The Washer,flat, cataloged under National Stock Number 5310-01-216-1367, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 12 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 | 5310-01-216-1367 |
| Primary Part Number | 23018199 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | G-4342-M,FSCM 73342 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.688 INCHES NOMINAL IN |
| Hardness Rating | 60.0 ROCKWELL C NOMINAL |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Features Provided | CASEHARDENED |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1211 OR STEEL COMP 1115 OR STEEL COMP 1116 OR STEEL COMP 1117 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.352 INCHES NOMINAL IN |
| Thickness | 0.1196 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 |
|---|---|
| 23018199 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 5310-01-216-1367 is a Washer,flat, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-216-1367 has 1 manufacturer part number on file: 23018199 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 23018199: Surface Treatment Document and Classification: G-4342-M,FSCM 73342 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.688 INCHES NOMINAL IN; Hardness Rating: 60.0 ROCKWELL C NOMINAL; Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL. 12 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.