PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41747Valve,safety Relief

Moog Inc. Dba Ampac-Isp Corp · NSN 4820-01-498-2695 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-498-2695 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-498-2695. Primary manufacturer part number: 41747.
Features
  • Valve,safety Relief — FSC 4820
  • Material Document and Classification: QQ-S-763 CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Material: STEEL COMP 304 BODY
  • 3 verified cross-references
  • Primary manufacturer: Moog Inc. Dba Ampac-Isp Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 304 Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-498-2695, 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. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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.

Technical Specifications
ParameterValue
NSN4820-01-498-2695
Primary Part Number41747
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
Material Document and ClassificationQQ-S-763 CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE BODY
MaterialSTEEL COMP 304 BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3040-00-053-31231226252 INTERCHANGEABLE
Gearshaft,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3010-01-496-9919265L INTERCHANGEABLE
Actuator,hydraulic-Pneumatic,rot
Moog Inc. Dba Ampac-Isp Corp
4320-01-497-757541740X01-001 INTERCHANGEABLE
Cylinder Sleeve
Moog Inc. Dba Ampac-Isp Corp
3120-01-498-058541741 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
5365-01-498-058734644BX01-001 INTERCHANGEABLE
Plug,machine Thread
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
41747 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
265-41735 Moog Inc. Dba Ampac-Isp Corp (USA)
265-41735 ITEM 33 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
3040-00-053-3123INTERCHANGEABLE
GEARSHAFT,SPUR
1226252
3010-01-496-9919INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,ROT
265L
4320-01-497-7575INTERCHANGEABLE
CYLINDER SLEEVE
41740X01-001
3120-01-498-0585INTERCHANGEABLE
BEARING,SLEEVE
41741
5365-01-498-0587INTERCHANGEABLE
PLUG,MACHINE THREAD
34644BX01-001

Frequently Asked Questions

What is NSN 4820-01-498-2695?

NSN 4820-01-498-2695 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 4820-01-498-2695?

NSN 4820-01-498-2695 has 3 cross-referenced part numbers: 41747 (Moog Inc. Dba Ampac-Isp Corp), 265-41735 (Moog Inc. Dba Ampac-Isp Corp), 265-41735 ITEM 33 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 4820-01-498-2695?

There are 5 known substitutes for 4820-01-498-2695: 3040-00-053-3123, 3010-01-496-9919, 4320-01-497-7575 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41747?

Key specifications for 41747: End Item Identification: LOS ANGELES CLASS SSN (688); Material Document and Classification: QQ-S-763 CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE BODY; Material: STEEL COMP 304 BODY. 3 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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