PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

321-14Mount,resilient,weapon System

Longwood Elastomers Inc Affil of Longwood Industries · NSN 5342-01-387-7374 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-387-7374 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-387-7374. Primary manufacturer part number: 321-14.
Features
  • Mount,resilient,weapon System — FSC 5342
  • 2 verified cross-references
  • Primary manufacturer: Longwood Elastomers Inc Affil of Longwood Industries
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-387-7374, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Longwood Elastomers Inc Affil of Longwood Industries. This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5342-01-387-7374
Primary Part Number321-14
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerLongwood Elastomers Inc Affil of Longwood Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2940-00-244-003232114-5 INTERCHANGEABLE
Filter Body,fluid
Garrison Manufacturing Inc
5930-00-296-4261410-1-19M INTERCHANGEABLE
Switch,pressure
Barksdale, Inc
5360-00-574-230232114 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6135-01-341-8003 INTERCHANGEABLE
Battery Assembly
6515-01-603-6619VCP496ZH INTERCHANGEABLE
Suture,absorbable,surgical
Ethicon Us Llc Div Ethicon
5305-01-729-243932114 INTERCHANGEABLE
Screw,cap,socket Head
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
4820-01-735-503232114 INTERCHANGEABLE
Retainer,seat,valve
Flowserve Inc
Cross-Reference Index
Part NumberManufacturer
321-14 Lanxess Corporation (USA)
321-14 PRIMARY Longwood Elastomers Inc Affil of Longwood Industries (USA)
Related Parts
2940-00-244-0032INTERCHANGEABLE
FILTER BODY,FLUID
32114-5
5930-00-296-4261INTERCHANGEABLE
SWITCH,PRESSURE
410-1-19M
5360-00-574-2302INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
32114
6135-01-341-8003INTERCHANGEABLE
BATTERY ASSEMBLY
6515-01-603-6619INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL
VCP496ZH
5305-01-729-2439INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
32114
4820-01-735-5032INTERCHANGEABLE
RETAINER,SEAT,VALVE
32114

Frequently Asked Questions

What is NSN 5342-01-387-7374?

NSN 5342-01-387-7374 is a Mount,resilient,weapon System, manufactured by Longwood Elastomers Inc Affil of Longwood Industries, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-01-387-7374?

NSN 5342-01-387-7374 has 2 cross-referenced part numbers: 321-14 (Lanxess Corporation), 321-14 (Longwood Elastomers Inc Affil of Longwood Industries).

What NSN replaces 5342-01-387-7374?

There are 7 known substitutes for 5342-01-387-7374: 2940-00-244-0032, 5930-00-296-4261, 5360-00-574-2302 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 321-14?

Key specifications for 321-14: Special Features: SYNTHETIC NATURAL RUBBER. 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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