The Washer,spring Tension, cataloged under National Stock Number 5310-01-278-9017, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-278-9017 |
| Primary Part Number | 67A98B80 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | SPECIAL TOOLS |
| Surface Treatment Document and Classification | MIL-C-13924 CLS 1 MIL SPEC ALL TREATMENT RESPONSES OVERALL |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | SAE 1095 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 2.346 INCHES MINIMUM AND 2.360 INCHES MAXIMUM IN |
| Material Thickness | 0.076 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL COMP 1095 OVERALL |
| Hole Diameter | 0.807 INCHES MINIMUM AND 0.815 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 |
|---|---|
| 67A98B80 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| AM602120 | 3/9 Design control — primary reference Rolex Company Dba Rolex Company Div Rolex Company |
| AM602120 | C/1 Advisory reference — outside the item-of-supply concept Matthew Warren, Inc. Div Maryland Precision Spring |
NSN 5310-01-278-9017 is a Washer,spring Tension, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-278-9017 has 1 manufacturer part number on file: 67A98B80 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 67A98B80: Overall Height: 0.161 INCHES NOMINAL IN; FSC Application Data: SPECIAL TOOLS; Surface Treatment Document and Classification: MIL-C-13924 CLS 1 MIL SPEC ALL TREATMENT RESPONSES OVERALL; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM. 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.