PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21008Valve,vent

North Jersey Marine Enterprises Dba North Jersey Marine Enterprises Inc · NSN 4820-01-393-5305 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-393-5305 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-393-5305. Primary manufacturer part number: 21008.
Features
  • Valve,vent — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: North Jersey Marine Enterprises Dba North Jersey Marine Enterprises Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,vent, cataloged under National Stock Number 4820-01-393-5305, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is North Jersey Marine Enterprises Dba North Jersey Marine Enterprises Inc. This item has 2 commercial cross-references from 2 manufacturers, 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
NSN4820-01-393-5305
Primary Part Number21008
Item NameValve,vent
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNorth Jersey Marine Enterprises Dba North Jersey Marine Enterprises Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5962-00-156-0983SN7408N INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5330-00-286-6868ID 1.625IN X OD 2.374 X .50IN W INTERCHANGEABLE
Seal,plain Encased
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5950-00-494-335621008 INTERCHANGEABLE
Transformer,power
Magnetika Inc
2835-00-654-677221008 INTERCHANGEABLE
Diffuser Assy,machi
Rtx Corporation Div Pratt & Whitney
6695-00-800-35192100-8 INTERCHANGEABLE
Transducer,motional Pickup
Ametek Inc Schutte and Koerting Div
5940-00-983-6086 INTERCHANGEABLE
Terminal Board
5940-00-983-6103 INTERCHANGEABLE
Terminal Board
5340-01-100-489821008 INTERCHANGEABLE
Cover,access
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4820-01-408-70171726 INTERCHANGEABLE
Seat,valve
Droitcour Co
5340-01-426-178321008 INTERCHANGEABLE
Lever,lock-Release
Electrical Appliance Repair Service, Inc.
Cross-Reference Index
Part NumberManufacturer
21008 PRIMARY North Jersey Marine Enterprises Dba North Jersey Marine Enterprises Inc (USA)
21008 Bukh A/s (DNK)
Related Parts
5962-00-156-0983INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN7408N
5330-00-286-6868INTERCHANGEABLE
SEAL,PLAIN ENCASED
ID 1.625IN X OD 2.374 X .50IN W
5950-00-494-3356INTERCHANGEABLE
TRANSFORMER,POWER
21008
2835-00-654-6772INTERCHANGEABLE
DIFFUSER ASSY,MACHI
21008
6695-00-800-3519INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
2100-8
5940-00-983-6086INTERCHANGEABLE
TERMINAL BOARD
5940-00-983-6103INTERCHANGEABLE
TERMINAL BOARD
5340-01-100-4898INTERCHANGEABLE
COVER,ACCESS
21008
4820-01-408-7017INTERCHANGEABLE
SEAT,VALVE
1726
5340-01-426-1783INTERCHANGEABLE
LEVER,LOCK-RELEASE
21008
5930-01-445-6820INTERCHANGEABLE
SWITCH,ROTARY
2100B
5330-01-468-7332INTERCHANGEABLE
RETAINER,SEAL

Frequently Asked Questions

What is NSN 4820-01-393-5305?

NSN 4820-01-393-5305 is a Valve,vent, manufactured by North Jersey Marine Enterprises Dba North Jersey Marine Enterprises Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-393-5305?

NSN 4820-01-393-5305 has 2 cross-referenced part numbers: 21008 (North Jersey Marine Enterprises Dba North Jersey Marine Enterprises Inc), 21008 (Bukh A/s).

What NSN replaces 4820-01-393-5305?

There are 12 known substitutes for 4820-01-393-5305: 5962-00-156-0983, 5330-00-286-6868, 5950-00-494-3356 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21008?

Key specifications for 21008: End Item Identification: GEAR,REVERSE;NORTH JERSEY MARINE. 1 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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