PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1074Valve,safety Relief

Pneudraulics, Inc. · NSN 4820-00-410-5545 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-410-5545 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-410-5545. Primary manufacturer part number: 1074.
Features
  • Valve,safety Relief — FSC 4820
  • Connection Type: THREADED INTERNAL BOSS SECOND ENDTHREADED INTERNAL BOSS SECOND END
  • Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE275.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES SECOND END IN
  • Material Document and Classification: QQ-S-764,TYPE 303,COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
  • Thread Class: 3B FIRST END3B FIRST END
  • Media for Which Designed: OIL, HYDRAULIC SINGLE RESPONSE
  • Adjustable Pressure Range: +3450.0 TO 3500.0 POUNDS PER SQUARE INCH+3450.0 TO 3500.0 POUNDS PER SQUARE INCH LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 303 Flow Control Devicesteel Comp 303 Seat construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-410-5545, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pneudraulics, Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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: Active.

Technical Specifications
ParameterValue
NSN4820-00-410-5545
Primary Part Number1074
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusACTIVE
Connection TypeTHREADED INTERNAL BOSS SECOND ENDTHREADED INTERNAL BOSS SECOND END
Maximum Operating Temp275.0 FAHRENHEIT SINGLE RESPONSE275.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Outside Diameter Tube Accommodated0.250 INCHES SECOND END IN
Material Document and ClassificationQQ-S-764,TYPE 303,COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Thread Class3B FIRST END3B FIRST END
Media for Which DesignedOIL, HYDRAULIC SINGLE RESPONSE
Adjustable Pressure Range+3450.0 TO 3500.0 POUNDS PER SQUARE INCH+3450.0 TO 3500.0 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
Valve Operation MethodAUTOMATICAUTOMATIC
Nominal Thread Size0.548 INCHES SECOND END0.548 INCHES SECOND END IN
Thread DirectionRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
Nominal Thread Size0.562 INCHES FIRST END0.562 INCHES FIRST END IN
MaterialSTEEL COMP 303 FLOW CONTROL DEVICESTEEL COMP 303 SEAT
Thread Quantity Per Inch20 SECOND END20 SECOND END
Thread Quantity Per Inch18 FIRST END18 FIRST END
Connection TypeTHREADED INTERNAL BOSS FIRST ENDTHREADED INTERNAL BOSS FIRST END
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
Thread Class3B SECOND END3B SECOND END
Flow Control DevicePOPPETPOPPET
MaterialSTEEL COMP 303 FLOW CONTROL DEVICE
Connection StyleGASKET SEAL(BOSS) ALL ENDSGASKET SEAL(BOSS) ALL ENDS
Material Document and ClassificationQQ-S-764,TYPE 303,COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICEQQ-S-764,TYPE 303,COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT
Material Document and ClassificationQQ-S-764,TYPE 303,COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEATQQ-A-200/3,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE BODY
MaterialSTEEL COMP 303 SEATALUMINUM ALLOY 2024 BODY
Opening Pressure Setting3500.0 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) SECOND ENDUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
Nominal Outside Diameter Tube Accommodated0.250 INCHES SECOND END0.375 INCHES FIRST END IN
Disk Loading MethodSPRINGSPRING
Features ProvidedPRESSURE TIGHT OUTLET SIDEPRESSURE TIGHT OUTLET SIDE
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3415-00-034-4400107-4 INTERCHANGEABLE
Grinding Machine,centerless,exte
Cincinnati Machine Co
6810-00-247-0600 INTERCHANGEABLE
Mercuric Iodide,red
4730-00-278-88731074 INTERCHANGEABLE
Adapter,straight,tube to Boss
Danfoss Power Solutions II, Llc
5975-00-280-91853717 INTERCHANGEABLE
Reducing Washer,knockout
Abb Installation Products Inc
5305-00-448-13421074 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5999-00-468-32414049 INTERCHANGEABLE
Contact,electrical
Dynalec Corporation
5331-00-582-28552-113 N304-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
3020-00-713-1027 INTERCHANGEABLE
Gear,motor Drive
5310-00-829-77521074 INTERCHANGEABLE
Washer,flat
L3harris Technologies, Inc. Div Space and Airborne Systems
5120-00-996-45051074 INTERCHANGEABLE
Parts Kit
Columbus Jack Corporation Div Columbus Jack
Cross-Reference Index
Part NumberManufacturer
1074 PRIMARY Pneudraulics, Inc. (USA)
216-22605-1 Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA)
Related Parts
3415-00-034-4400INTERCHANGEABLE
GRINDING MACHINE,CENTERLESS,EXTE
107-4
6810-00-247-0600INTERCHANGEABLE
MERCURIC IODIDE,RED
4730-00-278-8873INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
1074
5975-00-280-9185INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
3717
5305-00-448-1342INTERCHANGEABLE
SCREW,MACHINE
1074
5999-00-468-3241INTERCHANGEABLE
CONTACT,ELECTRICAL
4049
5331-00-582-2855INTERCHANGEABLE
O-RING
2-113 N304-75
3020-00-713-1027INTERCHANGEABLE
GEAR,MOTOR DRIVE
5310-00-829-7752INTERCHANGEABLE
WASHER,FLAT
1074
5120-00-996-4505INTERCHANGEABLE
PARTS KIT
1074
5306-01-121-7682INTERCHANGEABLE
BOLT,MACHINE
1074
8020-01-126-1438INTERCHANGEABLE
BRUSH,PAINT
RE 011261438

Frequently Asked Questions

What is NSN 4820-00-410-5545?

NSN 4820-00-410-5545 is a Valve,safety Relief, manufactured by Pneudraulics, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-410-5545?

NSN 4820-00-410-5545 has 2 cross-referenced part numbers: 1074 (Pneudraulics, Inc.), 216-22605-1 (Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division).

What NSN replaces 4820-00-410-5545?

There are 12 known substitutes for 4820-00-410-5545: 3415-00-034-4400, 6810-00-247-0600, 4730-00-278-8873 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1074?

Key specifications for 1074: Connection Type: THREADED INTERNAL BOSS SECOND ENDTHREADED INTERNAL BOSS SECOND END; Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE275.0 FAHRENHEIT SINGLE RESPONSE DEGF; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES SECOND END IN; Material Document and Classification: QQ-S-764,TYPE 303,COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE. 30 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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