The Washer,recessed, cataloged under National Stock Number 5310-01-344-5947, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-344-5947 |
| Primary Part Number | 03A316-3 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | AMS 4965 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4911 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Recess Depth | 0.125 INCHES NOMINAL IN |
| Material Thickness | 0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Hole Diameter | 0.260 INCHES MINIMUM AND 0.270 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 |
|---|---|
| 03A316-3 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| SII1002-173-4 | Arlington Intl Aviation Products Llc (USA) |
| Reference | Meaning |
|---|---|
| 03A316-3 | 3/2 Design control — primary reference U.S. Government activity |
| 111263W-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-344-5947 is a Washer,recessed, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-344-5947 has 2 manufacturer part numbers on file: 03A316-3 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), SII1002-173-4 (Arlington Intl Aviation Products Llc).
Key specifications for 03A316-3: Overall Height: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN; Style Designator: RECESSED; Material Document and Classification: AMS 4965 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4911 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN. 7 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.