PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30755Head,relief Valve

Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group · NSN 4820-01-178-2896 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-178-2896 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-178-2896. Primary manufacturer part number: 30755.
Features
  • Head,relief Valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Head,relief Valve, cataloged under National Stock Number 4820-01-178-2896, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHead,relief Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersGardner Denver Water Jetting Systems, Inc. Div Engineered Package Group (CAGE 29731); Jetstream of Houston, Llp Dba Jetstream of Houston Llp (CAGE 56570)
Technical Specifications
ParameterValue
NSN4820-01-178-2896
Primary Part Number30755
Item NameHead,relief Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5315-00-010-341850774 INTERCHANGEABLE
Pin,cotter
Am General Llc
5210-00-287-3336 INTERCHANGEABLE
Caliper,micrometer,outside
3040-00-392-7797SC-B-69963 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5120-00-398-7436 INTERCHANGEABLE
Wrench,valve
5305-01-006-192550774 INTERCHANGEABLE
Screw,special
Naval Inventory Control Point Mechanicsburg
8940-01-396-980150774 INTERCHANGEABLE
Dietary Supplement,therapeutic
Abbott Laboratories, Inc. Dba Ross Products Division Div Ross Products
Cross-Reference Index
Part NumberManufacturer
30755 PRIMARY Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group (USA)
50774 PRIMARY Jetstream of Houston, Llp Dba Jetstream of Houston Llp (USA)
Related Parts
5315-00-010-3418INTERCHANGEABLE
PIN,COTTER
50774
5210-00-287-3336INTERCHANGEABLE
CALIPER,MICROMETER,OUTSIDE
3040-00-392-7797INTERCHANGEABLE
LEVER,MANUAL CONTROL
SC-B-69963
5120-00-398-7436INTERCHANGEABLE
WRENCH,VALVE
5305-01-006-1925INTERCHANGEABLE
SCREW,SPECIAL
50774
8940-01-396-9801INTERCHANGEABLE
DIETARY SUPPLEMENT,THERAPEUTIC
50774

Frequently Asked Questions

What is NSN 4820-01-178-2896?

NSN 4820-01-178-2896 is a Head,relief Valve, manufactured by Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-178-2896?

NSN 4820-01-178-2896 has 2 cross-referenced part numbers: 30755 (Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group), 50774 (Jetstream of Houston, Llp Dba Jetstream of Houston Llp).

What NSN replaces 4820-01-178-2896?

There are 6 known substitutes for 4820-01-178-2896: 5315-00-010-3418, 5210-00-287-3336, 3040-00-392-7797 and 3 more. Verify interchangeability with system specifications before substitution.

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