PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34919Valve,safety Relief

Moog Inc. Dba Ampac-Isp Corp · NSN 4820-01-350-6171 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-350-6171 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-350-6171. Primary manufacturer part number: 34919.
Features
  • Valve,safety Relief — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Moog Inc. Dba Ampac-Isp Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-350-6171, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersMoog Inc. Dba Ampac-Isp Corp (CAGE 07270)
Technical Specifications
ParameterValue
NSN4820-01-350-6171
Primary Part Number34919
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5305-00-044-4244 INTERCHANGEABLE
Screw,machine
4730-00-535-4191 INTERCHANGEABLE
Orifice,gun
6520-00-542-2750 INTERCHANGEABLE
Pad,dental Rubber Dam
6115-00-626-413339999 INTERCHANGEABLE
Repair Kit,generato
Micro Computer Consultants Inc Quality Accessories and Instruments Div
5950-00-646-2668606783 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation
5210-00-941-054034919 INTERCHANGEABLE
Alignment Fixture a
Rexnord Industries, Llc Div Couplings Division
3040-01-350-167035525 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
6515-01-569-6627399.99 INTERCHANGEABLE
Forceps,bone Reduction
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
7025-01-607-13037135240250303630 INTERCHANGEABLE
Disk Drive Unit
Fabrik Inc Div Simpletech
4810-01-722-067739-999 INTERCHANGEABLE
Valve Assembly
Hydro-Aire Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
28-34890 PIECE 22 Moog Inc. Dba Ampac-Isp Corp (USA)
39999 Moog Inc. Dba Ampac-Isp Corp (USA)
28-34890 Moog Inc. Dba Ampac-Isp Corp (USA)
34919 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
28-34890 ITEM 22 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
5305-00-044-4244INTERCHANGEABLE
SCREW,MACHINE
4730-00-535-4191INTERCHANGEABLE
ORIFICE,GUN
6520-00-542-2750INTERCHANGEABLE
PAD,DENTAL RUBBER DAM
6115-00-626-4133INTERCHANGEABLE
REPAIR KIT,GENERATO
39999
5950-00-646-2668INTERCHANGEABLE
REACTOR
606783
5210-00-941-0540INTERCHANGEABLE
ALIGNMENT FIXTURE A
34919
3040-01-350-1670INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
35525
6515-01-569-6627INTERCHANGEABLE
FORCEPS,BONE REDUCTION
399.99
7025-01-607-1303INTERCHANGEABLE
DISK DRIVE UNIT
7135240250303630
4810-01-722-0677INTERCHANGEABLE
VALVE ASSEMBLY
39-999

Frequently Asked Questions

What is NSN 4820-01-350-6171?

NSN 4820-01-350-6171 is a Valve,safety Relief, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-350-6171?

NSN 4820-01-350-6171 has 5 cross-referenced part numbers: 28-34890 PIECE 22 (Moog Inc. Dba Ampac-Isp Corp), 39999 (Moog Inc. Dba Ampac-Isp Corp), 28-34890 (Moog Inc. Dba Ampac-Isp Corp), 34919 (Moog Inc. Dba Ampac-Isp Corp), 28-34890 ITEM 22 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 4820-01-350-6171?

There are 10 known substitutes for 4820-01-350-6171: 5305-00-044-4244, 4730-00-535-4191, 6520-00-542-2750 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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