PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10270-2ASSY1B 2621-906-13Valve,globe

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4820-01-077-7203 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-077-7203 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-077-7203. Primary manufacturer part number: 10270-2ASSY1B 2621-906-13.
Features
  • Valve,globe — FSC 4820
  • Valve Operation Method: MANUAL
  • Material: NICKEL ALLOY K-500 STEM
  • Style Designator: STRAIGHT THRU
  • Bonnet Type: PACKING RETAINING
  • Connection Style: SOCKET ALL ENDS
  • Material Document and Classification: MIL-P-5516,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE PACKING
  • Material: COPPER ALLOY 715 BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy K-500 Stem construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-01-077-7203, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN4820-01-077-7203
Primary Part Number10270-2ASSY1B 2621-906-13
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusCANCELLED
Valve Operation MethodMANUAL
MaterialNICKEL ALLOY K-500 STEM
Style DesignatorSTRAIGHT THRU
Bonnet TypePACKING RETAINING
Connection StyleSOCKET ALL ENDS
Material Document and ClassificationMIL-P-5516,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE PACKING
MaterialCOPPER ALLOY 715 BODY
Material Document and ClassificationQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE STEM
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
Nominal Pipe Size Accommodated0.250 INCHES ALL ENDS IN
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Material Document and ClassificationMIL-C-15726,COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE BODY
Flow Control DeviceSTEM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2810-00-118-835310270 INTERCHANGEABLE
Tube
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3455-00-194-052910270 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5133-00-227-5992 INTERCHANGEABLE
Drill,twist
5950-00-250-7738 INTERCHANGEABLE
Reactor
8030-00-268-793410270 INTERCHANGEABLE
Molding Compound
Illinois Tool Works Inc. Dba Illinois Tool Works Inc
1680-00-371-002110270-5 INTERCHANGEABLE
Reservoir,windshield Washer Pump
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
5925-00-422-848610-270 INTERCHANGEABLE
Thermal Release,circuit Breaker
Eaton Corp Opns & Technical Center
5925-00-422-848710-270-2 INTERCHANGEABLE
Thermal Release,circuit Breaker
Eaton Corp Opns & Technical Center
6640-00-426-025010-270 INTERCHANGEABLE
Forceps,pinning,entomological Sp
Fisher Scientific Company L.l.c.
5950-00-430-69049100-2252 INTERCHANGEABLE
Coil,radio Frequency
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
10270 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
2632-915X5 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
10270-2ASSY1B 2621-906-13 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
10270-2 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
2632-915X5ASSYB PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
2810-00-118-8353INTERCHANGEABLE
TUBE
10270
3455-00-194-0529INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10270
5133-00-227-5992INTERCHANGEABLE
DRILL,TWIST
5950-00-250-7738INTERCHANGEABLE
REACTOR
8030-00-268-7934INTERCHANGEABLE
MOLDING COMPOUND
10270
1680-00-371-0021INTERCHANGEABLE
RESERVOIR,WINDSHIELD WASHER PUMP
10270-5
5925-00-422-8486INTERCHANGEABLE
THERMAL RELEASE,CIRCUIT BREAKER
10-270
5925-00-422-8487INTERCHANGEABLE
THERMAL RELEASE,CIRCUIT BREAKER
10-270-2
6640-00-426-0250INTERCHANGEABLE
FORCEPS,PINNING,ENTOMOLOGICAL SP
10-270
5950-00-430-6904INTERCHANGEABLE
COIL,RADIO FREQUENCY
9100-2252
3030-00-433-6957INTERCHANGEABLE
BELTS,V,MATCHED SET
1S1208
5985-00-434-5724INTERCHANGEABLE
SUPPORT,WAVEGUIDE
102702

Frequently Asked Questions

What is NSN 4820-01-077-7203?

NSN 4820-01-077-7203 is a Valve,globe, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-077-7203?

NSN 4820-01-077-7203 has 5 cross-referenced part numbers: 10270 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 2632-915X5 (Electric Boat Corporation Div General Dynamics Electric Boat), 10270-2ASSY1B 2621-906-13 (Electric Boat Corporation Div General Dynamics Electric Boat), 10270-2 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 2632-915X5ASSYB (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 4820-01-077-7203?

There are 12 known substitutes for 4820-01-077-7203: 2810-00-118-8353, 3455-00-194-0529, 5133-00-227-5992 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10270-2ASSY1B 2621-906-13?

Key specifications for 10270-2ASSY1B 2621-906-13: Valve Operation Method: MANUAL; Material: NICKEL ALLOY K-500 STEM; Style Designator: STRAIGHT THRU; Bonnet Type: PACKING RETAINING. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-077-7203 still in active supply?

NSN 4820-01-077-7203 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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