PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58777Nut,tube Coupling

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4730-01-311-5518 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-311-5518 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-311-5518. Primary manufacturer part number: 58777.
Features
  • Nut,tube Coupling — FSC 4730
  • Material: STEEL COMP 316 OVERALL
  • 4 verified cross-references
  • Primary manufacturer: William Powell Company, the Dba Powell Valve Div the Starflo Corporation
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Nut,tube Coupling, cataloged under National Stock Number 4730-01-311-5518, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings 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 4 commercial cross-references 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
NSN4730-01-311-5518
Primary Part Number58777
Item NameNut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
MaterialSTEEL COMP 316 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2920-00-431-6584A009058777 INTERCHANGEABLE
Holder,brush
Prestolite Electric Inc
4820-01-043-0934E-47017 INTERCHANGEABLE
Flange,gland,valve
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
5330-01-054-9913581992-1 INTERCHANGEABLE
Seal,shaft
Honeywell International Inc. Div Aerospace - Torrance
5930-01-161-315168646 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
4730-01-312-562551420 INTERCHANGEABLE
Flange,pipe,swivel Retaining
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
Cross-Reference Index
Part NumberManufacturer
1F587771750000 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
68646 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
58777 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
68646 PIECE 18 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
2920-00-431-6584INTERCHANGEABLE
HOLDER,BRUSH
A009058777
4820-01-043-0934INTERCHANGEABLE
FLANGE,GLAND,VALVE
E-47017
5330-01-054-9913INTERCHANGEABLE
SEAL,SHAFT
581992-1
5930-01-161-3151INTERCHANGEABLE
SWITCH,FLOW
68646
4730-01-312-5625INTERCHANGEABLE
FLANGE,PIPE,SWIVEL RETAINING
51420

Frequently Asked Questions

What is NSN 4730-01-311-5518?

NSN 4730-01-311-5518 is a Nut,tube Coupling, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-311-5518?

NSN 4730-01-311-5518 has 4 cross-referenced part numbers: 1F587771750000 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 68646 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 58777 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 68646 PIECE 18 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4730-01-311-5518?

There are 5 known substitutes for 4730-01-311-5518: 2920-00-431-6584, 4820-01-043-0934, 5330-01-054-9913 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 58777?

Key specifications for 58777: Material: STEEL COMP 316 OVERALL. 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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