PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

325-1Cap,filler Opening

Alfa Laval Inc. · NSN 5342-00-218-5906 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-218-5906 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-218-5906. Primary manufacturer part number: 325-1.
Features
  • Cap,filler Opening — FSC 5342
  • Material: COPPER ALLOY OVERALL
  • Pressure Relief Method: AUTOMATIC
  • Style Designator: CIRCULAR TYPE THREADED INTERNAL
  • Outside Diameter: 1.375 INCHES NOMINAL IN
  • System for Which Designed: PRESSURIZED
  • 2 verified cross-references
  • Primary manufacturer: Alfa Laval Inc.
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 5342-00-218-5906, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Alfa Laval Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN5342-00-218-5906
Primary Part Number325-1
Item NameCap,filler Opening
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerAlfa Laval Inc.
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Pressure Relief MethodAUTOMATIC
Style DesignatorCIRCULAR TYPE THREADED INTERNAL
Outside Diameter1.375 INCHES NOMINAL IN
System for Which DesignedPRESSURIZED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-239-29913251 INTERCHANGEABLE
Valve,safety Relief
Tactair Fluid Controls Inc
3120-00-378-97173251 INTERCHANGEABLE
Bearing,washer,thrust
Manitowoc Engineering Co Division of the Manitowoc Co Inc
5950-00-393-1514SM-B-78757 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
8010-00-431-6213 INTERCHANGEABLE
Remover,paint
3110-00-554-5968 INTERCHANGEABLE
Bearing,ball,annular
3120-00-633-0821204-030-788-1 INTERCHANGEABLE
Roller,linear-Rotary Motion
Bell Textron Inc
5815-00-714-15463251 INTERCHANGEABLE
Rod
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
8010-00-815-2970STRIPPER 11-001GL INTERCHANGEABLE
Remover,paint
Crest Industrial Chemicals Inc
6920-00-894-7381 INTERCHANGEABLE
Drum Assembly
2915-00-985-47493251 INTERCHANGEABLE
Poppet,fuel Nozzle
Collins Engine Nozzles, Inc
Cross-Reference Index
Part NumberManufacturer
325-1 Alfa Laval Inc. (USA)
AB335-1-1 Alfa Laval Inc. (USA)
Related Parts
4820-00-239-2991INTERCHANGEABLE
VALVE,SAFETY RELIEF
3251
3120-00-378-9717INTERCHANGEABLE
BEARING,WASHER,THRUST
3251
5950-00-393-1514INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-B-78757
8010-00-431-6213INTERCHANGEABLE
REMOVER,PAINT
3110-00-554-5968INTERCHANGEABLE
BEARING,BALL,ANNULAR
3120-00-633-0821INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
204-030-788-1
5815-00-714-1546INTERCHANGEABLE
ROD
3251
8010-00-815-2970INTERCHANGEABLE
REMOVER,PAINT
STRIPPER 11-001GL
6920-00-894-7381INTERCHANGEABLE
DRUM ASSEMBLY
2915-00-985-4749INTERCHANGEABLE
POPPET,FUEL NOZZLE
3251
5325-01-079-7431INTERCHANGEABLE
GROMMET,NONMETALLIC
3251
9320-01-083-0463INTERCHANGEABLE
RUBBER SHEET,SOLID

Frequently Asked Questions

What is NSN 5342-00-218-5906?

NSN 5342-00-218-5906 is a Cap,filler Opening, manufactured by Alfa Laval Inc., classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-218-5906?

NSN 5342-00-218-5906 has 2 cross-referenced part numbers: 325-1 (Alfa Laval Inc.), AB335-1-1 (Alfa Laval Inc.).

What NSN replaces 5342-00-218-5906?

There are 12 known substitutes for 5342-00-218-5906: 4820-00-239-2991, 3120-00-378-9717, 5950-00-393-1514 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 325-1?

Key specifications for 325-1: Material: COPPER ALLOY OVERALL; Pressure Relief Method: AUTOMATIC; Overall Height: 0.750 INCHES NOMINAL IN; Style Designator: CIRCULAR TYPE THREADED INTERNAL. 6 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