PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42982Cap,valve

Spirax Sarco Inc Dba Spirax Sarco · NSN 4820-00-399-2879 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-399-2879 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-399-2879. Primary manufacturer part number: 42982.
Features
  • Cap,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Spirax Sarco Inc Dba Spirax Sarco
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cap,valve, cataloged under National Stock Number 4820-00-399-2879, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. 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
NSN4820-00-399-2879
Primary Part Number42982
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5342-00-488-575942982 INTERCHANGEABLE
Coupling,clamp,grooved
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
3110-00-554-5966297378 INTERCHANGEABLE
Bearing,ball,annular
Acf Industries Inc
5950-00-660-73799167314 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
2940-01-048-657842982 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5962-01-089-144842982 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5930-01-157-455139485 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5360-01-290-635142982 INTERCHANGEABLE
Spring,flat
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
Cross-Reference Index
Part NumberManufacturer
42982 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
5342-00-488-5759INTERCHANGEABLE
COUPLING,CLAMP,GROOVED
42982
3110-00-554-5966INTERCHANGEABLE
BEARING,BALL,ANNULAR
297378
5950-00-660-7379INTERCHANGEABLE
TRANSFORMER,POWER
9167314
2940-01-048-6578INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42982
5962-01-089-1448INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42982
5930-01-157-4551INTERCHANGEABLE
SWITCH,FLOW
39485
5360-01-290-6351INTERCHANGEABLE
SPRING,FLAT
42982

Frequently Asked Questions

What is NSN 4820-00-399-2879?

NSN 4820-00-399-2879 is a Cap,valve, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-399-2879?

NSN 4820-00-399-2879 has 1 cross-referenced part number: 42982 (Spirax Sarco Inc Dba Spirax Sarco).

What NSN replaces 4820-00-399-2879?

There are 7 known substitutes for 4820-00-399-2879: 5342-00-488-5759, 3110-00-554-5966, 5950-00-660-7379 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42982?

Key specifications for 42982: Special Features: STEEL CORROSION RESISTING,29/32 IN. O/A LG,5/8 IN. O/D,END TAPERED 60 DEGREE,INTERNAL UN-THD 5/16 IN.,FOR DEPTH OF 5/8 IN. W/SET SCREW SIZE 7,30 INTERNAL THD IN. 1 total characteristics are documented in the Federal Logistics Information System.

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