The Washer,key, cataloged under National Stock Number 5310-00-444-6450, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Solar Turbines Incorporated Dba Solar Turbines Incorporated. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-444-6450 |
| Primary Part Number | 12977 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| Status | ACTIVE |
| Style Designator | KEY |
| Material Document and Classification | QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR AMS 5040 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| External Tapered Key Width | 0.750 INCHES NOMINAL IN |
| External Prebent Key Length | 0.094 INCHES NOMINAL IN |
| Material | STEEL OR STEEL COMP 1010 OVERALL |
| Overall Distance Including Keys | 0.844 INCHES NOMINAL IN |
| External Prebent Key Angle | 45.0 DEGREES NOMINAL |
| Distance From Centerline to Inside of Prebent Key | 0.316 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN |
| Split Key Length | 0.125 INCHES NOMINAL IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Hole Diameter | 0.328 INCHES NOMINAL IN |
| External Key Quantity | 3 |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Angle Between External Keys | 90.0 DEGREES NOMINAL |
| External Prebent Key Width | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-444-6450 is a Washer,key, manufactured by Solar Turbines Incorporated Dba Solar Turbines Incorporated, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-444-6450 has 3 cross-referenced part numbers: 12977 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), D25-168 (Lucas Aerospace Power Equipment Corporation), 12977 (Rtx Corporation Div Pratt & Whitney).
There are 5 known substitutes for 5310-00-444-6450: 3110-00-727-1252, 4310-00-851-3068, 6145-01-012-4376 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12977: Style Designator: KEY; Material Document and Classification: QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR AMS 5040 ASSN STD 2ND MATERIAL RESPONSE OVERALL; External Tapered Key Width: 0.750 INCHES NOMINAL IN; External Prebent Key Length: 0.094 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.