The Washer,flat, cataloged under National Stock Number 5310-01-678-0654, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Grove U.s. Llc Dba Grove Us Llc. 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 | 5310-01-678-0654 |
| Primary Part Number | 7951110016 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Grove U.s. Llc Dba Grove Us Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 8.64 MILLIMETERS MINIMUM AND 9.00 MILLIMETERS MAXIMUM MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP A2 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 4.30 MILLIMETERS MINIMUM AND 4.48 MILLIMETERS MAXIMUM MM |
| Thickness | 0.70 MILLIMETERS MINIMUM AND 0.90 MILLIMETERS MAXIMUM 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 |
|---|---|
| MW6340000A20000 | Fastenal Company Dba Fastenal Co (USA) |
| 7951110016 PRIMARY | Grove U.s. Llc Dba Grove Us Llc (USA) |
NSN 5310-01-678-0654 is a Washer,flat, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-678-0654 has 2 manufacturer part numbers on file: MW6340000A20000 (Fastenal Company Dba Fastenal Co), 7951110016 (Grove U.s. Llc Dba Grove Us Llc).
Key specifications for 7951110016: Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 8.64 MILLIMETERS MINIMUM AND 9.00 MILLIMETERS MAXIMUM MM; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: PASSIVATE 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.