PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3994Deflector,dirt and Liquid

Del Mar Avionics, Llc · NSN 5340-00-811-4919 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-811-4919 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-811-4919. Primary manufacturer part number: 3994.
Features
  • Deflector,dirt and Liquid — FSC 5340
  • FSC Application Data: ARMAMENT TRAINING DEVICE
  • Material: COPPER ALLOY 268
  • Style Designator: ROUND, TAPERED
  • Material Document and Classification: QQ-B-613, COMP 1 FED SPEC SINGLE MATERIAL RESPONSE
  • Material Thickness: 0.005 INCHES NOMINAL IN
  • Outside Diameter: 1.437 INCHES NOMINAL IN
  • Body Length: 0.020 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy 268 construction
General Description

The Deflector,dirt and Liquid, cataloged under National Stock Number 5340-00-811-4919, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Del Mar Avionics, Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5340-00-811-4919
Primary Part Number3994
Item NameDeflector,dirt and Liquid
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerDel Mar Avionics, Llc
StatusACTIVE
FSC Application DataARMAMENT TRAINING DEVICE
MaterialCOPPER ALLOY 268
Style DesignatorROUND, TAPERED
Material Document and ClassificationQQ-B-613, COMP 1 FED SPEC SINGLE MATERIAL RESPONSE
Material Thickness0.005 INCHES NOMINAL IN
Outside Diameter1.437 INCHES NOMINAL IN
Body Length0.020 INCHES NOMINAL IN
Inside Diameter0.688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-01-228-6227 (242-0510-07-0)
HAZMATNo
Verified Substitutes 7
5340-01-228-6227242-0510-07-0 SUCCESSOR
Clamp,loop
Hale Products, Inc.
3110-00-100-30963994 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5365-00-187-1497206482PC4 INTERCHANGEABLE
Spacer,ring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-769-22183994 INTERCHANGEABLE
Screw,cap,hexagon Head
Fwd Seagrave Holdings Lp
5120-01-198-7053 INTERCHANGEABLE
Blade,nutdriver
4130-01-265-27243994 INTERCHANGEABLE
Filter Element,air Conditioning
Supreme Supply Co Inc Dba Supreme Supply Co Inc
6145-01-336-011283412 INTERCHANGEABLE
Cable,special Purpose,electrical
General Wire Products, Inc. Dba General Wire Products Inc
Cross-Reference Index
Part NumberManufacturer
3994 Del Mar Avionics, Llc (USA)
Related Parts
SUCCESSOR 5340-01-228-6227 Clamp,loop · 242-0510-07-0
3110-00-100-3096INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3994
5365-00-187-1497INTERCHANGEABLE
SPACER,RING
206482PC4
5305-00-769-2218INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3994
5120-01-198-7053INTERCHANGEABLE
BLADE,NUTDRIVER
4130-01-265-2724INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
3994
6145-01-336-0112INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
83412

Frequently Asked Questions

What is NSN 5340-00-811-4919?

NSN 5340-00-811-4919 is a Deflector,dirt and Liquid, manufactured by Del Mar Avionics, Llc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-811-4919?

NSN 5340-00-811-4919 has 1 cross-referenced part number: 3994 (Del Mar Avionics, Llc).

What NSN replaces 5340-00-811-4919?

There are 7 known substitutes for 5340-00-811-4919: 5340-01-228-6227, 3110-00-100-3096, 5365-00-187-1497 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3994?

Key specifications for 3994: FSC Application Data: ARMAMENT TRAINING DEVICE; Material: COPPER ALLOY 268; Style Designator: ROUND, TAPERED; Material Document and Classification: QQ-B-613, COMP 1 FED SPEC SINGLE MATERIAL RESPONSE. 8 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