PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2354-1Crystal

Transtel Communications Ltd · NSN 5815-01-240-7776 · FSC 5815 · No Item Name Available
Verified by PartsTable
NSN 5815-01-240-7776 — this item is cataloged by the U.S. Government under National Stock Number 5815-01-240-7776. Primary manufacturer part number: 2354-1.
Features
  • Crystal — FSC 5815
  • 2 verified cross-references
  • Primary manufacturer: Transtel Communications Ltd
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal, cataloged under National Stock Number 5815-01-240-7776, is classified within Federal Supply Class 5815 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Transtel Communications Ltd. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCrystal
FSC / FSG5815 — No Item Name Available (FSG 58)
ManufacturersTranstel Communications Ltd (CAGE K8671); Extel Corp (CAGE 52247)
Technical Specifications
ParameterValue
NSN5815-01-240-7776
Primary Part Number2354-1
Item NameCrystal
FSC / FSG5815 / 58 — No Item Name Available
ManufacturerTranstel Communications Ltd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6685-00-301-4037235445-1 INTERCHANGEABLE
Control,temperature,indicating
Cam Fabricated Systems Inc
4730-00-504-267823541 INTERCHANGEABLE
Adapter,straight,flange to Hose
B E Aerospace Inc Services Div
5950-00-547-860523541 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc Div Space & Airborne Systems
3120-01-071-545923541 INTERCHANGEABLE
Bushing,sleeve
Meggitt Safety Systems Inc
3040-01-610-529723541 INTERCHANGEABLE
Aero-Caster
Aerogo, Inc Dba Aerogo Inc
Cross-Reference Index
Part NumberManufacturer
2354-1 Transtel Communications Ltd (GBR)
2354-1 Extel Corp (USA)
Related Parts
6685-00-301-4037INTERCHANGEABLE
CONTROL,TEMPERATURE,INDICATING
235445-1
4730-00-504-2678INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO HOSE
23541
5950-00-547-8605INTERCHANGEABLE
REACTOR
23541
3120-01-071-5459INTERCHANGEABLE
BUSHING,SLEEVE
23541
3040-01-610-5297INTERCHANGEABLE
AERO-CASTER
23541

Frequently Asked Questions

What is NSN 5815-01-240-7776?

NSN 5815-01-240-7776 is a Crystal, manufactured by Transtel Communications Ltd, classified under FSC 5815 (No Item Name Available). Status: active.

What are the part numbers for NSN 5815-01-240-7776?

NSN 5815-01-240-7776 has 2 cross-referenced part numbers: 2354-1 (Transtel Communications Ltd), 2354-1 (Extel Corp).

What NSN replaces 5815-01-240-7776?

There are 5 known substitutes for 5815-01-240-7776: 6685-00-301-4037, 4730-00-504-2678, 5950-00-547-8605 and 2 more. Verify interchangeability with system specifications before substitution.

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