PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51143Cap,filler Opening

Heil Trailer International Llc · NSN 5342-01-331-9539 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-331-9539 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-331-9539. Primary manufacturer part number: 51143.
Features
  • Cap,filler Opening — FSC 5342
  • 1 verified cross-reference
  • Primary manufacturer: Heil Trailer International Llc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Cap,filler Opening, cataloged under National Stock Number 5342-01-331-9539, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Heil Trailer International Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCap,filler Opening
FSC / FSG5342 — Mount,resilient,weapon System (FSG 53)
ManufacturersHeil Trailer International Llc (CAGE 63576)
Technical Specifications
ParameterValue
NSN5342-01-331-9539
Primary Part Number51143
Item NameCap,filler Opening
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerHeil Trailer International Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5136-00-156-2987 INTERCHANGEABLE
Chasers,thread Cutting
2940-00-825-440020141 INTERCHANGEABLE
Filter Element,fluid
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
5930-00-956-938551143 INTERCHANGEABLE
Switch
Alliance Laundry Systems Llc
4510-01-340-2369R8923-1212-RB INTERCHANGEABLE
Spud,plumbing
Sanitary-Dash Mfg Co Inc
5310-01-420-1982 INTERCHANGEABLE
Nut,plain,hexagon
6910-01-489-451551143 INTERCHANGEABLE
Training Aid,cartridge
American Apex Corporation
Cross-Reference Index
Part NumberManufacturer
51143 PRIMARY Heil Trailer International Llc (USA)
Related Parts
5136-00-156-2987INTERCHANGEABLE
CHASERS,THREAD CUTTING
2940-00-825-4400INTERCHANGEABLE
FILTER ELEMENT,FLUID
20141
5930-00-956-9385INTERCHANGEABLE
SWITCH
51143
4510-01-340-2369INTERCHANGEABLE
SPUD,PLUMBING
R8923-1212-RB
5310-01-420-1982INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6910-01-489-4515INTERCHANGEABLE
TRAINING AID,CARTRIDGE
51143

Frequently Asked Questions

What is NSN 5342-01-331-9539?

NSN 5342-01-331-9539 is a Cap,filler Opening, manufactured by Heil Trailer International Llc, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-01-331-9539?

NSN 5342-01-331-9539 has 1 cross-referenced part number: 51143 (Heil Trailer International Llc).

What NSN replaces 5342-01-331-9539?

There are 6 known substitutes for 5342-01-331-9539: 5136-00-156-2987, 2940-00-825-4400, 5930-00-956-9385 and 3 more. Verify interchangeability with system specifications before substitution.

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