The Washer,key, cataloged under National Stock Number 5310-00-997-6835, 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 15 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-997-6835 |
| Primary Part Number | 530733 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Split Key Length | 0.140 INCHES NOMINAL IN |
| External Prebent Key Length | 0.085 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.357 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.430 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| External Tapered Key Width | 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Material Thickness | 0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| External Key Quantity | 3 |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 OVERALL |
| Angle Between External Keys | 60.0 DEGREES NOMINAL |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.260 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 |
|---|---|
| 530733 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 530733 | Rogerson Kratos (USA) |
| 530733 | Alinabal Holdings Corporation Div Engineered Products Group (USA) |
| Reference | Meaning |
|---|---|
| 530733 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 530733 | 5/9 Secondary reference U.S. Government activity |
| 530733 | C/1 Advisory reference — outside the item-of-supply concept Nielsen Hardware Corporation |
NSN 5310-00-997-6835 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-997-6835 has 3 manufacturer part numbers on file: 530733 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 530733 (Rogerson Kratos), 530733 (Alinabal Holdings Corporation Div Engineered Products Group).
Key specifications for 530733: Distance From Centerline to Inside of Prebent Key: 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Split Key Length: 0.140 INCHES NOMINAL IN; External Prebent Key Length: 0.085 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.357 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. 15 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.