PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0144575Locknut,pipe

Ed Etnyre & Co · NSN 4730-01-323-3216 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-323-3216 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-323-3216. Primary manufacturer part number: 0144575.
Features
  • Locknut,pipe — FSC 4730
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.840 INCHES NOMINAL IN
  • Material: IRON OVERALL
  • Surface Treatment: ZINC OVERALL
  • Nut Style: PIPE LOCKNUT
  • Nominal Thread Size: 0.250 INCHES IN
  • Packing Recess Diameter: 0.660 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Locknut,pipe, cataloged under National Stock Number 4730-01-323-3216, 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 Ed Etnyre & Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, 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
NSN4730-01-323-3216
Primary Part Number0144575
Item NameLocknut,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEd Etnyre & Co
StatusACTIVE
Thread DirectionRIGHT-HAND
Width Across Flats0.840 INCHES NOMINAL IN
MaterialIRON OVERALL
Surface TreatmentZINC OVERALL
Nut StylePIPE LOCKNUT
Nominal Thread Size0.250 INCHES IN
Packing Recess Diameter0.660 INCHES NOMINAL IN
Thread SeriesNPT
Thread Quantity Per Inch18
Nut Height0.250 INCHES NOMINAL IN
Packing Recess Depth0.060 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-122-3969 INTERCHANGEABLE
Plug,pipe
4730-01-100-0109 INTERCHANGEABLE
Bushing,pipe
Cross-Reference Index
Part NumberManufacturer
0144575 Ed Etnyre & Co (USA)
WW-P-471-CQQBCB Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WW-P-471 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-59616 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59616CQQBCB Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A59616A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
144575 General Motors Corp (USA)
Related Parts
4730-00-122-3969INTERCHANGEABLE
PLUG,PIPE
4730-01-100-0109INTERCHANGEABLE
BUSHING,PIPE

Frequently Asked Questions

What is NSN 4730-01-323-3216?

NSN 4730-01-323-3216 is a Locknut,pipe, manufactured by Ed Etnyre & Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-323-3216?

NSN 4730-01-323-3216 has 7 cross-referenced part numbers: 0144575 (Ed Etnyre & Co), WW-P-471-CQQBCB (Federal Specifications Promulgated by General Services Administration Washington DC), WW-P-471 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-59616 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59616CQQBCB (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 2 more.

What NSN replaces 4730-01-323-3216?

There are 2 known substitutes for 4730-01-323-3216: 4730-00-122-3969, 4730-01-100-0109. Verify interchangeability with system specifications before substitution.

What are the specifications of 0144575?

Key specifications for 0144575: Thread Direction: RIGHT-HAND; Width Across Flats: 0.840 INCHES NOMINAL IN; Material: IRON OVERALL; Surface Treatment: ZINC OVERALL. 11 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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