The Nut,sheet Spring, cataloged under National Stock Number 5310-00-613-5676, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pilatus Aircraft Ltd. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-613-5676 |
| Primary Part Number | 938.56.13.108 |
| Item Name | Nut,sheet Spring |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pilatus Aircraft Ltd |
| Status | ACTIVE |
| Nut Width | 0.280 INCHES NOMINAL IN |
| Nut Length | 6.700 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Gripping Prong Length | 0.375 INCHES MINIMUM IN |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Gripping Prong Quantity | 2 |
| Panel Thickness | 0.375 INCHES MINIMUM IN |
| Mating Member Diameter Accommodated | 0.138 INCHES NOMINAL IN |
| Nut Height | 0.330 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | SHEET SPRING |
| Material | COPPER ALLOY OVERALL |
| Nut Mounting Provision | GRIPPING PRONGS |
| 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 |
|---|---|
| 938.56.13.108 | Pilatus Aircraft Ltd (CHE) |
| Reference | Meaning |
|---|---|
| MS33737-16C | 5/9 Secondary reference U.S. Government activity |
| A8944-632-493 | 5/9 Secondary reference Tinnerman Palnut Engineered Products, Inc. |
| A8944-632 | 5/9 Secondary reference Tinnerman Palnut Engineered Products, Inc. |
| MS33737-16C | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-613-5676 is a Nut,sheet Spring, manufactured by Pilatus Aircraft Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-613-5676 has 1 manufacturer part number on file: 938.56.13.108 (Pilatus Aircraft Ltd).
Key specifications for 938.56.13.108: Nut Width: 0.280 INCHES NOMINAL IN; Nut Length: 6.700 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Gripping Prong Length: 0.375 INCHES MINIMUM IN. 13 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.