The Washer,flat, cataloged under National Stock Number 5310-00-075-3744, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-075-3744 |
| Primary Part Number | 123C11211-11 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Overall Diameter | 1.120 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.763 INCHES NOMINAL IN |
| Thickness | 0.062 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 |
|---|---|
| 123C11211-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 123C11211-11 | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA) |
| 123C11211-11 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123C11211-11 | 5/9 Secondary reference Capy Machine Shop Inc. Dba Capy Machine Shop Inc |
NSN 5310-00-075-3744 is a Washer,flat, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-075-3744 has 3 manufacturer part numbers on file: 123C11211-11 (Northrop Grumman Systems Corporation), 123C11211-11 (Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems), 123C11211-11 (Northrop Grumman Systems Corporation).
Key specifications for 123C11211-11: Overall Diameter: 1.120 INCHES NOMINAL IN; Material Document and Classification: AMS 5350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: 64 SERRATIONS,EQUALLY SPACED AROUND ONE BEARING SURFACE OF WASHER. 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.