PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-2177934-C626AFValve,angle

Naval Ship Systems Command · NSN 4820-01-118-0381 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-118-0381 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-118-0381. Primary manufacturer part number: 803-2177934-C626AF.
Features
  • Valve,angle — FSC 4820
  • Valve Operation Method: MANUAL
  • Connection Style: REDUCED SOCKET ONE BRAZING RING (TUBE) ALL ENDS
  • Nominal Outside Diameter Tube Accommodated: 1.650 INCHES ALL ENDS IN
  • Furnished Items and Quantity: 1 HANDWHEEL
  • Operating Pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL CORROSION RESISTING STEM
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Stem construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-01-118-0381, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-118-0381
Primary Part Number803-2177934-C626AF
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Valve Operation MethodMANUAL
Connection StyleREDUCED SOCKET ONE BRAZING RING (TUBE) ALL ENDS
Nominal Outside Diameter Tube Accommodated1.650 INCHES ALL ENDS IN
Furnished Items and Quantity1 HANDWHEEL
Operating Pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL CORROSION RESISTING STEM
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MaterialCOPPER ALLOY BODY
Bonnet TypePACKING RETAINING
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Style DesignatorANGLE
Flow Control DeviceDISK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-871-893554386 INTERCHANGEABLE
Seat,valve
The Walworth Company
4820-01-026-8118 INTERCHANGEABLE
Valve,angle
4820-01-041-121951158-D-380 INTERCHANGEABLE
Seat,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-043-36262620-902ASSYCF1 1/2INPC4 INTERCHANGEABLE
Seat,valve
The Walworth Company
4820-01-067-365384094-F-940 INTERCHANGEABLE
Disk,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-071-98955160-B1-380 INTERCHANGEABLE
Seat,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-073-58492620-902 ASSYC1-2INPC4 INTERCHANGEABLE
Seat,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-075-6588803-2177934-X7XX-19 INTERCHANGEABLE
Seat,valve
Naval Ship Systems Command
5310-01-087-7113SS845-1889587PC6 1IN INTERCHANGEABLE
Locknut,disk Valve
Naval Ship Systems Command
4730-01-088-448470030854 INTERCHANGEABLE
Packing Nut
The Walworth Company
Cross-Reference Index
Part NumberManufacturer
845-1889587ASSYDV 1/2 IN Naval Ship Systems Command (USA)
803-2177934-C626AF PRIMARY Naval Ship Systems Command (USA)
803-2177934-C626 Naval Ship Systems Command (USA)
2620-902 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2620-902ASSYDV Electric Boat Corporation Div General Dynamics Electric Boat (USA)
SS845-1889587 Naval Ship Systems Command (USA)
2620-902ASSYDF 1 1/4IN Electric Boat Corporation Div General Dynamics Electric Boat (USA)
SS845-1889587ASSYDF 1 1/4IN PRIMARY Naval Ship Systems Command (USA)
845-1889587 Naval Ship Systems Command (USA)
SS845-1889587AS Naval Ship Systems Command (USA)
803-2177934 Naval Ship Systems Command (USA)
Related Parts
4820-00-871-8935INTERCHANGEABLE
SEAT,VALVE
54386
4820-01-026-8118INTERCHANGEABLE
VALVE,ANGLE
4820-01-041-1219INTERCHANGEABLE
SEAT,VALVE
51158-D-380
4820-01-043-3626INTERCHANGEABLE
SEAT,VALVE
2620-902ASSYCF1 1/2INPC4
4820-01-067-3653INTERCHANGEABLE
DISK,VALVE
84094-F-940
4820-01-071-9895INTERCHANGEABLE
SEAT,VALVE
5160-B1-380
4820-01-073-5849INTERCHANGEABLE
SEAT,VALVE
2620-902 ASSYC1-2INPC4
4820-01-075-6588INTERCHANGEABLE
SEAT,VALVE
803-2177934-X7XX-19
5310-01-087-7113INTERCHANGEABLE
LOCKNUT,DISK VALVE
SS845-1889587PC6 1IN
4730-01-088-4484INTERCHANGEABLE
PACKING NUT
70030854
4820-01-105-3572INTERCHANGEABLE
SEAT,VALVE
51163-F-380
4820-01-113-0783INTERCHANGEABLE
CAP,VALVE
2620-902ASSYB PIECE24 1-2IN

Frequently Asked Questions

What is NSN 4820-01-118-0381?

NSN 4820-01-118-0381 is a Valve,angle, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-118-0381?

NSN 4820-01-118-0381 has 11 cross-referenced part numbers: 845-1889587ASSYDV 1/2 IN (Naval Ship Systems Command), 803-2177934-C626AF (Naval Ship Systems Command), 803-2177934-C626 (Naval Ship Systems Command), 2620-902 (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-902ASSYDV (Electric Boat Corporation Div General Dynamics Electric Boat) and 6 more.

What NSN replaces 4820-01-118-0381?

There are 12 known substitutes for 4820-01-118-0381: 4820-00-871-8935, 4820-01-026-8118, 4820-01-041-1219 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-2177934-C626AF?

Key specifications for 803-2177934-C626AF: Valve Operation Method: MANUAL; Connection Style: REDUCED SOCKET ONE BRAZING RING (TUBE) ALL ENDS; Nominal Outside Diameter Tube Accommodated: 1.650 INCHES ALL ENDS IN; Furnished Items and Quantity: 1 HANDWHEEL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-118-0381 still in active supply?

NSN 4820-01-118-0381 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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