PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-169Valve,safety Relief

Ausco Inc · NSN 4820-01-147-9585 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-147-9585 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-147-9585. Primary manufacturer part number: A-169.
Features
  • Valve,safety Relief — FSC 4820
  • Maximum Operating Temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Opening Pressure Setting: 110.0 POUNDS PER SQUARE INCH LBS
  • Surface Treatment: ANODIZE AND PASSIVATE LOCATION NOT OTHERWISE SPECIFIED
  • Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
  • Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Media for Which Designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
  • Valve Operation Method: AUTOMATIC
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-147-9585, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ausco Inc. Government technical data includes 8 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-147-9585
Primary Part NumberA-169
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAusco Inc
StatusACTIVE
Maximum Operating Temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
Opening Pressure Setting110.0 POUNDS PER SQUARE INCH LBS
Surface TreatmentANODIZE AND PASSIVATE LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
Operating Pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
Valve Operation MethodAUTOMATIC
Valve Discharge Flow Rate1.0 GALLONS PER MINUTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5325-00-054-5042A169 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
3030-00-269-7205TR28492 INTERCHANGEABLE
Belt,v
Wbparts Inc
5360-00-291-0017 INTERCHANGEABLE
Spring,helical,compression
2510-00-769-744218459 INTERCHANGEABLE
Shock Absorber,direct Action
Tenneco Inc
1095-00-909-0919 INTERCHANGEABLE
Relay Box
4310-00-911-6607Z184 INTERCHANGEABLE
Valve Assembly,intake
Gardner Denver Inc.
Cross-Reference Index
Part NumberManufacturer
13030411 Us Army Aviation and Missile Command (USA)
10086284 Nimikkeistokeskus Ncb Finland (FIN)
A-169 PRIMARY Ausco Inc (USA)
Related Parts
5325-00-054-5042INTERCHANGEABLE
EYELET,METALLIC
A169
3030-00-269-7205INTERCHANGEABLE
BELT,V
TR28492
5360-00-291-0017INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2510-00-769-7442INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
18459
1095-00-909-0919INTERCHANGEABLE
RELAY BOX
4310-00-911-6607INTERCHANGEABLE
VALVE ASSEMBLY,INTAKE
Z184

Frequently Asked Questions

What is NSN 4820-01-147-9585?

NSN 4820-01-147-9585 is a Valve,safety Relief, manufactured by Ausco Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-147-9585?

NSN 4820-01-147-9585 has 3 cross-referenced part numbers: 13030411 (Us Army Aviation and Missile Command), 10086284 (Nimikkeistokeskus Ncb Finland), A-169 (Ausco Inc).

What NSN replaces 4820-01-147-9585?

There are 6 known substitutes for 4820-01-147-9585: 5325-00-054-5042, 3030-00-269-7205, 5360-00-291-0017 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-169?

Key specifications for A-169: Maximum Operating Temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF; Opening Pressure Setting: 110.0 POUNDS PER SQUARE INCH LBS; Special Features: WITH MANUAL OVERIDE; Surface Treatment: ANODIZE AND PASSIVATE LOCATION NOT OTHERWISE SPECIFIED. 9 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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