PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18044Washer,key

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 5310-00-693-7720 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-693-7720 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-693-7720. Primary manufacturer part number: 18044.
Features
  • Washer,key — FSC 5310
  • Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: KEY
  • Material Thickness: 0.010 INCHES NOMINAL IN
  • Outside Diameter: 0.500 INCHES NOMINAL IN
  • External Prebent Key Length: 0.062 INCHES MAXIMUM IN
  • External Prebent Key Width: 0.039 INCHES NOMINAL IN
  • Hole Diameter: 0.203 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-693-7720, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-693-7720
Primary Part Number18044
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorKEY
Material Thickness0.010 INCHES NOMINAL IN
Outside Diameter0.500 INCHES NOMINAL IN
External Prebent Key Length0.062 INCHES MAXIMUM IN
External Prebent Key Width0.039 INCHES NOMINAL IN
Hole Diameter0.203 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-100-3551 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5365-00-505-5366A1804-4 INTERCHANGEABLE
Shim,special,motor
Aerocontrolex Group, Inc. Div Talley Actuators
5940-00-851-5611180-4-4 INTERCHANGEABLE
Splice,conductor
American Aluminum Products Inc
6105-01-176-8618 INTERCHANGEABLE
Motor,control
4820-01-303-590418044 INTERCHANGEABLE
Valve,shutoff
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
18044 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
3110-00-100-3551INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5365-00-505-5366INTERCHANGEABLE
SHIM,SPECIAL,MOTOR
A1804-4
5940-00-851-5611INTERCHANGEABLE
SPLICE,CONDUCTOR
180-4-4
6105-01-176-8618INTERCHANGEABLE
MOTOR,CONTROL
4820-01-303-5904INTERCHANGEABLE
VALVE,SHUTOFF
18044

Frequently Asked Questions

What is NSN 5310-00-693-7720?

NSN 5310-00-693-7720 is a Washer,key, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-693-7720?

NSN 5310-00-693-7720 has 1 cross-referenced part number: 18044 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 5310-00-693-7720?

There are 5 known substitutes for 5310-00-693-7720: 3110-00-100-3551, 5365-00-505-5366, 5940-00-851-5611 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18044?

Key specifications for 18044: Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Style Designator: KEY; Material Thickness: 0.010 INCHES NOMINAL IN; Special Features: ONE EXTERNAL KEY. 10 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