PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41449Seat,valve

Moog Inc. Dba Ampac-Isp Corp · NSN 4820-01-625-4403 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-625-4403 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-625-4403. Primary manufacturer part number: 41449.
Features
  • Seat,valve — FSC 4820
  • 2 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 Seat,valve, cataloged under National Stock Number 4820-01-625-4403, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersMoog Inc. Dba Ampac-Isp Corp (CAGE 07270)
Technical Specifications
ParameterValue
NSN4820-01-625-4403
Primary Part Number41449
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-132-22611382 INTERCHANGEABLE
Transformer,power
Precision Electronics, Inc
2530-00-374-98221371 INTERCHANGEABLE
Butto Xcontrol,brak
Kenworth Truck Co a Div of Paccar Inc
5365-00-878-4739414449 INTERCHANGEABLE
Spacer,sleeve
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5950-01-361-667641449 INTERCHANGEABLE
Transformer,power
Vanguard Electronics, Llc
3110-01-633-630841449 INTERCHANGEABLE
Bearing,ball,annular
Exlar Corporation
Cross-Reference Index
Part NumberManufacturer
94001-43930-TD ITEM 1.21.2 Moog Inc. Dba Ampac-Isp Corp (USA)
41449 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
5950-00-132-2261INTERCHANGEABLE
TRANSFORMER,POWER
1382
2530-00-374-9822INTERCHANGEABLE
BUTTO XCONTROL,BRAK
1371
5365-00-878-4739INTERCHANGEABLE
SPACER,SLEEVE
414449
5950-01-361-6676INTERCHANGEABLE
TRANSFORMER,POWER
41449
3110-01-633-6308INTERCHANGEABLE
BEARING,BALL,ANNULAR
41449

Frequently Asked Questions

What is NSN 4820-01-625-4403?

NSN 4820-01-625-4403 is a Seat,valve, 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 4820-01-625-4403?

NSN 4820-01-625-4403 has 2 cross-referenced part numbers: 94001-43930-TD ITEM 1.21.2 (Moog Inc. Dba Ampac-Isp Corp), 41449 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 4820-01-625-4403?

There are 5 known substitutes for 4820-01-625-4403: 5950-00-132-2261, 2530-00-374-9822, 5365-00-878-4739 and 2 more. Verify interchangeability with system specifications before substitution.

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