PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

138522Screw,cap,socket Head

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5305-00-385-9193 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-385-9193 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-385-9193. Primary manufacturer part number: 138522.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: MIL-P-8585 MIL SPEC 1ST TREATMENT RESPONSE AND TT-E-527 FED SPEC 2ND TREATMENT RESPONSE HEAD
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment: CHROMATE ZINC AND ENAMEL HEAD
  • Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE GRIP
  • Nominal Thread Diameter: 0.112 INCHES IN
  • Material: STEEL CORROSION RESISTING OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-385-9193, 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 Dba Northrop Grumman Systems Corp. Government technical data includes 19 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-385-9193
Primary Part Number138522
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Head Height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationMIL-P-8585 MIL SPEC 1ST TREATMENT RESPONSE AND TT-E-527 FED SPEC 2ND TREATMENT RESPONSE HEAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentCHROMATE ZINC AND ENAMEL HEAD
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE GRIP
Nominal Thread Diameter0.112 INCHES IN
MaterialSTEEL CORROSION RESISTING OVERALL
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE THREADS
Head Diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE GRIP
Thread Quantity Per Inch40
Thread Length0.200 INCHES NOMINAL IN
Surface TreatmentPASSIVATE THREADS
Fastener Length0.250 INCHES NOMINAL IN
Internal Drive StyleCROSS RECESS TYPE 1
Locking FeaturePATCH OR PELLET OR STRIP THREADS
Thread Class2A A
Head StylePAN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-193-7577105090-503 INTERCHANGEABLE
Washer,lock
Raytheon Company
4810-01-199-7840138522 INTERCHANGEABLE
Cap,valve
Meggitt North Hollywood Inc
Cross-Reference Index
Part NumberManufacturer
138522 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5310-00-193-7577INTERCHANGEABLE
WASHER,LOCK
105090-503
4810-01-199-7840INTERCHANGEABLE
CAP,VALVE
138522

Frequently Asked Questions

What is NSN 5305-00-385-9193?

NSN 5305-00-385-9193 is a Screw,cap,socket Head, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-385-9193?

NSN 5305-00-385-9193 has 1 cross-referenced part number: 138522 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5305-00-385-9193?

There are 2 known substitutes for 5305-00-385-9193: 5310-00-193-7577, 4810-01-199-7840. Verify interchangeability with system specifications before substitution.

What are the specifications of 138522?

Key specifications for 138522: Head Height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-P-8585 MIL SPEC 1ST TREATMENT RESPONSE AND TT-E-527 FED SPEC 2ND TREATMENT RESPONSE HEAD; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Surface Treatment: CHROMATE ZINC AND ENAMEL HEAD. 20 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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