PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8HB997Valve,flow Control

Oshkosh Defense Llc · NSN 4820-01-480-3989 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-480-3989 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-480-3989. Primary manufacturer part number: 8HB997.
Features
  • Valve,flow Control — FSC 4820
  • Valve Operation Method: AIR
  • Body Material: PLASTIC
  • End Connection Quantity: 2
  • Flow Control Device: SLIDE
  • 3 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-480-3989, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 4 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
NSN4820-01-480-3989
Primary Part Number8HB997
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Valve Operation MethodAIR
Body MaterialPLASTIC
End Connection Quantity2
Flow Control DeviceSLIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5340-00-232-5723 INTERCHANGEABLE
Plug,expansion
5360-01-120-7364103893 INTERCHANGEABLE
Spring
Phi
5340-01-236-47661-0400-0448 INTERCHANGEABLE
Hinge,butt
Stocker Hinge Mfg Co
5330-01-468-789510-3893 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Seal Master Corp Dba Seal Master Corp
Cross-Reference Index
Part NumberManufacturer
8HB997 Oshkosh Corp (USA)
8HB997 PRIMARY Oshkosh Defense Llc (USA)
103893 Seats Inc Div Seats Incorporated (USA)
Related Parts
5340-00-232-5723INTERCHANGEABLE
PLUG,EXPANSION
5360-01-120-7364INTERCHANGEABLE
SPRING
103893
5340-01-236-4766INTERCHANGEABLE
HINGE,BUTT
1-0400-0448
5330-01-468-7895INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
10-3893

Frequently Asked Questions

What is NSN 4820-01-480-3989?

NSN 4820-01-480-3989 is a Valve,flow Control, manufactured by Oshkosh Defense Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-480-3989?

NSN 4820-01-480-3989 has 3 cross-referenced part numbers: 8HB997 (Oshkosh Corp), 8HB997 (Oshkosh Defense Llc), 103893 (Seats Inc Div Seats Incorporated).

What NSN replaces 4820-01-480-3989?

There are 4 known substitutes for 4820-01-480-3989: 5340-00-232-5723, 5360-01-120-7364, 5340-01-236-4766 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8HB997?

Key specifications for 8HB997: Valve Operation Method: AIR; Part Name Assigned by Controlling Agency: PADDLE AIR VALVE ASSEMBLY; End Item Identification: 2320-01-465-2174; Body Material: PLASTIC. 6 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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