The Lock,shaft, cataloged under National Stock Number 5355-00-644-1813, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-644-1813 |
| Primary Part Number | 503390 |
| Item Name | Lock,shaft |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | HEXAGON |
| Accommodated Shaft Diameter | 0.177 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL AND CHROMIUM OVERALL |
| Material | COPPER ALLOY 360 OVERALL |
| 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 |
|---|---|
| ES0697931-2 | Lucent Technologies Inc Corporate Headquarters (USA) |
| 503390 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| ES0-697931-2 | 5/9 Secondary reference At and T Corp |
| ES0697931-2 | 5/9 Secondary reference American Telephone and Telegraph Co |
| ES0697931-2 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 503390 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| ES0697931-2 | 5/9 Secondary reference At and T Corp |
| ES0-697931-2 | 5/9 Secondary reference American Telephone and Telegraph Co |
| AD3181446 | 5/9 Secondary reference J L M Electronics Inc Dba Pack Rite Company |
NSN 5355-00-644-1813 is a Lock,shaft, manufactured by Naval Sea Systems Command, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-644-1813 has 2 manufacturer part numbers on file: ES0697931-2 (Lucent Technologies Inc Corporate Headquarters), 503390 (Naval Sea Systems Command).
Key specifications for 503390: Style Designator: HEXAGON; Special Features: MATERIAL DOCUMENT AND CLASSIFICATION ASSN STD ASTM B16, OVERALL; Accommodated Shaft Diameter: 0.177 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN; Surface Treatment: NICKEL AND CHROMIUM OVERALL. 4 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.