PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54A50C171-4Union,spear

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 4730-00-071-5167 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-071-5167 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-071-5167. Primary manufacturer part number: 54A50C171-4.
Features
  • Union,spear — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Union,spear, cataloged under National Stock Number 4730-00-071-5167, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameUnion,spear
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersL3harris Technologies, Inc. Div Space and Airborne Systems (CAGE 82340); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003)
Technical Specifications
ParameterValue
NSN4730-00-071-5167
Primary Part Number54A50C171-4
Item NameUnion,spear
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2520-00-383-963541084V INTERCHANGEABLE
Retainer,spring
Navistar Intl Corp Truck Br Ohio Plant
6150-00-489-0314 INTERCHANGEABLE
Wiring Harness
5360-00-551-708541-479 INTERCHANGEABLE
Spring,helical,torsion
Lockheed Martin Corporation Div Rms - Mitchel Field
6680-00-872-0779551YK INTERCHANGEABLE
Tachometer,mechanical,fixed Moun
Stewart-Warner Corporation
2520-01-084-05714-14-79 INTERCHANGEABLE
Cap,dust,propeller Shaft
Dana Corp Spicer Transmission Div
5120-01-528-385300941479000 INTERCHANGEABLE
Screwdriver,six Point Tip
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
41479 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
54A50C171-4 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
2520-00-383-9635INTERCHANGEABLE
RETAINER,SPRING
41084V
6150-00-489-0314INTERCHANGEABLE
WIRING HARNESS
5360-00-551-7085INTERCHANGEABLE
SPRING,HELICAL,TORSION
41-479
6680-00-872-0779INTERCHANGEABLE
TACHOMETER,MECHANICAL,FIXED MOUN
551YK
2520-01-084-0571INTERCHANGEABLE
CAP,DUST,PROPELLER SHAFT
4-14-79
5120-01-528-3853INTERCHANGEABLE
SCREWDRIVER,SIX POINT TIP
00941479000

Frequently Asked Questions

What is NSN 4730-00-071-5167?

NSN 4730-00-071-5167 is a Union,spear, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-071-5167?

NSN 4730-00-071-5167 has 2 cross-referenced part numbers: 41479 (L3harris Technologies, Inc. Div Space and Airborne Systems), 54A50C171-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 4730-00-071-5167?

There are 6 known substitutes for 4730-00-071-5167: 2520-00-383-9635, 6150-00-489-0314, 5360-00-551-7085 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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