PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9958Head,safety,pressure Relief

Amerex Corporation Dba Amerex Corp · NSN 4820-01-585-2536 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-585-2536 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-585-2536. Primary manufacturer part number: 9958.
Features
  • Head,safety,pressure Relief — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Amerex Corporation Dba Amerex Corp
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Head,safety,pressure Relief, cataloged under National Stock Number 4820-01-585-2536, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Amerex Corporation Dba Amerex Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-585-2536
Primary Part Number9958
Item NameHead,safety,pressure Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAmerex Corporation Dba Amerex Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4810-00-218-60779958 INTERCHANGEABLE
Seat,valve
Northrop Grumman Systems Corporation Div Marine Systems
5955-00-499-7337712731-7 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Div Rmd Strategic
2805-00-652-9757AD41A INTERCHANGEABLE
Guide,valve Stem
Wisconsin Motors, Llc
5950-01-081-273812272682 INTERCHANGEABLE
Transformer,power
U S Army Tank Automotive Command Amsta-Im-Mm
8010-01-097-5253 INTERCHANGEABLE
Thinner,paint Products
6515-01-437-7535312102 INTERCHANGEABLE
Mask,oronasal
Central Medical Services Inc
6665-01-569-3643500-0036-100 INTERCHANGEABLE
Battery Charger,lithium Ion Batt
Honeywell Analytics Inc.
Cross-Reference Index
Part NumberManufacturer
9958 PRIMARY Amerex Corporation Dba Amerex Corp (USA)
Related Parts
4810-00-218-6077INTERCHANGEABLE
SEAT,VALVE
9958
5955-00-499-7337INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
712731-7
2805-00-652-9757INTERCHANGEABLE
GUIDE,VALVE STEM
AD41A
5950-01-081-2738INTERCHANGEABLE
TRANSFORMER,POWER
12272682
8010-01-097-5253INTERCHANGEABLE
THINNER,PAINT PRODUCTS
6515-01-437-7535INTERCHANGEABLE
MASK,ORONASAL
312102
6665-01-569-3643INTERCHANGEABLE
BATTERY CHARGER,LITHIUM ION BATT
500-0036-100

Frequently Asked Questions

What is NSN 4820-01-585-2536?

NSN 4820-01-585-2536 is a Head,safety,pressure Relief, manufactured by Amerex Corporation Dba Amerex Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-585-2536?

NSN 4820-01-585-2536 has 1 cross-referenced part number: 9958 (Amerex Corporation Dba Amerex Corp).

What NSN replaces 4820-01-585-2536?

There are 7 known substitutes for 4820-01-585-2536: 4810-00-218-6077, 5955-00-499-7337, 2805-00-652-9757 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9958?

Key specifications for 9958: Special Features: NHA FIRE SUPPRESSION NITROGEN CYLINDER AND COMPONENTS MK2; End Item Identification: 2320-01-531-6425; TRUCK, TACTICAL (WHEELED) ARMORED SECURITY; Part Name Assigned by Controlling Agency: DISC, SAFETY. 3 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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