The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-545-0877, 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 7 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-545-0877 |
| Primary Part Number | MIL-DTL-1222TY2 QQ-N-286 GR500L1 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZW |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Departure From Cited Document | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 10 |
| 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-DTL-1222TY2 QQ-N-286 GR500L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3/4-10UNRC3A X 1 3/4SELF-LOCKIL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H577-3302-217L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2643-820-23-FIND NO-IB21L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6758076-IB21L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 754-7066812-53L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H553-1502-53L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2643-820-23-IB21L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 593-7067139-217L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MIL-DTL-1222 TYPE II SELF-LOCKL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| H553-1502-53 | 5/1 Secondary reference U.S. Government activity |
| 2643-820-23-IB21 | 5/1 Secondary reference U.S. Government activity |
| 3/4-10UNRC-3A X 1 3/4 INCHES | 5/1 Secondary reference U.S. Government activity |
| 3/4-10UNRC3A X 1 3/4SELF-LOCKI | 4/1 Identification reference U.S. Government activity |
| QQ-N-286 GRADE 500L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| H577-3302-217 | 5/1 Secondary reference U.S. Government activity |
| MIL-DTL-1222TY2 QQ-N-286 GR500 | 4/1 Identification reference U.S. Government activity |
| QQ-N-286 GRADE 500 | 5/1 Secondary reference U.S. Government activity |
| 2643-820-23-FIND NO-IB21 | 5/2 Secondary reference U.S. Government activity |
| 801-6758076-IB21 | 5/1 Secondary reference Naval Sea Systems Command |
| 593-7067139-217 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 754-7066812-53 | 5/1 Secondary reference Naval Sea Systems Command |
| MIL-DTL-1222 TYPE II SELF-LOCK | 5/1 Secondary reference U.S. Government activity |
| 3/4-10UNRC-3A X 1 3/4 INCHESL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 5305-01-545-0877 is a Screw,cap,socket Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-545-0877 has 9 manufacturer part numbers on file: MIL-DTL-1222TY2 QQ-N-286 GR500L1 (Naval Inventory Control Point Mechanicsburg), 3/4-10UNRC3A X 1 3/4SELF-LOCKIL1 (Naval Inventory Control Point Mechanicsburg), H577-3302-217L1 (Naval Inventory Control Point Mechanicsburg), 2643-820-23-FIND NO-IB21L1 (Naval Inventory Control Point Mechanicsburg), 801-6758076-IB21L1 (Naval Inventory Control Point Mechanicsburg) and 4 more.
Key specifications for MIL-DTL-1222TY2 QQ-N-286 GR500L1: Criticality Code Justification: ZZZW; Thread Direction: RIGHT-HAND; Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 7 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.