PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18338Base Assembly

Alamo Aircraft, Ltd. · NSN 2835-00-654-6780 · FSC 2835 · No Item Name Available
Verified by PartsTable
NSN 2835-00-654-6780 — this item is cataloged by the U.S. Government under National Stock Number 2835-00-654-6780. Primary manufacturer part number: 18338.
Features
  • Base Assembly — FSC 2835
  • General Characteristics Item Description: CONSISTS OF PART NUMBERS 99947-C.098 RECEPTACLE,11330 BOSS BASE DRAIN,11142-6 TUBE,18338-4 SPACER MATL 0.063 STEEL PER MIL-S-6721,11142-5 SPACER,11142-7 SPACER,18338-1 BASE AND ASSORTED HARDWARE
  • 2 verified cross-references
  • Primary manufacturer: Alamo Aircraft, Ltd.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Base Assembly, cataloged under National Stock Number 2835-00-654-6780, is classified within Federal Supply Class 2835 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Alamo Aircraft, Ltd.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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
NSN2835-00-654-6780
Primary Part Number18338
Item NameBase Assembly
FSC / FSG2835 / 28 — No Item Name Available
ManufacturerAlamo Aircraft, Ltd.
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF PART NUMBERS 99947-C.098 RECEPTACLE,11330 BOSS BASE DRAIN,11142-6 TUBE,18338-4 SPACER MATL 0.063 STEEL PER MIL-S-6721,11142-5 SPACER,11142-7 SPACER,18338-1 BASE AND ASSORTED HARDWARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-080-468218338 INTERCHANGEABLE
Coil,radio Frequency
Albert Frei & Sons, Inc. Dba Afs
5133-00-838-5368 INTERCHANGEABLE
Drill,twist
6130-01-035-8984 INTERCHANGEABLE
Cover,top
5330-01-071-795618338 INTERCHANGEABLE
Gasket
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
5305-01-273-499918338 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
4130-01-501-7354835-P080-100 INTERCHANGEABLE
Vacu-Discs,gold Psa
Dcm Clean Air Products, Inc.
6515-01-588-89490270-0681 INTERCHANGEABLE
Stylet,tracheal Tube
Verathon Inc
Cross-Reference Index
Part NumberManufacturer
18338 PRIMARY Alamo Aircraft, Ltd. (USA)
18338 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
5950-00-080-4682INTERCHANGEABLE
COIL,RADIO FREQUENCY
18338
5133-00-838-5368INTERCHANGEABLE
DRILL,TWIST
6130-01-035-8984INTERCHANGEABLE
COVER,TOP
5330-01-071-7956INTERCHANGEABLE
GASKET
18338
5305-01-273-4999INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
18338
4130-01-501-7354INTERCHANGEABLE
VACU-DISCS,GOLD PSA
835-P080-100
6515-01-588-8949INTERCHANGEABLE
STYLET,TRACHEAL TUBE
0270-0681

Frequently Asked Questions

What is NSN 2835-00-654-6780?

NSN 2835-00-654-6780 is a Base Assembly, manufactured by Alamo Aircraft, Ltd., classified under FSC 2835 (No Item Name Available). Status: active.

What are the part numbers for NSN 2835-00-654-6780?

NSN 2835-00-654-6780 has 2 cross-referenced part numbers: 18338 (Alamo Aircraft, Ltd.), 18338 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 2835-00-654-6780?

There are 7 known substitutes for 2835-00-654-6780: 5950-00-080-4682, 5133-00-838-5368, 6130-01-035-8984 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18338?

Key specifications for 18338: End Item Identification: T-41M-9 ENG; General Characteristics Item Description: CONSISTS OF PART NUMBERS 99947-C.098 RECEPTACLE,11330 BOSS BASE DRAIN,11142-6 TUBE,18338-4 SPACER MATL 0.063 STEEL PER MIL-S-6721,11142-5 SPACER,11142-7 SPACER,18338-1 BASE AND ASSORTED HARDWARE. 2 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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