The Washer,recessed, cataloged under National Stock Number 5310-00-978-2220, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Production & Tool Company Inc Div None. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-978-2220 |
| Primary Part Number | 2-14--097-01 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Production & Tool Company Inc Div None |
| Status | ACTIVE |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Style Designator | RECESSED |
| Material Document and Classification | AMS6381 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.013 INCHES MINIMUM AND 3.033 INCHES MAXIMUM IN |
| Recess Depth | 0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN |
| Material Thickness | 0.034 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 2.573 INCHES MINIMUM AND 2.583 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 |
|---|---|
| 2-14--097-01 | Production & Tool Company Inc Div None (USA) |
| 2-140-097-01 | Rotair Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 2-140-097-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-978-2220 is a Washer,recessed, manufactured by Production & Tool Company Inc Div None, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-978-2220 has 2 manufacturer part numbers on file: 2-14--097-01 (Production & Tool Company Inc Div None), 2-140-097-01 (Rotair Aerospace Corp).
Key specifications for 2-14--097-01: Overall Height: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Style Designator: RECESSED; Material Document and Classification: AMS6381 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.