PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TD-029/030/031/ACT ASSYValve,ball

Naval Sea Systems Command · NSN 4820-01-732-6685 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-732-6685 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-732-6685. Primary manufacturer part number: TD-029/030/031/ACT ASSY.
Features
  • Valve,ball — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • Criticality Code Justification: ZZZY
  • 3 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-732-6685, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-732-6685
Primary Part NumberTD-029/030/031/ACT ASSY
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3120-00-468-2809CB27460-001 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
5330-01-093-7816 INTERCHANGEABLE
Gasket
3040-01-194-1663CB27459-001 INTERCHANGEABLE
Cap,accumulator
Moog Inc. Dba Ampac-Isp Corp
4810-01-221-436370C INTERCHANGEABLE
Actuator,electro-Mechanical,line
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
TD-029/030/031/ACT ASSY Naval Sea Systems Command (USA)
70-26915 Moog Inc. Dba Ampac-Isp Corp (USA)
TD-029/030/031/ACT ASSYL1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
3120-00-468-2809INTERCHANGEABLE
BEARING,SLEEVE
CB27460-001
5330-01-093-7816INTERCHANGEABLE
GASKET
3040-01-194-1663INTERCHANGEABLE
CAP,ACCUMULATOR
CB27459-001
4810-01-221-4363INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
70C

Frequently Asked Questions

What is NSN 4820-01-732-6685?

NSN 4820-01-732-6685 is a Valve,ball, manufactured by Naval Sea Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-732-6685?

NSN 4820-01-732-6685 has 3 cross-referenced part numbers: TD-029/030/031/ACT ASSY (Naval Sea Systems Command), 70-26915 (Moog Inc. Dba Ampac-Isp Corp), TD-029/030/031/ACT ASSYL1 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4820-01-732-6685?

There are 4 known substitutes for 4820-01-732-6685: 3120-00-468-2809, 5330-01-093-7816, 3040-01-194-1663 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TD-029/030/031/ACT ASSY?

Key specifications for TD-029/030/031/ACT ASSY: Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Part Name Assigned by Controlling Agency: VALVE & ACTUATOR; Criticality Code Justification: ZZZY. 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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