The Washer,lock, cataloged under National Stock Number 5310-01-561-4275, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barnes Group Inc. Dba Barnes Distribution. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-561-4275 |
| Primary Part Number | 31325 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Barnes Group Inc. Dba Barnes Distribution |
| Status | ACTIVE |
| Outside Diameter | 10.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Surface Treatment | ZINC OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 31325 PRIMARY | Barnes Group Inc. Dba Barnes Distribution (USA) |
NSN 5310-01-561-4275 is a Washer,lock, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-561-4275 has 1 cross-referenced part number: 31325 (Barnes Group Inc. Dba Barnes Distribution).
There are 7 known substitutes for 5310-01-561-4275: 5136-00-197-9570, 5330-00-448-0861, 5935-00-929-2498 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 31325: Part Name Assigned by Controlling Agency: GRADE 5 LOCK WASHER 1/4; Outside Diameter: 10.0 MILLIMETERS NOMINAL MM; End Item Identification: MRAP BUFFALO MK2A2; Material: STEEL OVERALL. 5 total characteristics are documented in the Federal Logistics Information System.