PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41399X01-001Valve,safety Relief

Moog Inc. Dba Ampac-Isp Corp · NSN 4820-01-481-9127 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-481-9127 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-481-9127. Primary manufacturer part number: 41399X01-001.
Features
  • Valve,safety Relief — FSC 4820
  • 6 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 4820-01-481-9127, 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 6 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 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
NSN4820-01-481-9127
Primary Part Number41399X01-001
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 3
5950-00-004-6175986091-1 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5365-00-097-1595010-303-0080 INTERCHANGEABLE
Bushing,seat
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5915-00-916-5968SMB529539-2 INTERCHANGEABLE
Filter,low Pass
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
41399X01-001 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
41399 Moog Inc. Dba Ampac-Isp Corp (USA)
1150-41475 ITEM 40 Moog Inc. Dba Ampac-Isp Corp (USA)
63000-41400 ITEM 49 Moog Inc. Dba Ampac-Isp Corp (USA)
81000-40265 ITEM 61 Moog Inc. Dba Ampac-Isp Corp (USA)
390M23-41970 ITEM 54 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
5950-00-004-6175INTERCHANGEABLE
REACTOR
986091-1
5365-00-097-1595INTERCHANGEABLE
BUSHING,SEAT
010-303-0080
5915-00-916-5968INTERCHANGEABLE
FILTER,LOW PASS
SMB529539-2

Frequently Asked Questions

What is NSN 4820-01-481-9127?

NSN 4820-01-481-9127 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 4820-01-481-9127?

NSN 4820-01-481-9127 has 6 cross-referenced part numbers: 41399X01-001 (Moog Inc. Dba Ampac-Isp Corp), 41399 (Moog Inc. Dba Ampac-Isp Corp), 1150-41475 ITEM 40 (Moog Inc. Dba Ampac-Isp Corp), 63000-41400 ITEM 49 (Moog Inc. Dba Ampac-Isp Corp), 81000-40265 ITEM 61 (Moog Inc. Dba Ampac-Isp Corp) and 1 more.

What NSN replaces 4820-01-481-9127?

There are 3 known substitutes for 4820-01-481-9127: 5950-00-004-6175, 5365-00-097-1595, 5915-00-916-5968. Verify interchangeability with system specifications before substitution.

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