The Washer,recessed, cataloged under National Stock Number 5310-00-488-4352, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 11 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 | 5310-00-488-4352 |
| Primary Part Number | 6825450-03 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES TOP |
| Top Recess Diameter | 0.264 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN |
| Bottom Recess Diameter | 0.264 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN |
| Top Recess Angle | 90.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | AMS-5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.438 INCHES NOMINAL IN |
| Material Thickness | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Bottom Recess Angle | 90.0 DEGREES NOMINAL |
| Hole Diameter | 0.199 INCHES MINIMUM AND 0.214 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 |
|---|---|
| 6825450-03 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 5310-00-488-4352 is a Washer,recessed, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-488-4352 has 1 manufacturer part number on file: 6825450-03 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6825450-03: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES TOP; Top Recess Diameter: 0.264 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN; Bottom Recess Diameter: 0.264 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN. 11 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.