The Washer,key, cataloged under National Stock Number 5310-00-336-2841, 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 13 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-336-2841 |
| Primary Part Number | 227340 |
| 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 | 0.264 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.078 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.568 INCHES MINIMUM AND 0.588 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Material Thickness | 0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| External Key Quantity | 1 |
| Internal Prebent Key Length | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Material | STEEL COMP 410 OVERALL |
| 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 | Y |
NSN 5310-00-336-2841 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-336-2841 has 2 manufacturer part numbers on file: 227340 (Rtx Corporation Div Pratt & Whitney), 227340 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-163-1915. Verify interchangeability with system specifications before substitution.
Key specifications for 227340: Distance From Centerline to Inside of Prebent Key: 0.264 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN; External Prebent Key Length: 0.078 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.568 INCHES MINIMUM AND 0.588 INCHES MAXIMUM IN; Criticality Code Justification: FEAT. 13 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.