PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS20813-1Cap,valve

Leonardo Uk Ltd · NSN 1650-00-222-4525 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-222-4525 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-222-4525. Primary manufacturer part number: MS20813-1.
Features
  • Cap,valve — FSC 1650
  • 43 verified cross-references
  • Primary manufacturer: Leonardo Uk Ltd
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cap,valve, cataloged under National Stock Number 1650-00-222-4525, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Leonardo Uk Ltd. This item has 43 commercial cross-references from 27 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameCap,valve
FSC / FSG1650 — No Item Name Available (FSG 16)
ManufacturersLeonardo Uk Ltd (CAGE K0668); National Distillers and Chemical Corp Bridgeport Brass Co Div (CAGE 08588); Aeronautical Standards Group Dept of Navy and Air Force (CAGE 88044); Scovill Inc Schrader Bellows Div (CAGE 53477); Feinmechanische Werke Mainz Gmbh (CAGE D5589)
Technical Specifications
ParameterValue
NSN1650-00-222-4525
Primary Part NumberMS20813-1
Item NameCap,valve
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerLeonardo Uk Ltd
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5315-00-014-2508142508 INTERCHANGEABLE
Pin,grooved,headless
Chrysler Realty Company Llc Dba Daimler Chrysler
3120-00-113-4804 INTERCHANGEABLE
Bushing,sleeve
2640-00-152-2295 INTERCHANGEABLE
Cap,pneumatic Valve
3020-00-517-1716172694 INTERCHANGEABLE
Gear,spur
Lockheed Martin Corporation Div Rms - Mitchel Field
4820-00-533-3969252-5A INTERCHANGEABLE
Seat,valve
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5905-00-636-9578AN8131 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Raytheon Company Dba Raytheon Co
5307-00-714-634568751 INTERCHANGEABLE
Stud
Textron Lycoming Inc Williamsport Plant
2520-00-802-41031-1275 INTERCHANGEABLE
Spider,universal Joint,vehicular
Neapco Inc
6130-01-449-7594 INTERCHANGEABLE
Charger,battery
4440-01-693-50078734509-004 INTERCHANGEABLE
Drier,air-Gas,desiccant
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
MS20813-1 Leonardo Uk Ltd (GBR)
713 National Distillers and Chemical Corp Bridgeport Brass Co Div (USA)
AN813-1A Aeronautical Standards Group Dept of Navy and Air Force (USA)
2525 Scovill Inc Schrader Bellows Div (USA)
7973537 Feinmechanische Werke Mainz Gmbh (DEU)
53083 Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
2525A Scovill Inc Schrader Bellows Div (USA)
VC5 The Tire & Rim Association Inc (USA)
7973537 Liebherr-Aerospace Lindenberg Gmbh (DEU)
637 Eaton Corporation Dba Air Controls Division Div Air Controls Division (USA)
MS20813-1 Hydro-Fitting Manufacturing Corporation (USA)
2640-222-4525 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
1650PL1868022 Jednolity Indeks Materialowy - Uniform Material Index (POL)
HF20813-1 Hydro-Fitting Manufacturing Corporation (USA)
1650002224525 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
VC5 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
MS20813-1 Leonardo Spa Helicopters Division - Production Site (ITA)
AN813-1 Aeronautical Standards Group Dept of Navy and Air Force (USA)
454053 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
25704-281410-07-0 Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke (DEU)
Related Parts
5315-00-014-2508INTERCHANGEABLE
PIN,GROOVED,HEADLESS
142508
3120-00-113-4804INTERCHANGEABLE
BUSHING,SLEEVE
2640-00-152-2295INTERCHANGEABLE
CAP,PNEUMATIC VALVE
3020-00-517-1716INTERCHANGEABLE
GEAR,SPUR
172694
4820-00-533-3969INTERCHANGEABLE
SEAT,VALVE
252-5A
5905-00-636-9578INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
AN8131
5307-00-714-6345INTERCHANGEABLE
STUD
68751
2520-00-802-4103INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
1-1275
6130-01-449-7594INTERCHANGEABLE
CHARGER,BATTERY
4440-01-693-5007INTERCHANGEABLE
DRIER,AIR-GAS,DESICCANT
8734509-004

Frequently Asked Questions

What is NSN 1650-00-222-4525?

NSN 1650-00-222-4525 is a Cap,valve, manufactured by Leonardo Uk Ltd, classified under FSC 1650 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1650-00-222-4525?

NSN 1650-00-222-4525 has 43 cross-referenced part numbers: MS20813-1 (Leonardo Uk Ltd), 713 (National Distillers and Chemical Corp Bridgeport Brass Co Div), AN813-1A (Aeronautical Standards Group Dept of Navy and Air Force), 2525 (Scovill Inc Schrader Bellows Div), 7973537 (Feinmechanische Werke Mainz Gmbh) and 38 more.

What NSN replaces 1650-00-222-4525?

There are 10 known substitutes for 1650-00-222-4525: 5315-00-014-2508, 3120-00-113-4804, 2640-00-152-2295 and 7 more. Verify interchangeability with system specifications before substitution.

Is NSN 1650-00-222-4525 still in active supply?

NSN 1650-00-222-4525 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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