PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

174-030-32Coupling Half,quick Disconnect

Pauli Systems, Inc. Dba Pauli Systems Inc · NSN 4730-01-217-9987 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-217-9987 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-217-9987. Primary manufacturer part number: 174-030-32.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Quick Disconnect Method: TWO LUG UNIVERSAL ALL ENDS
  • Material: ALUMINUM ALLOY BODY
  • Connection Type: UNTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION
  • Connection Style: SOCKET ALL ENDS
  • Style Designator: MALE COUPLING HALF
  • First End Outside Diameter Hose Accommodated: 1.500 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-217-9987, 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 Pauli Systems, Inc. Dba Pauli Systems Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-217-9987
Primary Part Number174-030-32
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPauli Systems, Inc. Dba Pauli Systems Inc
StatusACTIVE
Quick Disconnect MethodTWO LUG UNIVERSAL ALL ENDS
MaterialALUMINUM ALLOY BODY
Connection TypeUNTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION
Connection StyleSOCKET ALL ENDS
Style DesignatorMALE COUPLING HALF
First End Outside Diameter Hose Accommodated1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-065-098102-R18C-21 INTERCHANGEABLE
Drill,twist
Us Air Tool Co Inc Dba Us Air Tool Co Inc
5845-00-179-475060-321 INTERCHANGEABLE
Ribbon,launcher
Triumph Thermal Systems - Maryland, Inc.
4510-00-202-5752R2325A-21 INTERCHANGEABLE
Drain,multiple,waste
Sanitary-Dash Mfg Co Inc
5935-00-479-8104 INTERCHANGEABLE
Connector,receptacle,electrical
2810-00-710-490671879 INTERCHANGEABLE
Seal,crankshaft Oil
Textron Lycoming Inc Williamsport Plant
1650-00-966-957660321 INTERCHANGEABLE
Parts Kit,valve
Meggitt North Hollywood Inc
4820-01-122-39726032-1 INTERCHANGEABLE
Valve,manifold
Snap-Tite Inc Dba Snap Tite Solenoid Valve Div
5945-01-147-2183603-21 INTERCHANGEABLE
Relay,solid State
Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
5340-01-160-687232059 INTERCHANGEABLE
Bracket,angle
Aluminum Co of America
6525-01-267-14976-0321 INTERCHANGEABLE
Film,nuclear Medicine
Defense Medical Standardization Board
Cross-Reference Index
Part NumberManufacturer
174-030-32 Pauli and Griffin Co Inc (USA)
CQ-3A Pauli and Griffin Co Inc (USA)
174-030-32 PRIMARY Pauli Systems, Inc. Dba Pauli Systems Inc (USA)
603-21 Pauli and Griffin Co Inc (USA)
Related Parts
5133-00-065-0981INTERCHANGEABLE
DRILL,TWIST
02-R18C-21
5845-00-179-4750INTERCHANGEABLE
RIBBON,LAUNCHER
60-321
4510-00-202-5752INTERCHANGEABLE
DRAIN,MULTIPLE,WASTE
R2325A-21
5935-00-479-8104INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2810-00-710-4906INTERCHANGEABLE
SEAL,CRANKSHAFT OIL
71879
1650-00-966-9576INTERCHANGEABLE
PARTS KIT,VALVE
60321
4820-01-122-3972INTERCHANGEABLE
VALVE,MANIFOLD
6032-1
5945-01-147-2183INTERCHANGEABLE
RELAY,SOLID STATE
603-21
5340-01-160-6872INTERCHANGEABLE
BRACKET,ANGLE
32059
6525-01-267-1497INTERCHANGEABLE
FILM,NUCLEAR MEDICINE
6-0321
8465-01-541-3976INTERCHANGEABLE
HYDRATION SYSTEM
60321
5140-01-554-3202INTERCHANGEABLE
CHEST,FIELD ARTILLERY MAINTENANC
60321

Frequently Asked Questions

What is NSN 4730-01-217-9987?

NSN 4730-01-217-9987 is a Coupling Half,quick Disconnect, manufactured by Pauli Systems, Inc. Dba Pauli Systems Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-217-9987?

NSN 4730-01-217-9987 has 4 cross-referenced part numbers: 174-030-32 (Pauli and Griffin Co Inc), CQ-3A (Pauli and Griffin Co Inc), 174-030-32 (Pauli Systems, Inc. Dba Pauli Systems Inc), 603-21 (Pauli and Griffin Co Inc).

What NSN replaces 4730-01-217-9987?

There are 12 known substitutes for 4730-01-217-9987: 5133-00-065-0981, 5845-00-179-4750, 4510-00-202-5752 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 174-030-32?

Key specifications for 174-030-32: Overall Length: 4.750 INCHES NOMINAL IN; Quick Disconnect Method: TWO LUG UNIVERSAL ALL ENDS; Material: ALUMINUM ALLOY BODY; Connection Type: UNTHREADED INTERNAL HOSE FIRST FLUID END CONNECTION. 8 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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