PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40240Valve Core

Hutchinson Industries, Inc Div Defense and Industry · NSN 4820-01-691-8184 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-691-8184 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-691-8184. Primary manufacturer part number: 40240.
Features
  • Valve Core — FSC 4820
  • Accessory Type: VALVE
  • 2 verified cross-references
  • Primary manufacturer: Hutchinson Industries, Inc Div Defense and Industry
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Core, cataloged under National Stock Number 4820-01-691-8184, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hutchinson Industries, Inc Div Defense and Industry. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-691-8184
Primary Part Number40240
Item NameValve Core
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHutchinson Industries, Inc Div Defense and Industry
StatusACTIVE
Accessory TypeVALVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2530-00-006-6259F17681 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5961-00-554-0088 INTERCHANGEABLE
Transistor
3110-01-267-008240240 INTERCHANGEABLE
Bearing,ball,annular
L & R Manufacturing Company
4310-01-333-193940240 INTERCHANGEABLE
Compressor,rotary
Aps Systems, Inc Dba Eidal International Corp
6680-01-539-718540240 INTERCHANGEABLE
Switch,liquid Level
Hdt Expeditionary Systems Inc
5305-01-547-97748T-1572 INTERCHANGEABLE
Screw,cap,socket Head
Caterpillar Inc Div Caterpillar Defense
3010-01-632-776640240 INTERCHANGEABLE
Nrp,actuator Lso WS
Exlar Corporation
Cross-Reference Index
Part NumberManufacturer
4420587 Oshkosh Defense Llc (USA)
40240 PRIMARY Hutchinson Industries, Inc Div Defense and Industry (USA)
Related Parts
2530-00-006-6259INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
F17681
5961-00-554-0088INTERCHANGEABLE
TRANSISTOR
3110-01-267-0082INTERCHANGEABLE
BEARING,BALL,ANNULAR
40240
4310-01-333-1939INTERCHANGEABLE
COMPRESSOR,ROTARY
40240
6680-01-539-7185INTERCHANGEABLE
SWITCH,LIQUID LEVEL
40240
5305-01-547-9774INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
8T-1572
3010-01-632-7766INTERCHANGEABLE
NRP,ACTUATOR LSO WS
40240

Frequently Asked Questions

What is NSN 4820-01-691-8184?

NSN 4820-01-691-8184 is a Valve Core, manufactured by Hutchinson Industries, Inc Div Defense and Industry, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-691-8184?

NSN 4820-01-691-8184 has 2 cross-referenced part numbers: 4420587 (Oshkosh Defense Llc), 40240 (Hutchinson Industries, Inc Div Defense and Industry).

What NSN replaces 4820-01-691-8184?

There are 7 known substitutes for 4820-01-691-8184: 2530-00-006-6259, 5961-00-554-0088, 3110-01-267-0082 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40240?

Key specifications for 40240: Part Name Assigned by Controlling Agency: CORE, VALVE STEM; Accessory Type: VALVE; End Item Identification: 2330-01-653-9745;TRAILER,CARGO. 3 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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