The Washer,key, cataloged under National Stock Number 5310-00-367-8709, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-367-8709 |
| Primary Part Number | 4016982 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Internal Straight Key Width | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 3.910 INCHES MINIMUM AND 3.930 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 4.590 INCHES MINIMUM AND 4.610 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 4.310 INCHES MINIMUM AND 4.320 INCHES MAXIMUM IN |
| Material Thickness | 0.056 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| External Straight Key Width | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| External Key Quantity | 30 |
| Material | STEEL COMP 321 OVERALL |
| Internal Key Quantity | 31 |
| Hole Diameter | 4.130 INCHES MINIMUM AND 4.140 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 | F |
| Part Number | Manufacturer |
|---|---|
| 4016982 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4016982 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4016982 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 5310PL0721337 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4016982 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-367-8709 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-367-8709 has 2 manufacturer part numbers on file: 4016982 (Rtx Corporation Div Pratt & Whitney), 4016982 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4016982: Internal Straight Key Width: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 3.910 INCHES MINIMUM AND 3.930 INCHES MAXIMUM IN; Overall Distance Including Keys: 4.590 INCHES MINIMUM AND 4.610 INCHES MAXIMUM IN; Style Designator: KEY. 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.