The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-211-8805, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-211-8805 |
| Primary Part Number | MIL-S-001222G TY-1GR400 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Hardness Rating | 80.0 ROCKWELL B MINIMUM OVERALL |
| Criticality Code Justification | ZZZW |
| Material Document and Classification | MIL-S-001222G,TY 1,GR 400 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL G |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Document | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Nondefinitive Spec/std Data | 1 TYPE |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 40000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| MIL-S-001222G TY-1GR400 | Naval Inventory Control Point Mechanicsburg (USA) |
| CPSCR,HEXD1/2-13UNC-2AX4-1/2L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| CPSCR,HEXD1/2-13UNC-2AX4-1/2IN | 4/1 Identification reference U.S. Government activity |
| MIL-S-001222G TY-1GR400 | 4/1 Identification reference U.S. Government activity |
NSN 5305-01-211-8805 is a Screw,cap,hexagon Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-211-8805 has 2 manufacturer part numbers on file: MIL-S-001222G TY-1GR400 (Naval Inventory Control Point Mechanicsburg), CPSCR,HEXD1/2-13UNC-2AX4-1/2L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for MIL-S-001222G TY-1GR400: Hardness Rating: 80.0 ROCKWELL B MINIMUM OVERALL; Criticality Code Justification: ZZZW; Material Document and Classification: MIL-S-001222G,TY 1,GR 400 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL G; Nominal Thread Diameter: 0.500 INCHES IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.