The Washer,spring Tension, cataloged under National Stock Number 5310-01-052-1798, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Aljers Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-052-1798 |
| Primary Part Number | 48900-P |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Aljers Llc |
| Status | ACTIVE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 6.945 INCHES NOMINAL6.945 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL0.063 INCHES NOMINAL IN |
| Material | STEEL COMP 1075 OVERALL |
| Hole Diameter | 5.408 INCHES NOMINAL5.408 INCHES NOMINAL 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 |
|---|---|
| 48900-P PRIMARY | Aljers Llc (USA) |
| Reference | Meaning |
|---|---|
| 48900-P | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-052-1798 is a Washer,spring Tension, manufactured by Aljers Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-052-1798 has 1 manufacturer part number on file: 48900-P (Aljers Llc).
Key specifications for 48900-P: Overall Height: 0.535 INCHES NOMINAL0.535 INCHES NOMINAL IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 6.945 INCHES NOMINAL6.945 INCHES NOMINAL IN; Material Thickness: 0.063 INCHES NOMINAL0.063 INCHES NOMINAL IN. 5 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.