PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1530-3Valve,safety Relief

Amfs American Fleet Services · NSN 4820-01-066-6117 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-066-6117 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-066-6117. Primary manufacturer part number: 1530-3.
Features
  • Valve,safety Relief — FSC 4820
  • Connection Style: FLARE(TUBE) ALL ENDS
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Flow Control Device: POPPET
  • Connection Type: THREADED INTERNAL TUBE ALL ENDS
  • Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
  • Material: ALUMINUM BODY
  • Thread Series Designator: UNF ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-066-6117, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Amfs American Fleet Services. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-01-066-6117
Primary Part Number1530-3
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAmfs American Fleet Services
StatusACTIVE
Connection StyleFLARE(TUBE) ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Flow Control DevicePOPPET
Connection TypeTHREADED INTERNAL TUBE ALL ENDS
Style DesignatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
MaterialALUMINUM BODY
Thread Series DesignatorUNF ALL ENDS
Opening Pressure Setting700.0 POUNDS PER SQUARE INCH LBS
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size0.625 INCHES ALL ENDS IN
Valve Operation MethodAUTOMATIC
Thread Class2B ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-054-6880 INTERCHANGEABLE
O-Ring
5905-00-259-22990319 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
9540-00-294-9938 INTERCHANGEABLE
Beam,structural
2805-00-423-3757 INTERCHANGEABLE
Valve,poppet,engine
5136-00-580-7332 INTERCHANGEABLE
Tap,thread Cutting
6510-00-890-13701530-3 INTERCHANGEABLE
Adhesive Tape,surgical
3m Company Div Health Care Business
5930-01-060-962515303 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
9540-01-071-0129 INTERCHANGEABLE
Beam,structural
9540-01-071-1358 INTERCHANGEABLE
Beam,structural
5330-01-095-4656MA254-21005 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Am General Llc
Cross-Reference Index
Part NumberManufacturer
1530-3 PRIMARY Amfs American Fleet Services (USA)
Related Parts
5331-00-054-6880INTERCHANGEABLE
O-RING
5905-00-259-2299INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
0319
9540-00-294-9938INTERCHANGEABLE
BEAM,STRUCTURAL
2805-00-423-3757INTERCHANGEABLE
VALVE,POPPET,ENGINE
5136-00-580-7332INTERCHANGEABLE
TAP,THREAD CUTTING
6510-00-890-1370INTERCHANGEABLE
ADHESIVE TAPE,SURGICAL
1530-3
5930-01-060-9625INTERCHANGEABLE
SWITCH,PRESSURE
15303
9540-01-071-0129INTERCHANGEABLE
BEAM,STRUCTURAL
9540-01-071-1358INTERCHANGEABLE
BEAM,STRUCTURAL
5330-01-095-4656INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
MA254-21005
4820-01-170-9893INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
15303
5985-01-189-7904INTERCHANGEABLE
ISOLATOR,DUAL OUTPT
15303

Frequently Asked Questions

What is NSN 4820-01-066-6117?

NSN 4820-01-066-6117 is a Valve,safety Relief, manufactured by Amfs American Fleet Services, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-066-6117?

NSN 4820-01-066-6117 has 1 cross-referenced part number: 1530-3 (Amfs American Fleet Services).

What NSN replaces 4820-01-066-6117?

There are 12 known substitutes for 4820-01-066-6117: 5331-00-054-6880, 5905-00-259-2299, 9540-00-294-9938 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1530-3?

Key specifications for 1530-3: Connection Style: FLARE(TUBE) ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS; Flow Control Device: POPPET; Connection Type: THREADED INTERNAL TUBE ALL ENDS. 13 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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