The Washer,flat, cataloged under National Stock Number 5310-00-550-3909, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-550-3909 |
| Primary Part Number | 1547-3030 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-18411,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.4350 INCHES MINIMUM AND 1.4355 INCHES MAXIMUM IN |
| Thickness | 0.1875 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 |
|---|---|
| 1547-3030 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
NSN 5310-00-550-3909 is a Washer,flat, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-550-3909 has 1 manufacturer part number on file: 1547-3030 (Bae Systems Land & Armaments L.p.).
Key specifications for 1547-3030: Overall Diameter: 2.000 INCHES NOMINAL IN; Material Document and Classification: MIL-S-18411,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: CADMIUM OVERALL. 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.