The Nut,sheet Spring, cataloged under National Stock Number 5310-01-444-1933, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Spectro Scientific, Inc Dba Spectro Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-444-1933 |
| Primary Part Number | H10140 |
| Item Name | Nut,sheet Spring |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Spectro Scientific, Inc Dba Spectro Inc |
| Status | ACTIVE |
| Nut Width | 0.500 INCHES NOMINAL IN |
| Nut Length | 0.520 INCHES NOMINAL IN |
| Material Thickness | 0.017 INCHES NOMINAL IN |
| Nut Style | SHEET SPRING |
| Material | STEEL COMP 1050 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 |
|---|---|
| H10140 | Spectro Scientific, Inc Dba Spectro Inc (USA) |
| Reference | Meaning |
|---|---|
| C8102832 | 3/9 Design control — primary reference Tinnerman Palnut Engineered Products, Inc. |
NSN 5310-01-444-1933 is a Nut,sheet Spring, manufactured by Spectro Scientific, Inc Dba Spectro Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-444-1933 has 1 manufacturer part number on file: H10140 (Spectro Scientific, Inc Dba Spectro Inc).
Key specifications for H10140: Nut Width: 0.500 INCHES NOMINAL IN; Nut Length: 0.520 INCHES NOMINAL IN; Material Thickness: 0.017 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 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.