PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

510-7Diaphragm,valve,flat

Tescom Corp Dba Tescom Div Tescom · NSN 4820-01-544-1494 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-544-1494 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-544-1494. Primary manufacturer part number: 510-7.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 1 verified cross-reference
  • Primary manufacturer: Tescom Corp Dba Tescom Div Tescom
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-544-1494, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-544-1494
Primary Part Number510-7
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTescom Corp Dba Tescom Div Tescom
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2540-00-378-8232165691-10 INTERCHANGEABLE
Blade,windshield Wiper
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1005-00-830-25165107 INTERCHANGEABLE
Nut,windage,rear
Smith & Wesson Sales Company
5935-00-951-80525107 INTERCHANGEABLE
Connector,receptacle,electrical
Souriau Usa, Inc. Dba Souriau Usa Inc
5935-01-133-9500ADT-2582-NF-SMM-02 INTERCHANGEABLE
Adapter,connector
Cinch Connectivity Solutions Inc
5930-01-311-6784 INTERCHANGEABLE
Switch,thermostatic
6510-01-368-26595107 INTERCHANGEABLE
Adhesive Tape,surgical
Johnson and Johnson Medical Inc Sub of Johnson and Johnson
5330-01-417-14165-107 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
2540-01-565-50125107 INTERCHANGEABLE
Box,accessories Stowage
Wright Tool Company, Llc
6145-01-587-4664396-103 INTERCHANGEABLE
Wire,electrical
Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering
5995-01-599-77185107 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Ultra Electronics Advanced Tactical Systems Inc Dba Ultra Electronics Advanced Tactical Systems Inc Div Advanced Tactical Systems
Cross-Reference Index
Part NumberManufacturer
510-7 Tescom Corp Dba Tescom Div Tescom (USA)
Related Parts
2540-00-378-8232INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
165691-10
1005-00-830-2516INTERCHANGEABLE
NUT,WINDAGE,REAR
5107
5935-00-951-8052INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5107
5935-01-133-9500INTERCHANGEABLE
ADAPTER,CONNECTOR
ADT-2582-NF-SMM-02
5930-01-311-6784INTERCHANGEABLE
SWITCH,THERMOSTATIC
6510-01-368-2659INTERCHANGEABLE
ADHESIVE TAPE,SURGICAL
5107
5330-01-417-1416INTERCHANGEABLE
PACKING,PREFORMED
5-107
2540-01-565-5012INTERCHANGEABLE
BOX,ACCESSORIES STOWAGE
5107
6145-01-587-4664INTERCHANGEABLE
WIRE,ELECTRICAL
396-103
5995-01-599-7718INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5107
5920-01-719-7931INTERCHANGEABLE
FUSE,ENCLOSED LINK
5107

Frequently Asked Questions

What is NSN 4820-01-544-1494?

NSN 4820-01-544-1494 is a Diaphragm,valve,flat, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-544-1494?

NSN 4820-01-544-1494 has 1 cross-referenced part number: 510-7 (Tescom Corp Dba Tescom Div Tescom).

What NSN replaces 4820-01-544-1494?

There are 11 known substitutes for 4820-01-544-1494: 2540-00-378-8232, 1005-00-830-2516, 5935-00-951-8052 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 510-7?

Key specifications for 510-7: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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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