The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-300-3973, 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 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-300-3973 |
| Primary Part Number | 3/8-16UNC-3A X 7/8L1 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Thread Class | 3A A |
| Criticality Code Justification | ZZZW |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | NICKEL ALLOY OVERALL |
| Material Document and Classification | QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 24.0 ROCKWELL C MINIMUM OVERALL |
| Head Style | HEXAGON |
| Departure From Cited Document | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Thread Quantity Per Inch | 16 |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Nondefinitive Spec/std Data | I TYPE |
| Features Provided | FINISHED HEAD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3/8-16UNC-3A X 7/8L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| TYPE 1 3/8-16UNC-3A X 7/8LGL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| GR500 (QQ-N-286)L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| MIL-DTL-1222 TY1 GR500L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| MIL-DTL-1222 TY1 GR500 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 3/8-16UNC-3A X 7/8 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| GR500 (QQ-N-286) | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| TYPE 1 3/8-16UNC-3A X 7/8LG | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-01-300-3973 is a Screw,cap,hexagon Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-300-3973 has 8 cross-referenced part numbers: 3/8-16UNC-3A X 7/8L1 (Naval Inventory Control Point Mechanicsburg), TYPE 1 3/8-16UNC-3A X 7/8LGL1 (Naval Inventory Control Point Mechanicsburg), GR500 (QQ-N-286)L1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 TY1 GR500L1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 TY1 GR500 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.
There are 4 known substitutes for 5305-01-300-3973: 5307-01-166-7137, 5305-01-354-4678, 5305-01-654-1884 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3/8-16UNC-3A X 7/8L1: Thread Class: 3A A; Criticality Code Justification: ZZZW; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material: NICKEL ALLOY OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.