PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0.250-20UNRC-3A X 1.000Screw,cap,socket Head

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-01-393-7708 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-393-7708 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-393-7708. Primary manufacturer part number: 0.250-20UNRC-3A X 1.000.
Features
  • Screw,cap,socket Head — FSC 5305
  • Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • Thread Quantity Per Inch: 20
  • Thread Class: 3A A
  • Thread Direction: RIGHT-HAND
  • Criticality Code Justification: ZZZX
  • Thread Series Designator: UNRC
  • 14 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-393-7708, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-393-7708
Primary Part Number0.250-20UNRC-3A X 1.000
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Thread Quantity Per Inch20
Thread Class3A A
Thread DirectionRIGHT-HAND
Criticality Code JustificationZZZX
Thread Series DesignatorUNRC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-01-226-0114 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-299-6598 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-303-4053 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-346-1579 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-348-1724 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-354-4678 INTERCHANGEABLE
Screw,cap,socket Head
5307-01-389-8214 INTERCHANGEABLE
Stud,continuous Thread
5305-01-393-7488 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-393-7498 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-398-9865 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
0.250-20UNRC-3A X 1.000 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
211052570L1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222TYII GR400 SLF-LKG Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6401267 ITEM 162L1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222 TYII Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
595-6401267 ITEM 162 Naval Sea Systems Command (USA)
MIL-DTL-1222 TYIIL1 Naval Inventory Control Point Mechanicsburg (USA)
0.250-20UNRC-3A X 1.000L1 Naval Inventory Control Point Mechanicsburg (USA)
595-6401267 ITEM 162L1 Naval Inventory Control Point Mechanicsburg (USA)
211052570 Naval Sea Systems Command (USA)
6401267 ITEM 162 Naval Sea Systems Command (USA)
QQ-N-281 GR 400 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222TYII GR400 SLF-LKGL1 Naval Inventory Control Point Mechanicsburg (USA)
QQ-N-281 GR 400L1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5305-01-226-0114INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-299-6598INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-303-4053INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-346-1579INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-348-1724INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-354-4678INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5307-01-389-8214INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5305-01-393-7488INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-393-7498INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-398-9865INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-423-3144INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-01-423-3230INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD

Frequently Asked Questions

What is NSN 5305-01-393-7708?

NSN 5305-01-393-7708 is a Screw,cap,socket Head, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-393-7708?

NSN 5305-01-393-7708 has 14 cross-referenced part numbers: 0.250-20UNRC-3A X 1.000 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 211052570L1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222TYII GR400 SLF-LKG (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6401267 ITEM 162L1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 TYII (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 9 more.

What NSN replaces 5305-01-393-7708?

There are 12 known substitutes for 5305-01-393-7708: 5305-01-226-0114, 5305-01-299-6598, 5305-01-303-4053 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0.250-20UNRC-3A X 1.000?

Key specifications for 0.250-20UNRC-3A X 1.000: Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Thread Quantity Per Inch: 20; Thread Class: 3A A; Thread Direction: RIGHT-HAND. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com