The Washer,lock, cataloged under National Stock Number 5310-00-757-8528, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sicard a Division of Smi-Snowblast Inc Dba Sicard. Government technical data includes 5 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-757-8528 |
| Primary Part Number | 9100006 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sicard a Division of Smi-Snowblast Inc Dba Sicard |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.681 INCHES NOMINAL IN |
| Material Thickness | 0.094 INCHES MINIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.387 INCHES NOMINAL 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 |
|---|---|
| 9100006 PRIMARY | Sicard a Division of Smi-Snowblast Inc Dba Sicard (USA) |
NSN 5310-00-757-8528 is a Washer,lock, manufactured by Sicard a Division of Smi-Snowblast Inc Dba Sicard, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-757-8528 has 1 manufacturer part number on file: 9100006 (Sicard a Division of Smi-Snowblast Inc Dba Sicard).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-182-0742. Verify interchangeability with system specifications before substitution.
Key specifications for 9100006: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.681 INCHES NOMINAL IN; Material Thickness: 0.094 INCHES MINIMUM IN; Material: STEEL 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.