The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-01-015-1952, 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. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-015-1952 |
| Primary Part Number | 18822-1 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Height | 0.225 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.920 INCHES NOMINAL IN |
| Material Thickness | 0.225 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Hole Diameter | 3.264 INCHES MAXIMUM IN |
| Recess Angle | 60.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 18822-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 18822-1 | 5/9 Secondary reference Goodrich Aerospace Canada Ltd |
NSN 5310-01-015-1952 is a Washer,shouldered and Recessed, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-015-1952 has 1 manufacturer part number on file: 18822-1 (Northrop Grumman Systems Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-147-4072, 3450-01-264-0474, 6625-01-457-0444. Verify interchangeability with system specifications before substitution.
Key specifications for 18822-1: Surface Treatment Document and Classification: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Shoulder Height: 0.225 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 3.920 INCHES NOMINAL IN. 9 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.