PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2544Adapter Assembly,filler Cap

Wisco Products Inc · NSN 4730-00-056-4875 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-056-4875 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-056-4875. Primary manufacturer part number: 2544.
Features
  • Adapter Assembly,filler Cap — FSC 4730
  • Criticality Code Justification: FEAT
  • General Characteristics Item Description: STEEL,CADMIUM PLATED,QQ-P-416,TYPE 1,CLASS 2. EXTERNAL THD 2.312-18,NF THD. WITH 5.250 IN. LG SAFETY CHAIN AND CHAIN ANCHOR IN
  • 4 verified cross-references
  • Primary manufacturer: Wisco Products Inc
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Adapter Assembly,filler Cap, cataloged under National Stock Number 4730-00-056-4875, 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 Wisco Products Inc. Government technical data includes 2 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
NSN4730-00-056-4875
Primary Part Number2544
Item NameAdapter Assembly,filler Cap
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerWisco Products Inc
StatusACTIVE
Criticality Code JustificationFEAT
General Characteristics Item DescriptionSTEEL,CADMIUM PLATED,QQ-P-416,TYPE 1,CLASS 2. EXTERNAL THD 2.312-18,NF THD. WITH 5.250 IN. LG SAFETY CHAIN AND CHAIN ANCHOR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4130-00-081-5399TIP01778-28SEP71 INTERCHANGEABLE
Filter-Drier,refrigerant
Cecom Lr Center
5940-00-110-58802544 INTERCHANGEABLE
Splice,conductor
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
4730-00-370-4832GA1477 INTERCHANGEABLE
Adapter,tank Filler
Eaton Corporation
4910-00-403-8166FC2544 INTERCHANGEABLE
Neck,filler
Wisco Products Inc
5998-00-629-29513432362 INTERCHANGEABLE
Circuit Card Assembly
Raytheon Company Dba Raytheon
5975-00-669-9884 INTERCHANGEABLE
Box Connector,electrical
5930-00-757-54292544 INTERCHANGEABLE
Switch,rotary
Lockheed Martin Corp
5305-01-018-01262544 INTERCHANGEABLE
Screw,machine
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5935-01-113-17362606F INTERCHANGEABLE
Adapter,connector
Maury Microwave, Inc. Dba Maury Microwave
4820-01-136-773112D 2 1/2IN INTERCHANGEABLE
Valve,check
Admiral Valve Llc Dba Cpv Manufacturing
Cross-Reference Index
Part NumberManufacturer
39B4233 Wisco Products Inc (USA)
2544 Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters (USA)
2544 PRIMARY Wisco Products Inc (USA)
FC-2544 Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters (USA)
Related Parts
4130-00-081-5399INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
TIP01778-28SEP71
5940-00-110-5880INTERCHANGEABLE
SPLICE,CONDUCTOR
2544
4730-00-370-4832INTERCHANGEABLE
ADAPTER,TANK FILLER
GA1477
4910-00-403-8166INTERCHANGEABLE
NECK,FILLER
FC2544
5998-00-629-2951INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3432362
5975-00-669-9884INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5930-00-757-5429INTERCHANGEABLE
SWITCH,ROTARY
2544
5305-01-018-0126INTERCHANGEABLE
SCREW,MACHINE
2544
5935-01-113-1736INTERCHANGEABLE
ADAPTER,CONNECTOR
2606F
4820-01-136-7731INTERCHANGEABLE
VALVE,CHECK
12D 2 1/2IN
3010-01-273-0310INTERCHANGEABLE
COUPLING,SHAFT,RIGID
2544
8465-01-567-0900INTERCHANGEABLE
BAG,INDIVIDUAL EQUIPMENT,CARRIER
2544

Frequently Asked Questions

What is NSN 4730-00-056-4875?

NSN 4730-00-056-4875 is a Adapter Assembly,filler Cap, manufactured by Wisco Products Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-056-4875?

NSN 4730-00-056-4875 has 4 cross-referenced part numbers: 39B4233 (Wisco Products Inc), 2544 (Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters), 2544 (Wisco Products Inc), FC-2544 (Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters).

What NSN replaces 4730-00-056-4875?

There are 12 known substitutes for 4730-00-056-4875: 4130-00-081-5399, 5940-00-110-5880, 4730-00-370-4832 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2544?

Key specifications for 2544: Criticality Code Justification: FEAT; General Characteristics Item Description: STEEL,CADMIUM PLATED,QQ-P-416,TYPE 1,CLASS 2. EXTERNAL THD 2.312-18,NF THD. WITH 5.250 IN. LG SAFETY CHAIN AND CHAIN ANCHOR IN; Special Features: WEAPONS SYSTEMS ESSENTIAL; End Item Identification: FILLER CAP,AIRCRAFT FUEL TANK. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com