERCHANGEABLE
Isolator,radio Frequency Reflect
6515-01-419-6393100040 INTERCHANGEABLE
Mask,airway,laryngeal
Teleflex Medical Incorporated Dba Teleflex Medical Inc
9515-01-513-001714201795 INTERCHANGEABLE
Plate,metal
Klein Marine Systems Inc
5340-01-529-6248100040 INTERCHANGEABLE
Bracket,mounting
Tim Price Inc. Dba Tim Price Inc
6120-01-728-1396100040 INTERCHANGEABLE
Power Supply,radar
L3 Technologies, Inc. Div L3 Keo
Cross-Reference Index
Part NumberManufacturer
100040 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
055381 ITEM 18 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
6150-00-705-8651INTERCHANGEABLE
LEAD,ELECTRICAL
100040
4320-00-888-6032INTERCHANGEABLE
CAGE,BALL,RELEASE
55708
4730-01-088-8335INTERCHANGEABLE
ELBOW,PIPE TO TUBE
300040
4320-01-216-9445INTERCHANGEABLE
PUMP,HYDRAULIC RAM,HAND DRIVEN
100-6-150
5895-01-303-8358INTERCHANGEABLE
CONVERTER,FREQUENCY,ELECTRONIC
5985-01-326-7233INTERCHANGEABLE
ISOLATOR,RADIO FREQUENCY REFLECT
6515-01-419-6393INTERCHANGEABLE
MASK,AIRWAY,LARYNGEAL
100040
9515-01-513-0017INTERCHANGEABLE
PLATE,METAL
14201795
5340-01-529-6248INTERCHANGEABLE
BRACKET,MOUNTING
100040
6120-01-728-1396INTERCHANGEABLE
POWER SUPPLY,RADAR
100040

Frequently Asked Questions

What is NSN 5365-01-212-8041?

NSN 5365-01-212-8041 is a Ring, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-212-8041?

NSN 5365-01-212-8041 has 2 cross-referenced part numbers: 100040 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 055381 ITEM 18 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 5365-01-212-8041?

There are 10 known substitutes for 5365-01-212-8041: 6150-00-705-8651, 4320-00-888-6032, 4730-01-088-8335 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 055381 ITEM 18?

Key specifications for 055381 ITEM 18: General Characteristics Item Description: STEEL,ASTM A473,TYPE 416. 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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