PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8821Screw,machine

Triumph Engine Control Systems Llc · NSN 5305-00-286-0291 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-286-0291 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-286-0291. Primary manufacturer part number: 8821.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 3A A
  • Thread Series Designator: UNF
  • Width Between Flats: 0.375 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32
  • Thread Length: 0.562 INCHES NOMINAL IN
  • Screw Material Document and Classification: AMS 6320 ASSN STD SINGLE MATERIAL RESPONSE
  • Screw Surface Treatment: CADMIUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-286-0291, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-286-0291
Primary Part Number8821
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Thread Class3A A
Thread Series DesignatorUNF
Width Between Flats0.375 INCHES NOMINAL IN
Thread Quantity Per Inch32
Thread Length0.562 INCHES NOMINAL IN
Screw Material Document and ClassificationAMS 6320 ASSN STD SINGLE MATERIAL RESPONSE
Screw Surface TreatmentCADMIUM
Head Height0.180 INCHES NOMINAL IN
Head StyleHEXAGON
Screw MaterialSTEEL COMP 8735
Nominal Thread Diameter0.190 INCHES IN
Thread DirectionRIGHT-HAND
Fastener Length0.562 INCHES NOMINAL IN
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2825-00-146-42418821 INTERCHANGEABLE
Piston
Northrop Grumman Systems Corporation Div Marine Systems
5305-00-149-969392938 INTERCHANGEABLE
Screw,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4910-00-403-8167 INTERCHANGEABLE
Chuck Rod,movable
5950-00-464-25115T806 INTERCHANGEABLE
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Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc
5995-00-617-088523990SP INTERCHANGEABLE
Cord Assembly,electrical
Roanwell, Llc
6660-00-921-79678821 INTERCHANGEABLE
Mechasim Unit
Belfort Instrument Company
5975-00-925-93158821 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5960-01-019-8760 INTERCHANGEABLE
Electron Tube
5895-01-101-62998821 INTERCHANGEABLE
Divider,power,radio Frequency
Marc Alan Group the, Inc
5330-01-139-61018821 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
8821 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
2825-00-146-4241INTERCHANGEABLE
PISTON
8821
5305-00-149-9693INTERCHANGEABLE
SCREW,MACHINE
92938
4910-00-403-8167INTERCHANGEABLE
CHUCK ROD,MOVABLE
5950-00-464-2511INTERCHANGEABLE
TRANSFORMER,POWER
5T806
5995-00-617-0885INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
23990SP
6660-00-921-7967INTERCHANGEABLE
MECHASIM UNIT
8821
5975-00-925-9315INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8821
5960-01-019-8760INTERCHANGEABLE
ELECTRON TUBE
5895-01-101-6299INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
8821
5330-01-139-6101INTERCHANGEABLE
SEAL,PLAIN ENCASED
8821
6740-01-224-8607INTERCHANGEABLE
FRAME,PHOTOGRAPHIC PRINTING
5950-01-244-0515INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
NH12393

Frequently Asked Questions

What is NSN 5305-00-286-0291?

NSN 5305-00-286-0291 is a Screw,machine, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-286-0291?

NSN 5305-00-286-0291 has 1 cross-referenced part number: 8821 (Triumph Engine Control Systems Llc).

What NSN replaces 5305-00-286-0291?

There are 12 known substitutes for 5305-00-286-0291: 2825-00-146-4241, 5305-00-149-9693, 4910-00-403-8167 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8821?

Key specifications for 8821: Thread Class: 3A A; Thread Series Designator: UNF; Width Between Flats: 0.375 INCHES NOMINAL IN; Thread Quantity Per Inch: 32. 14 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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