The Washer,lock, cataloged under National Stock Number 5310-00-021-9891, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-021-9891 |
| Primary Part Number | 20489-33 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
| Status | CANCELLED |
| Material Thickness | 0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN |
| Outside Diameter | 0.275 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN |
| Style Designator | FLAT INTERNAL TEETH |
| Hole Diameter | 0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20489-33 | Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA) |
| 20489-33 | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| 5402-063 | Raytheon Company Dba Raytheon (USA) |
| 20489-33 | Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA) |
| MS35333-88 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-00-021-9891 is a Washer,lock, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-021-9891 has 5 cross-referenced part numbers: 20489-33 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 20489-33 (Honeywell International, Inc Div Aerospace-Tucson), 5402-063 (Raytheon Company Dba Raytheon), 20489-33 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site), MS35333-88 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There is 1 known substitute for 5310-00-021-9891: 5310-00-019-0669. Verify interchangeability with system specifications before substitution.
Key specifications for 20489-33: Material Thickness: 0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN; Outside Diameter: 0.275 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN; Style Designator: FLAT INTERNAL TEETH; Hole Diameter: 0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-021-9891 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.