PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5077-5Valve,regulating,fluid Pressure

Aar Allen Services, Inc Dba Aar Component Services Wellington · NSN 4820-00-800-6751 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-800-6751 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-800-6751. Primary manufacturer part number: 5077-5.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Maximum Inlet Pressure Rating: ERR-060
  • End Connection Quantity: 2
  • Material: STEEL STEM
  • First End Style Designator: GASKET SEAL
  • Thread Size and Series/type Designator: 1-5/16-12 UNF FIRST END
  • Thread Size and Series/type Designator: 1-1/16-12 UNF SECOND END
  • Body Style: TEE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Stem construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-800-6751, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aar Allen Services, Inc Dba Aar Component Services Wellington. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-800-6751
Primary Part Number5077-5
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAar Allen Services, Inc Dba Aar Component Services Wellington
StatusCANCELLED
Maximum Inlet Pressure RatingERR-060
End Connection Quantity2
MaterialSTEEL STEM
First End Style DesignatorGASKET SEAL
Thread Size and Series/type Designator1-5/16-12 UNF FIRST END
Thread Size and Series/type Designator1-1/16-12 UNF SECOND END
Body StyleTEE
Second End Relationship with First EndNOT IDENTICAL
Flow Control DevicePISTON, SPRING LOADED
Second End Style DesignatorGASKET SEAL
First End Thread Class3B
Regulation TypeAUTOMATIC SINGLE STAGE
Temp Rating-65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF
First End Thread DirectionRIGHT-HAND
Outlet Pressure SettingERR-060
Second End Connection TypeTHREADED INTERNAL BOSS
First End Connection TypeTHREADED INTERNAL BOSS
Media for Which DesignedAIR
Remote Actuation MethodPISTON
MaterialSTEEL SEAT
Second End Thread DirectionRIGHT-HAND
FilterNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5930-00-791-3126931201 INTERCHANGEABLE
Switch,headlight Di
Am General Llc
5310-01-113-576131243 INTERCHANGEABLE
Washer,flat
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
Cross-Reference Index
Part NumberManufacturer
DR508 Diehl Aviation Gilching Gmbh (DEU)
634125-5 Lockheed Martin Corp (USA)
5077-5 PRIMARY Aar Allen Services, Inc Dba Aar Component Services Wellington (USA)
Related Parts
5930-00-791-3126INTERCHANGEABLE
SWITCH,HEADLIGHT DI
931201
5310-01-113-5761INTERCHANGEABLE
WASHER,FLAT
31243

Frequently Asked Questions

What is NSN 4820-00-800-6751?

NSN 4820-00-800-6751 is a Valve,regulating,fluid Pressure, manufactured by Aar Allen Services, Inc Dba Aar Component Services Wellington, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-800-6751?

NSN 4820-00-800-6751 has 3 cross-referenced part numbers: DR508 (Diehl Aviation Gilching Gmbh), 634125-5 (Lockheed Martin Corp), 5077-5 (Aar Allen Services, Inc Dba Aar Component Services Wellington).

What NSN replaces 4820-00-800-6751?

There are 2 known substitutes for 4820-00-800-6751: 5930-00-791-3126, 5310-01-113-5761. Verify interchangeability with system specifications before substitution.

What are the specifications of 5077-5?

Key specifications for 5077-5: Maximum Inlet Pressure Rating: ERR-060; End Connection Quantity: 2; Material: STEEL STEM; First End Style Designator: GASKET SEAL. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-800-6751 still in active supply?

NSN 4820-00-800-6751 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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