The Washer,flat, cataloged under National Stock Number 5310-01-145-3153, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Tecno Trade S.r.l.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-145-3153 |
| Primary Part Number | AN960KD416 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Tecno Trade S.r.l. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-250/5,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/5,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Nondefinitive Spec/std Data | A TYPE AND 1 GRADE AND D CLASS |
| Surface Treatment | ANODIZE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN |
| Thickness | 0.063 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 |
|---|---|
| AN960KD416 | Tecno Trade S.r.l. (ITA) |
| 938.77.81.015 | Pilatus Aircraft Ltd (CHE) |
| AN960KD416 | Leonardo Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 5310PL0804606 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5310PL2091898 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 10620TC10-131 | C/1 Advisory reference — outside the item-of-supply concept Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc |
| FF-W-92 | 4/1 Identification reference U.S. Government activity |
| AN960KD416 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-145-3153 is a Washer,flat, manufactured by Tecno Trade S.r.l., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-145-3153 has 3 manufacturer part numbers on file: AN960KD416 (Tecno Trade S.r.l.), 938.77.81.015 (Pilatus Aircraft Ltd), AN960KD416 (Leonardo Uk Ltd).
Key specifications for AN960KD416: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-250/5,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/5,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 11 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.