PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

02-0077-125Ball,check

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-414-7999 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-414-7999 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-414-7999. Primary manufacturer part number: 02-0077-125.
Features
  • Ball,check — FSC 4820
  • Valve Design Control Activity: 78062
  • Material: PLASTIC POLYAMIDE NYLON
  • Valve Model Number for Which Designed: 21329-001
  • 7 verified cross-references
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Applications
  • Applications requiring Plastic Polyamide Nylon construction
General Description

The Ball,check, cataloged under National Stock Number 4820-01-414-7999, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-414-7999
Primary Part Number02-0077-125
Item NameBall,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Valve Design Control Activity78062
MaterialPLASTIC POLYAMIDE NYLON
Valve Model Number for Which Designed21329-001
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-496-659521-329 INTERCHANGEABLE
Bushing,sleeve
Dresser Industries Inc Leroi Div
1680-00-700-8371S6140-61105 INTERCHANGEABLE
Grip Assembly,controller,aircraf
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
5325-00-912-5818 INTERCHANGEABLE
Ring,retaining
5120-01-136-2543B71974 INTERCHANGEABLE
Screwdriver,torque
O T S I
3920-01-154-5617 INTERCHANGEABLE
Wheel,solid,nonmetallic
4720-01-297-849921329 INTERCHANGEABLE
Hose,preformed
Gates Corporation
1680-01-337-527921329-22 INTERCHANGEABLE
Grip Assembly,controller,aircraf
Mason Electric Co. Dba Mason Controls
4730-01-413-960221317-1018-6 INTERCHANGEABLE
Restrictor,fluid Flow
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-414-411121330-1007-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-414-799321001-1004-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21110 FIND 62 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21329-22 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
02-0077-125 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21329 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21354 FIND 14 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
02-0077 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21340 FIND 26 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
3120-00-496-6595INTERCHANGEABLE
BUSHING,SLEEVE
21-329
1680-00-700-8371INTERCHANGEABLE
GRIP ASSEMBLY,CONTROLLER,AIRCRAF
S6140-61105
5325-00-912-5818INTERCHANGEABLE
RING,RETAINING
5120-01-136-2543INTERCHANGEABLE
SCREWDRIVER,TORQUE
B71974
3920-01-154-5617INTERCHANGEABLE
WHEEL,SOLID,NONMETALLIC
4720-01-297-8499INTERCHANGEABLE
HOSE,PREFORMED
21329
1680-01-337-5279INTERCHANGEABLE
GRIP ASSEMBLY,CONTROLLER,AIRCRAF
21329-22
4730-01-413-9602INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
21317-1018-6
3040-01-414-4111INTERCHANGEABLE
SHAFT,SHOULDERED
21330-1007-1
4820-01-414-7993INTERCHANGEABLE
PISTON,VALVE
21001-1004-1
4820-01-414-9336INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21329
3040-01-415-1025INTERCHANGEABLE
SHAFT,STRAIGHT
21329-1001-1

Frequently Asked Questions

What is NSN 4820-01-414-7999?

NSN 4820-01-414-7999 is a Ball,check, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-414-7999?

NSN 4820-01-414-7999 has 7 cross-referenced part numbers: 21110 FIND 62 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21329-22 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 02-0077-125 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21329 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21354 FIND 14 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace) and 2 more.

What NSN replaces 4820-01-414-7999?

There are 12 known substitutes for 4820-01-414-7999: 3120-00-496-6595, 1680-00-700-8371, 5325-00-912-5818 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 02-0077-125?

Key specifications for 02-0077-125: Valve Design Control Activity: 78062; Material: PLASTIC POLYAMIDE NYLON; End Item Identification: SEAWOLF CLASS SSN; Valve Model Number for Which Designed: 21329-001. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com