The Washer,key, cataloged under National Stock Number 5310-00-440-3504, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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 | 5310-00-440-3504 |
| Primary Part Number | 547A003170 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment | PASSIVATE OVERALL |
| Style Designator | KEY |
| External Key Quantity | 1 |
| Material | STEEL COMP 303 OVERALL |
| Outside Diameter | 1.109 INCHES NOMINAL IN |
| Hole Diameter | 0.750 INCHES NOMINAL IN |
| External Prebent Key Width | 0.093 INCHES NOMINAL IN |
| External Prebent Key Length | 0.078 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Distance From Centerline to Inside of Prebent Key | 0.421 INCHES NOMINAL IN |
| Material Thickness | 0.038 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 003170 | L3 Technologies, Inc. Div L3 Keo (USA) |
| 547A003170 | L3 Technologies, Inc. Div L3 Keo (USA) |
| 547A003170 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 3170 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| A547-729 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
NSN 5310-00-440-3504 is a Washer,key, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-440-3504 has 5 cross-referenced part numbers: 003170 (L3 Technologies, Inc. Div L3 Keo), 547A003170 (L3 Technologies, Inc. Div L3 Keo), 547A003170 (Northrop Grumman Systems Corporation), 3170 (L3 Technologies, Inc. Div L3 Keo), A547-729 (L3 Technologies, Inc. Div L3 Keo).
There are 12 known substitutes for 5310-00-440-3504: 4940-00-169-0139, 5305-00-206-5993, 1730-00-257-5356 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 547A003170: Surface Treatment: PASSIVATE OVERALL; Style Designator: KEY; Special Features: FLATTED CENTER HOLE 0.546 IN. W IN; External Key Quantity: 1. 12 total characteristics are documented in the Federal Logistics Information System.