The Washer,flat, cataloged under National Stock Number 5310-01-348-8382, 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 8 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-348-8382 |
| Primary Part Number | 03A118-6 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Overall Diameter | 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4911 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.190 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Thickness | 0.029 INCHES MINIMUM AND 0.034 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 |
|---|---|
| 03A118-6 | Hi-Shear Corporation (USA) |
| 03A118-6 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 03A118-6 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 03A118-6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 03A118-6 | All Power Manufacturing Co. (USA) |
| 03A118-6 | Moeller Manufacturing & Supply, Llc (USA) |
| 03A118-6 | Anillo Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 03A118-6 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-348-8382 is a Washer,flat, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-348-8382 has 7 manufacturer part numbers on file: 03A118-6 (Hi-Shear Corporation), 03A118-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 03A118-6 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 03A118-6 (Sps Technologies, Llc Dba PB Fasteners), 03A118-6 (All Power Manufacturing Co.) and 2 more.
Key specifications for 03A118-6: Overall Diameter: 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN; Material Document and Classification: AMS 4911 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.