The Washer,lock, cataloged under National Stock Number 5310-00-143-5681, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skurka Aerospace Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-143-5681 |
| Primary Part Number | 20500-9 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Skurka Aerospace Inc |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Material Document and Classification | QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Thickness | 0.070 INCHES MINIMUM IN |
| Outside Diameter | 0.678 INCHES MAXIMUM IN |
| Hole Diameter | 0.382 INCHES MINIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-143-5681 is a Washer,lock, manufactured by Skurka Aerospace Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-143-5681 has 2 cross-referenced part numbers: 20500-9 (Skurka Aerospace Inc), 20500-9 (Aircraft Parts Corporation).
There is 1 known substitute for 5310-00-143-5681: 5999-00-615-7740. Verify interchangeability with system specifications before substitution.
Key specifications for 20500-9: Material: STEEL OVERALL; Material Document and Classification: QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Thickness: 0.070 INCHES MINIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.