The Washer,flat, cataloged under National Stock Number 5310-01-411-9183, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Airbus Defence & Space Limited. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-411-9183 |
| Primary Part Number | RT49PCL00000ABB |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Airbus Defence & Space Limited |
| Status | ACTIVE |
| Overall Diameter | 12.5 MILLIMETERS NOMINAL MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | BLACK OVERALL |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 6.4 MILLIMETERS NOMINAL MM |
| Thickness | 0.8 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| RT49PCL00000ABB | Airbus Defence & Space Limited (GBR) |
| Reference | Meaning |
|---|---|
| RT49PCL00000ABB | 5/9 Secondary reference Northern Telecom Europe Ltd (integrated Network Division) |
| 85-34-301-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-411-9183 is a Washer,flat, manufactured by Airbus Defence & Space Limited, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-411-9183 has 1 manufacturer part number on file: RT49PCL00000ABB (Airbus Defence & Space Limited).
Key specifications for RT49PCL00000ABB: Overall Diameter: 12.5 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: RECTANGULAR; Color: BLACK OVERALL; 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.