The Washer,lock, cataloged under National Stock Number 5310-00-143-5682, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 5310-00-143-5682 |
| Primary Part Number | 20500-12 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Material | STEEL OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.353 INCHES MAXIMUM IN |
| Hole Diameter | 0.194 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Material Thickness | 0.056 INCHES MINIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-143-5682 is a Washer,lock, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-143-5682 has 3 cross-referenced part numbers: 20500-12 (Honeywell International, Inc Div Aerospace-Tucson), 20500-12 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 20500-12 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site).
There is 1 known substitute for 5310-00-143-5682: 5935-01-074-3899. Verify interchangeability with system specifications before substitution.
Key specifications for 20500-12: Material Document and Classification: QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Material: STEEL OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND. 7 total characteristics are documented in the Federal Logistics Information System.