The Washer,flat, cataloged under National Stock Number 5310-00-952-0894, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-952-0894 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Overall Diameter | 1.370 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5721 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Specification/standard Data | 70210-S8157 MANUFACTURERS STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.020 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN |
| Thickness | 0.093 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 |
| Reference | Meaning |
|---|---|
| S8157BT274-093 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| S8157BT274-093 | 3/2 Design control — primary reference U.S. Government activity |
| S8157BT274-093 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Div Aerospace - Torrance |
NSN 5310-00-952-0894 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-952-0894: Overall Diameter: 1.370 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5721 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Specification/standard Data: 70210-S8157 MANUFACTURERS STANDARD. 10 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.