The Washer,lock, cataloged under National Stock Number 5310-00-107-7700, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems Former Bendix Flight Systems Fiv Montrose Opns. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-107-7700 |
| Primary Part Number | 3052-04-21 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Bendix Flight Systems Fiv Montrose Opns |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | QQ-S-766 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.226 INCHES NOMINAL IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.115 INCHES MINIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3052-04-21 PRIMARY | Honeywell Intl Inc Defense Avionics Systems Former Bendix Flight Systems Fiv Montrose Opns (USA) |
| Reference | Meaning |
|---|---|
| 3052-04-21 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
| 3052000-0421 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 3052000-0421 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
NSN 5310-00-107-7700 is a Washer,lock, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Bendix Flight Systems Fiv Montrose Opns, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-107-7700 has 1 manufacturer part number on file: 3052-04-21 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Flight Systems Fiv Montrose Opns).
Key specifications for 3052-04-21: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: QQ-S-766 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.226 INCHES NOMINAL IN; Material Thickness: 0.031 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.