PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90-068Valve,safety Relief

Bluezone Group Pty Limited · NSN 4820-01-689-2689 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-689-2689 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-689-2689. Primary manufacturer part number: 90-068.
Features
  • Valve,safety Relief — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Bluezone Group Pty Limited
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-689-2689, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bluezone Group Pty Limited. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersBluezone Group Pty Limited (CAGE Z0ZT6); Hii Unmanned Systems, Inc (CAGE 4Z5A9); Leidos Australia Pty Limited (CAGE Z0YR8)
Technical Specifications
ParameterValue
NSN4820-01-689-2689
Primary Part Number90-068
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBluezone Group Pty Limited
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5325-00-205-642990068 INTERCHANGEABLE
Ring,retaining
Eaton Aerospace, Llc Dba Jackson South
1560-00-343-932790068 INTERCHANGEABLE
Fitting,torque Tube
Northrop Grumman Systems Corporation
6625-00-520-429690068 INTERCHANGEABLE
Meter,special Scale
United Western Technologies Corp.
5360-00-535-1941 INTERCHANGEABLE
Spring,spiral,torsion
5340-00-968-655490068 INTERCHANGEABLE
Mount,resilient,utility
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5961-01-017-931490068 INTERCHANGEABLE
Semiconductor Device,diode
Hamilton Sundstrand Corporation Dba Collins Aerospace
2990-01-225-559290068 INTERCHANGEABLE
Silencer,drain Disc
Stoddard Silencers Inc
6505-01-274-0951NDC11704-0600-01 INTERCHANGEABLE
Diazepam Injection
Meridian Medical Technologies, Llc Dba Meridian Medical Technologies Inc
Cross-Reference Index
Part NumberManufacturer
90-068 Bluezone Group Pty Limited (AUS)
90-068 Hii Unmanned Systems, Inc (USA)
90-068 Leidos Australia Pty Limited (AUS)
Related Parts
5325-00-205-6429INTERCHANGEABLE
RING,RETAINING
90068
1560-00-343-9327INTERCHANGEABLE
FITTING,TORQUE TUBE
90068
6625-00-520-4296INTERCHANGEABLE
METER,SPECIAL SCALE
90068
5360-00-535-1941INTERCHANGEABLE
SPRING,SPIRAL,TORSION
5340-00-968-6554INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
90068
5961-01-017-9314INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
90068
2990-01-225-5592INTERCHANGEABLE
SILENCER,DRAIN DISC
90068
6505-01-274-0951INTERCHANGEABLE
DIAZEPAM INJECTION
NDC11704-0600-01

Frequently Asked Questions

What is NSN 4820-01-689-2689?

NSN 4820-01-689-2689 is a Valve,safety Relief, manufactured by Bluezone Group Pty Limited, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-689-2689?

NSN 4820-01-689-2689 has 3 cross-referenced part numbers: 90-068 (Bluezone Group Pty Limited), 90-068 (Hii Unmanned Systems, Inc), 90-068 (Leidos Australia Pty Limited).

What NSN replaces 4820-01-689-2689?

There are 8 known substitutes for 4820-01-689-2689: 5325-00-205-6429, 1560-00-343-9327, 6625-00-520-4296 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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