The Washer,lock, cataloged under National Stock Number 5310-01-394-4474, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-394-4474 |
| Primary Part Number | 4341 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 14.8 MILLIMETERS NOMINAL MM |
| Material Thickness | 2.0 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP 316 OVERALL |
| Hole Diameter | 8.1 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| B8/A4/DIN127 | Tigges Gmbh Und Co.kg (DEU) |
| 4341 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
NSN 5310-01-394-4474 is a Washer,lock, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-394-4474 has 2 manufacturer part numbers on file: B8/A4/DIN127 (Tigges Gmbh Und Co.kg), 4341 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
Key specifications for 4341: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 14.8 MILLIMETERS NOMINAL MM; Material Thickness: 2.0 MILLIMETERS NOMINAL MM; Material: STEEL COMP 316 OVERALL. 5 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.