PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

837-3061Screw,machine

Northrop Grumman Systems Corporation Div Es Defensive Systems Division · NSN 5305-00-590-3168 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-590-3168 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-590-3168. Primary manufacturer part number: 837-3061.
Features
  • Screw,machine — FSC 5305
  • Thread Quantity Per Inch: 32
  • Internal Drive Style: SLOT
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Departure From Cited Designator: AS MODIFIED BY QUALITY CONTROL NO.
  • Screw Material: STEEL CORROSION RESISTING
  • 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 5305-00-590-3168, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Es Defensive Systems Division. Government technical data includes 15 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-590-3168
Primary Part Number837-3061
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Es Defensive Systems Division
StatusCANCELLED
Thread Quantity Per Inch32
Internal Drive StyleSLOT
Nominal Thread Diameter0.164 INCHES IN
Departure From Cited DesignatorAS MODIFIED BY QUALITY CONTROL NO.
Screw MaterialSTEEL CORROSION RESISTING
Thread Class2A A
Head StylePAN NO. 2
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Height0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head Diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Thread Length0.625 INCHES MAXIMUM IN
Screw Surface TreatmentPASSIVATE
Screw Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
Fastener Length0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5305-00-054-6671 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
837-3061 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
837-3061 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
MS35233-46 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-054-6671INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-00-590-3168?

NSN 5305-00-590-3168 is a Screw,machine, manufactured by Northrop Grumman Systems Corporation Div Es Defensive Systems Division, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-590-3168?

NSN 5305-00-590-3168 has 3 cross-referenced part numbers: 837-3061 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 837-3061 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), MS35233-46 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-590-3168?

There is 1 known substitute for 5305-00-590-3168: 5305-00-054-6671. Verify interchangeability with system specifications before substitution.

What are the specifications of 837-3061?

Key specifications for 837-3061: Thread Quantity Per Inch: 32; Internal Drive Style: SLOT; Nominal Thread Diameter: 0.164 INCHES IN; Departure From Cited Designator: AS MODIFIED BY QUALITY CONTROL NO.. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-590-3168 still in active supply?

NSN 5305-00-590-3168 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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