The Washer,spring Tension, cataloged under National Stock Number 5310-00-187-9796, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-187-9796 |
| Primary Part Number | 2N0828 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Hardness Rating | 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | 1F463,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.490 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Material Thickness | 0.0095 INCHES MINIMUM AND 0.0105 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 1.182 INCHES MINIMUM AND 1.192 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 |
|---|---|
| 2N0828 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 2N828 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| 2N0828-00 | 5/9 Secondary reference Mil-Tech Mfg Inc |
NSN 5310-00-187-9796 is a Washer,spring Tension, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-187-9796 has 1 manufacturer part number on file: 2N0828 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 2N0828: Overall Height: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Material Document and Classification: 1F463,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.490 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN. 6 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.