The Washer,flat, cataloged under National Stock Number 5310-01-349-9648, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-349-9648 |
| Primary Part Number | S8157N98-100G |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Overall Diameter | 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Thickness | 0.095 INCHES MINIMUM AND 0.105 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 |
|---|---|
| S8157N98-100G PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 5310-01-349-9648 is a Washer,flat, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-349-9648 has 1 manufacturer part number on file: S8157N98-100G (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for S8157N98-100G: Overall Diameter: 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: DRY FILM LUBRICANT PER EMS 242,TY 1. 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.