The Washer,flat, cataloged under National Stock Number 5310-01-148-7753, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-148-7753 |
| Primary Part Number | L4100011-005 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Overall Diameter | 1.180 INCHES NOMINAL IN |
| Inside Right Corner Chamfer Angle | 90.0 DEGREES NOMINAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Inside Left Corner Chamfer Angle | 90.0 DEGREES NOMINAL |
| Peripheral Shape Style | ROUND |
| Material | NICKEL ALLOY 718 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.437 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Thickness | 0.057 INCHES MINIMUM AND 0.063 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 |
|---|---|
| L4100011-005 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| L4100011-005 | Maney Aircraft, Inc. Dba Maney Aircraft (USA) |
NSN 5310-01-148-7753 is a Washer,flat, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-148-7753 has 2 manufacturer part numbers on file: L4100011-005 (The Boeing Company Div Legacy Am&m), L4100011-005 (Maney Aircraft, Inc. Dba Maney Aircraft).
Key specifications for L4100011-005: Overall Diameter: 1.180 INCHES NOMINAL IN; Inside Right Corner Chamfer Angle: 90.0 DEGREES NOMINAL; Cross-Sectional Shape Style: RECTANGULAR; Inside Left Corner Chamfer Angle: 90.0 DEGREES NOMINAL. 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.