PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8890568Screw,machine

Us Army Aviation and Missile Command · NSN 5305-00-579-5837 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-579-5837 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-579-5837. Primary manufacturer part number: 8890568.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Fastener Length: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Screw Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
  • Screw Material: COPPER ALLOY
  • Thread Length: 0.262 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Head Style: PAN NO. 2
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-579-5837, 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 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-579-5837
Primary Part Number8890568
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Screw Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
Screw MaterialCOPPER ALLOY
Thread Length0.262 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Thread Class2A A
Head StylePAN NO. 2
Thread DirectionRIGHT-HAND
Departure From Cited DesignatorAS MODIFIED BY SURFACE TREATMENT
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw Surface TreatmentNICKEL
Head Height0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
Nominal Thread Diameter0.112 INCHES IN
Thread Quantity Per Inch40
Head Diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-207-7466 INTERCHANGEABLE
Screw,machine
5305-00-550-9329 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
8890568 PRIMARY Us Army Aviation and Missile Command (USA)
0452-128 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
MS35229-14 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-207-7466INTERCHANGEABLE
SCREW,MACHINE
5305-00-550-9329INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-00-579-5837?

NSN 5305-00-579-5837 is a Screw,machine, manufactured by Us Army Aviation and Missile Command, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-579-5837?

NSN 5305-00-579-5837 has 3 cross-referenced part numbers: 8890568 (Us Army Aviation and Missile Command), 0452-128 (Lockheed Martin Corporation Div Rms - Mitchel Field), MS35229-14 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-579-5837?

There are 2 known substitutes for 5305-00-579-5837: 5305-00-207-7466, 5305-00-550-9329. Verify interchangeability with system specifications before substitution.

What are the specifications of 8890568?

Key specifications for 8890568: Internal Drive Style: CROSS RECESS TYPE 1; Fastener Length: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE; Screw Material: COPPER ALLOY. 16 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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