PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

904386-21Screw,machine

General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems · NSN 5305-00-770-2580 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-770-2580 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-770-2580. Primary manufacturer part number: 904386-21.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Screw Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
  • Thread Quantity Per Inch: 40
  • Fastener Length: 0.438 INCHES NOMINAL IN
  • Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-770-2580, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 22 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-770-2580
Primary Part Number904386-21
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
StatusCANCELLED
Thread Class2A A
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Internal Drive StyleCROSS RECESS TYPE 1
Screw MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
Thread Quantity Per Inch40
Fastener Length0.438 INCHES NOMINAL IN
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Thread Length0.388 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Nominal Thread Diameter0.112 INCHES IN
Thread DirectionRIGHT-HAND
Head Diameter0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
Screw Surface TreatmentPASSIVATE
Screw Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw Material Document and Classification66 FED STD ALL MATERIAL RESPONSES
Head StyleFLAT COUNTERSUNK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1680-00-044-2860A02HS139-5 INTERCHANGEABLE
Control Assembly,push-Pull
The Boeing Company
5305-00-054-5650 INTERCHANGEABLE
Screw,machine
5940-00-177-4354012-2010-479 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
6645-00-449-2637 INTERCHANGEABLE
Spring-Click Wire
5310-00-576-8136245125 INTERCHANGEABLE
Washer,flat
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5120-00-580-2359EX-2 INTERCHANGEABLE
Extractor,screw
Stanley Tools Div of Stanley Works
5305-00-718-9434 INTERCHANGEABLE
Screw,machine
5950-00-838-4005 INTERCHANGEABLE
Coil,radio Frequency
5305-01-180-9348 INTERCHANGEABLE
Screw,machine
6625-01-417-210022-225 INTERCHANGEABLE
Voltmeter
Electro Switch Corp. Dba Arga Controls a Unit of Electro Switch Div Arga Controls a Unit of Electo Switch Corp.
Cross-Reference Index
Part NumberManufacturer
22225ADX Airdale Express Llc Div Airdale Express (USA)
P342-0047-000 Allied Products Corp Pheoll Mfg Co Div (USA)
0920-16 Honeywell International Inc. Dba Honeywell International (USA)
MS51959-16 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35200-15 Zf Industrieantriebe Witten Gmbh (DEU)
5305007702580 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
8929205-111 L3 Technologies, Inc. Div Communication Systems-East (USA)
8929205-111 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
G7213-147 Kearfott Corporation Div Guidance and Navigation Division (USA)
904386-21 PRIMARY General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN)
VA-97-0172-016 Leonardo Uk Ltd (GBR)
245125 Sinclair Technologies Inc. (CAN)
105C4-7 Teledyne Camera Systems Teledyne Inc Company (USA)
10079890 Nimikkeistokeskus Ncb Finland (FIN)
MS51959-16 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
40524003616 Tadiran Ltd (ISR)
22225 Federal Screw Products, Inc. (USA)
AN505C4-7 Aeronautical Standards Group Dept of Navy and Air Force (USA)
418198-16 Raytheon Company Dba Raytheon (USA)
2950&416C23G Recon/optical, Inc. (USA)
Related Parts
1680-00-044-2860INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
A02HS139-5
5305-00-054-5650INTERCHANGEABLE
SCREW,MACHINE
5940-00-177-4354INTERCHANGEABLE
TERMINAL,FEEDTHRU
012-2010-479
6645-00-449-2637INTERCHANGEABLE
SPRING-CLICK WIRE
5310-00-576-8136INTERCHANGEABLE
WASHER,FLAT
245125
5120-00-580-2359INTERCHANGEABLE
EXTRACTOR,SCREW
EX-2
5305-00-718-9434INTERCHANGEABLE
SCREW,MACHINE
5950-00-838-4005INTERCHANGEABLE
COIL,RADIO FREQUENCY
5305-01-180-9348INTERCHANGEABLE
SCREW,MACHINE
6625-01-417-2100INTERCHANGEABLE
VOLTMETER
22-225
5315-01-480-7673INTERCHANGEABLE
PIN,SPRING
22225
6510-01-592-3162INTERCHANGEABLE
BANDAGE,ELASTIC
AB1005P-6

Frequently Asked Questions

What is NSN 5305-00-770-2580?

NSN 5305-00-770-2580 is a Screw,machine, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-770-2580?

NSN 5305-00-770-2580 has 25 cross-referenced part numbers: 22225ADX (Airdale Express Llc Div Airdale Express), P342-0047-000 (Allied Products Corp Pheoll Mfg Co Div), 0920-16 (Honeywell International Inc. Dba Honeywell International), MS51959-16 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35200-15 (Zf Industrieantriebe Witten Gmbh) and 20 more.

What NSN replaces 5305-00-770-2580?

There are 12 known substitutes for 5305-00-770-2580: 1680-00-044-2860, 5305-00-054-5650, 5940-00-177-4354 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 904386-21?

Key specifications for 904386-21: Thread Class: 2A A; Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS; Internal Drive Style: CROSS RECESS TYPE 1; Screw Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-770-2580 still in active supply?

NSN 5305-00-770-2580 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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