PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-901Valve,safety Relief

Trw Inc Trw Mission Drillling Products Div · NSN 4820-00-980-4936 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-980-4936 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-980-4936. Primary manufacturer part number: 2-901.
Features
  • Valve,safety Relief — FSC 4820
  • FSC Application Data: VALVE RELF 1.00IPS
  • 1 verified cross-reference
  • Primary manufacturer: Trw Inc Trw Mission Drillling Products Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-980-4936, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trw Inc Trw Mission Drillling Products Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-00-980-4936
Primary Part Number2-901
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrw Inc Trw Mission Drillling Products Div
StatusACTIVE
FSC Application DataVALVE RELF 1.00IPS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6740-00-075-1009290-3 INTERCHANGEABLE
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3110-00-156-1851 INTERCHANGEABLE
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5975-00-194-886224151-3-4 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
2-901 Trw Inc Trw Mission Drillling Products Div (USA)
Related Parts
6740-00-075-1009INTERCHANGEABLE
EASEL,PROJECTION PRINTING
290-3
3110-00-156-1851INTERCHANGEABLE
BEARING,BALL,THRUST
5975-00-194-8862INTERCHANGEABLE
JUNCTION BOX
24151-3-4
4730-00-203-6315INTERCHANGEABLE
CUP,GREASE
5975-00-234-4142INTERCHANGEABLE
CABINET,ELECTRICAL EQUIPMENT
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4710-00-388-7605INTERCHANGEABLE
TUBE,BENT,METALLIC
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6625-00-483-2619INTERCHANGEABLE
GENERATOR,ELECTRONIC MARKER
PDSANE-6625-22
5325-00-543-3942INTERCHANGEABLE
GROMMET,NONMETALLIC
15814P1
5325-00-810-5717INTERCHANGEABLE
GROMMET,NONMETALLIC
2901
5325-00-928-5929INTERCHANGEABLE
GROMMET,NONMETALLIC
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ATTENUATOR,FIXED
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HEAD,MAGNETIC
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Frequently Asked Questions

What is NSN 4820-00-980-4936?

NSN 4820-00-980-4936 is a Valve,safety Relief, manufactured by Trw Inc Trw Mission Drillling Products Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-980-4936?

NSN 4820-00-980-4936 has 1 cross-referenced part number: 2-901 (Trw Inc Trw Mission Drillling Products Div).

What NSN replaces 4820-00-980-4936?

There are 12 known substitutes for 4820-00-980-4936: 6740-00-075-1009, 3110-00-156-1851, 5975-00-194-8862 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-901?

Key specifications for 2-901: FSC Application Data: VALVE RELF 1.00IPS. 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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