PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

510-34Stem,safety Valve

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-01-116-6847 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-116-6847 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-116-6847. Primary manufacturer part number: 510-34.
Features
  • Stem,safety Valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • 6 verified cross-references
  • Primary manufacturer: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,safety Valve, cataloged under National Stock Number 4820-01-116-6847, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-116-6847
Primary Part Number510-34
Item NameStem,safety Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5133-00-266-9462 INTERCHANGEABLE
Drill,twist
5340-00-281-9896 INTERCHANGEABLE
Button,plug
5330-00-731-858751034 INTERCHANGEABLE
Gasket
Suntec Industries Inc Del Dba Suntec
1650-00-783-407751034 INTERCHANGEABLE
Parts Kit,valve
Woodward Hrt Inc
4820-01-159-5695510-34 INTERCHANGEABLE
Disk,valve
Tescom Corp Dba Tescom Div Tescom
7510-01-214-53714300 INTERCHANGEABLE
Ribbon,inking
Supplies Intl
3020-01-243-6343CMP-18-236 INTERCHANGEABLE
Chain,roller
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
6130-01-582-5918 INTERCHANGEABLE
Charger,battery
Cross-Reference Index
Part NumberManufacturer
510-34 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
01010-5 ITEM 17 Tescom Corp Dba Tescom Div Tescom (USA)
510-34 Tescom Corp Dba Tescom Div Tescom (USA)
01010-5 ITEM 17 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
01010-5PC17(SPCLN) Tescom Corp Instrument Div (USA)
510-34(SPCLN) Tescom Corp Instrument Div (USA)
Related Parts
5133-00-266-9462INTERCHANGEABLE
DRILL,TWIST
5340-00-281-9896INTERCHANGEABLE
BUTTON,PLUG
5330-00-731-8587INTERCHANGEABLE
GASKET
51034
1650-00-783-4077INTERCHANGEABLE
PARTS KIT,VALVE
51034
4820-01-159-5695INTERCHANGEABLE
DISK,VALVE
510-34
7510-01-214-5371INTERCHANGEABLE
RIBBON,INKING
4300
3020-01-243-6343INTERCHANGEABLE
CHAIN,ROLLER
CMP-18-236
6130-01-582-5918INTERCHANGEABLE
CHARGER,BATTERY

Frequently Asked Questions

What is NSN 4820-01-116-6847?

NSN 4820-01-116-6847 is a Stem,safety Valve, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-116-6847?

NSN 4820-01-116-6847 has 6 cross-referenced part numbers: 510-34 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 01010-5 ITEM 17 (Tescom Corp Dba Tescom Div Tescom), 510-34 (Tescom Corp Dba Tescom Div Tescom), 01010-5 ITEM 17 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 01010-5PC17(SPCLN) (Tescom Corp Instrument Div) and 1 more.

What NSN replaces 4820-01-116-6847?

There are 8 known substitutes for 4820-01-116-6847: 5133-00-266-9462, 5340-00-281-9896, 5330-00-731-8587 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 510-34?

Key specifications for 510-34: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 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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