The Washer,flat, cataloged under National Stock Number 5310-01-508-2689, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-508-2689 |
| Primary Part Number | 7326356-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| End Cut Angle | 45.0 DEGREES NOMINAL |
| Width Across Flats | 0.880 INCHES NOMINAL IN |
| Length | 0.950 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-T-9047,CLASS TI-CP-70, TI-6AL-4V, TI-6AL-4V(ELI) MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-T-9046,COMP CP-2, AB-1 OR AB-2, COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL V |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | RECTANGULAR |
| Material | TITANIUM ALLOY UNS R56400 OR TITANIUM ALLOY UNS R56401 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.500 INCHES NOMINAL IN |
| Thickness | 0.006 INCHES MINIMUM AND 0.250 INCHES MAXIMUM 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 |
|---|---|
| 7326356-1 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 7326356-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 7325356-1 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5310-01-508-2689 is a Washer,flat, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-508-2689 has 1 manufacturer part number on file: 7326356-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 7326356-1: End Cut Angle: 45.0 DEGREES NOMINAL; Width Across Flats: 0.880 INCHES NOMINAL IN; Length: 0.950 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN; Material Document and Classification: MIL-T-9047,CLASS TI-CP-70, TI-6AL-4V, TI-6AL-4V(ELI) MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-T-9046,COMP CP-2, AB-1 OR AB-2, COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL V. 10 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.