PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1 - 8UNRC - 3A X 2 3/4L1Screw,cap,socket Head

Naval Inventory Control Point Mechanicsburg · NSN 5305-01-429-5654 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-429-5654 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-429-5654. Primary manufacturer part number: 1 - 8UNRC - 3A X 2 3/4L1.
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 Series Designator: UNRC
  • Material: NICKEL ALLOY OVERALL
  • Material Document and Classification: QQ-N-286 GR 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Quantity Per Inch: 8
  • Fastener Length: 2.750 INCHES MAXIMUM IN
  • Thread Class: 3A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-429-5654, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 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
NSN5305-01-429-5654
Primary Part Number1 - 8UNRC - 3A X 2 3/4L1
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
Thread Series DesignatorUNRC
MaterialNICKEL ALLOY OVERALL
Material Document and ClassificationQQ-N-286 GR 500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Quantity Per Inch8
Fastener Length2.750 INCHES MAXIMUM IN
Thread Class3A A
Criticality Code JustificationZZZX
Nominal Thread Diameter1.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-060-2540 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-115-6184 INTERCHANGEABLE
Screw,cap,socket Head
5320-00-117-7516NASM21090 INTERCHANGEABLE
Rivet,solid
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-340-5424NAS1189E06P6 INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-567-5903NAS1189-06T5L INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-936-4983AES40K500878EE0A15 INTERCHANGEABLE
Setscrew
The American Society of Mechanical Engineers
5305-01-039-7553MS51965-117 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-01-097-5840 INTERCHANGEABLE
Bolt,machine
5306-01-112-78642585163-17 INTERCHANGEABLE
Bolt,machine
Naval Ship Systems Command
5307-01-227-2875 INTERCHANGEABLE
Stud,continuous Thread
Cross-Reference Index
Part NumberManufacturer
1 - 8UNRC - 3A X 2 3/4L1 Naval Inventory Control Point Mechanicsburg (USA)
QQ-N-286 GR500L1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-18240L1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-18240 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222 TYPE IIL1 Naval Inventory Control Point Mechanicsburg (USA)
QQ-N-286 GR500 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222 TYPE II Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1 - 8UNRC - 3A X 2 3/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-060-2540INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-115-6184INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5320-00-117-7516INTERCHANGEABLE
RIVET,SOLID
NASM21090
5305-00-340-5424INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1189E06P6
5305-00-567-5903INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
NAS1189-06T5L
5305-00-936-4983INTERCHANGEABLE
SETSCREW
AES40K500878EE0A15
5305-01-039-7553INTERCHANGEABLE
SETSCREW
MS51965-117
5306-01-097-5840INTERCHANGEABLE
BOLT,MACHINE
5306-01-112-7864INTERCHANGEABLE
BOLT,MACHINE
2585163-17
5307-01-227-2875INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5305-01-291-4512INTERCHANGEABLE
SCREW,MACHINE
5307-01-306-7552INTERCHANGEABLE
STUD,CONTINUOUS THREAD

Frequently Asked Questions

What is NSN 5305-01-429-5654?

NSN 5305-01-429-5654 is a Screw,cap,socket Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-429-5654?

NSN 5305-01-429-5654 has 8 cross-referenced part numbers: 1 - 8UNRC - 3A X 2 3/4L1 (Naval Inventory Control Point Mechanicsburg), QQ-N-286 GR500L1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-18240L1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-18240 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-1222 TYPE IIL1 (Naval Inventory Control Point Mechanicsburg) and 3 more.

What NSN replaces 5305-01-429-5654?

There are 12 known substitutes for 5305-01-429-5654: 5305-00-060-2540, 5305-00-115-6184, 5320-00-117-7516 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1 - 8UNRC - 3A X 2 3/4L1?

Key specifications for 1 - 8UNRC - 3A X 2 3/4L1: Special Features: SCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME); Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Thread Series Designator: UNRC; Material: NICKEL ALLOY OVERALL. 11 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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