PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-1222,TYI,GR400L1Screw,cap,hexagon Head

Naval Inventory Control Point Mechanicsburg · NSN 5305-01-041-2832 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-041-2832 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-041-2832. Primary manufacturer part number: MIL-DTL-1222,TYI,GR400L1.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Head Style: HEXAGON
  • Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • Material: NICKEL ALLOY OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Length: 1.250 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
  • Width Between Flats: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-041-2832, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-041-2832
Primary Part NumberMIL-DTL-1222,TYI,GR400L1
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Departure From Cited DesignatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
MaterialNICKEL ALLOY OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Length1.250 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
Width Between Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Nominal Thread Diameter0.500 INCHES IN
Thread Quantity Per Inch13
Material Document and ClassificationQQ-N-281,CLASS 4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Criticality Code JustificationZZZX
Head Height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
Thread Class2A A
Fastener Length1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-01-270-6169 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-314-6750 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-336-5931 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-658-8597 INTERCHANGEABLE
Screw,cap,hexagon Head
5310-01-677-9671 INTERCHANGEABLE
Nut,self-Locking,hexagon
5305-01-682-1665M1222RN8C240NANN INTERCHANGEABLE
Screw,cap,hexagon Head
Naval Sea Systems Command
5305-01-693-0610 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-1222,TYI,GR400L1 Naval Inventory Control Point Mechanicsburg (USA)
1/2-13UNC-2A X 1 3/4INL1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222,TYI,GR400 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1/2-13UNC-2A X 1 3/4IN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1222L1 Naval Inventory Control Point Mechanicsburg (USA)
MIL-DTL-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-01-270-6169INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-314-6750INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-336-5931INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-658-8597INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5310-01-677-9671INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5305-01-682-1665INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
M1222RN8C240NANN
5305-01-693-0610INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5305-01-041-2832?

NSN 5305-01-041-2832 is a Screw,cap,hexagon 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 5305-01-041-2832?

NSN 5305-01-041-2832 has 6 cross-referenced part numbers: MIL-DTL-1222,TYI,GR400L1 (Naval Inventory Control Point Mechanicsburg), 1/2-13UNC-2A X 1 3/4INL1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222,TYI,GR400 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1/2-13UNC-2A X 1 3/4IN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-1222L1 (Naval Inventory Control Point Mechanicsburg) and 1 more.

What NSN replaces 5305-01-041-2832?

There are 7 known substitutes for 5305-01-041-2832: 5305-01-270-6169, 5305-01-314-6750, 5305-01-336-5931 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-1222,TYI,GR400L1?

Key specifications for MIL-DTL-1222,TYI,GR400L1: Thread Direction: RIGHT-HAND; Head Style: HEXAGON; Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Material: NICKEL ALLOY OVERALL. 14 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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