PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EAB1721Screw,machine

Us Army Aviation and Missile Command · NSN 5305-00-147-6334 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-147-6334 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-147-6334. Primary manufacturer part number: EAB1721.
Features
  • Screw,machine — FSC 5305
  • Fastener Length: 0.300 INCHES NOMINAL IN
  • Head Diameter: 0.220 INCHES NOMINAL IN
  • Screw Material Document and Classification: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
  • Head Height: 0.065 INCHES NOMINAL IN
  • Internal Drive Style: SLOT
  • Screw Surface Treatment: CADMIUM
  • Thread Length: 0.270 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-147-6334, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-147-6334
Primary Part NumberEAB1721
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
Fastener Length0.300 INCHES NOMINAL IN
Head Diameter0.220 INCHES NOMINAL IN
Screw Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
Head Height0.065 INCHES NOMINAL IN
Internal Drive StyleSLOT
Screw Surface TreatmentCADMIUM
Thread Length0.270 INCHES MINIMUM IN
Head StyleFLAT CHAMFER
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.164 INCHES IN
Thread Quantity Per Inch32
Thread Class3A A
Screw MaterialSTEEL COMP 8740
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2640-00-555-2840 INTERCHANGEABLE
Valve,pneumatic Tire
5342-00-735-514677591 INTERCHANGEABLE
Boot,electrode
Mine Safety Appliances Company
7030-01-500-903077591 INTERCHANGEABLE
Software
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
Cross-Reference Index
Part NumberManufacturer
77591 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
EAB1721 PRIMARY Us Army Aviation and Missile Command (USA)
77591 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
2640-00-555-2840INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
5342-00-735-5146INTERCHANGEABLE
BOOT,ELECTRODE
77591
7030-01-500-9030INTERCHANGEABLE
SOFTWARE
77591

Frequently Asked Questions

What is NSN 5305-00-147-6334?

NSN 5305-00-147-6334 is a Screw,machine, manufactured by Us Army Aviation and Missile Command, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-147-6334?

NSN 5305-00-147-6334 has 3 cross-referenced part numbers: 77591 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), EAB1721 (Us Army Aviation and Missile Command), 77591 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5305-00-147-6334?

There are 3 known substitutes for 5305-00-147-6334: 2640-00-555-2840, 5342-00-735-5146, 7030-01-500-9030. Verify interchangeability with system specifications before substitution.

What are the specifications of EAB1721?

Key specifications for EAB1721: Fastener Length: 0.300 INCHES NOMINAL IN; Head Diameter: 0.220 INCHES NOMINAL IN; Screw Material Document and Classification: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE; Head Height: 0.065 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-147-6334 still in active supply?

NSN 5305-00-147-6334 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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