The Washer,key, cataloged under National Stock Number 5310-00-720-7674, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St). Government technical data includes 10 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 | 5310-00-720-7674 |
| Primary Part Number | 110S4 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| Status | ACTIVE |
| Internal Straight Key Width | 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 1.100 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.375 INCHES NOMINAL IN |
| Material Thickness | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 2.445 INCHES MINIMUM AND 2.455 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 |
|---|---|
| 110S4 PRIMARY | Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA) |
NSN 5310-00-720-7674 is a Washer,key, manufactured by Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-720-7674 has 1 manufacturer part number on file: 110S4 (Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)).
Key specifications for 110S4: Internal Straight Key Width: 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 1.100 INCHES MINIMUM AND 1.110 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.