PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26659-5331Valve,relief,pressure and Temper

Actronics Incorporated Dba Actronics Inc · NSN 4820-01-553-7923 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-553-7923 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-553-7923. Primary manufacturer part number: 26659-5331.
Features
  • Valve,relief,pressure and Temper — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Actronics Incorporated Dba Actronics Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-553-7923, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Actronics Incorporated Dba Actronics Inc. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-553-7923
Primary Part Number26659-5331
Item NameValve,relief,pressure and Temper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerActronics Incorporated Dba Actronics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5960-00-001-2970B5856S INTERCHANGEABLE
Electron Tube
Unisys Corporation Dba Unisys Corp
5307-00-371-610711708 INTERCHANGEABLE
Stud,ball
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5305-00-930-126411708 INTERCHANGEABLE
Screw,machine
Naval Inventory Control Point Mechanicsburg
5330-00-950-197010-101949-12 INTERCHANGEABLE
Gasket
Amphenol Corp Div Amphenol Aerospace Operations
5935-01-135-262611708 INTERCHANGEABLE
Connector Assembly,electrical
Edo-Aire
5995-01-172-360721024371-101 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3040-01-349-900484001221 INTERCHANGEABLE
Ring Set,piston
Woodward Hrt Inc
5315-01-388-5767 INTERCHANGEABLE
Key,machine
6515-01-574-0850317.62 INTERCHANGEABLE
Drill,twist,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5120-01-654-1796 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
Cross-Reference Index
Part NumberManufacturer
26659-5331 Meggitt Aerospace Limited Div Meggitt Control Systems Birmingham (GBR)
26659-5331 PRIMARY Actronics Incorporated Dba Actronics Inc (USA)
11-708 PRIMARY Actronics Incorporated Dba Actronics Inc (USA)
968.32.11.597 Pilatus Aircraft Ltd (CHE)
Related Parts
5960-00-001-2970INTERCHANGEABLE
ELECTRON TUBE
B5856S
5307-00-371-6107INTERCHANGEABLE
STUD,BALL
11708
5305-00-930-1264INTERCHANGEABLE
SCREW,MACHINE
11708
5330-00-950-1970INTERCHANGEABLE
GASKET
10-101949-12
5935-01-135-2626INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
11708
5995-01-172-3607INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
21024371-101
3040-01-349-9004INTERCHANGEABLE
RING SET,PISTON
84001221
5315-01-388-5767INTERCHANGEABLE
KEY,MACHINE
6515-01-574-0850INTERCHANGEABLE
DRILL,TWIST,BONE
317.62
5120-01-654-1796INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR

Frequently Asked Questions

What is NSN 4820-01-553-7923?

NSN 4820-01-553-7923 is a Valve,relief,pressure and Temper, manufactured by Actronics Incorporated Dba Actronics Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-553-7923?

NSN 4820-01-553-7923 has 4 cross-referenced part numbers: 26659-5331 (Meggitt Aerospace Limited Div Meggitt Control Systems Birmingham), 26659-5331 (Actronics Incorporated Dba Actronics Inc), 11-708 (Actronics Incorporated Dba Actronics Inc), 968.32.11.597 (Pilatus Aircraft Ltd).

What NSN replaces 4820-01-553-7923?

There are 10 known substitutes for 4820-01-553-7923: 5960-00-001-2970, 5307-00-371-6107, 5305-00-930-1264 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26659-5331?

Key specifications for 26659-5331: End Item Identification: VALVES, NONPOWERED. 1 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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