The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-270-6171, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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.
| Parameter | Value |
|---|---|
| NSN | 5305-01-270-6171 |
| Primary Part Number | 3/4-10UNC-2A X 2 1/4 TYI CLASSL1 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Thread Class | 2A A |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nondefinitive Spec/std Data | 1 TYPE |
| Departure From Cited Document | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | NICKEL ALLOY OVERALL |
| Criticality Code Justification | ZZZW |
| Thread Quantity Per Inch | 10 |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Thread Length | 2.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3/4-10UNC-2A X 2 1/4 TYI CLASSL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| MIL-DTL-1222 QQ-N-281 GR400L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| MIL-DTL-1222 QQ-N-281 GR400 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 3/4-10UNC-2A X 2 1/4 TYI CLASS | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-01-270-6171 is a Screw,cap,hexagon Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-270-6171 has 4 cross-referenced part numbers: 3/4-10UNC-2A X 2 1/4 TYI CLASSL1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 QQ-N-281 GR400L1 (Naval Inventory Control Point Mechanicsburg), MIL-DTL-1222 QQ-N-281 GR400 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3/4-10UNC-2A X 2 1/4 TYI CLASS (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5305-01-270-6171: 5305-01-041-2825, 5305-01-041-2828, 5305-01-079-9585 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3/4-10UNC-2A X 2 1/4 TYI CLASSL1: Thread Class: 2A A; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nondefinitive Spec/std Data: 1 TYPE; Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 11 total characteristics are documented in the Federal Logistics Information System.