The Washer,lock, cataloged under National Stock Number 5310-01-170-9104, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Smalley Steel Ring Co.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-01-170-9104 |
| Primary Part Number | 445-10 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Smalley Steel Ring Co. |
| Status | CANCELLED |
| Hole Diameter | 0.810 INCHES NOMINAL IN |
| Style Designator | SPLIT DOUBLE HELICAL RING |
| Material Document and Classification | QQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment Document and Classification | ASTM B545 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material | COPPER ALLOY OVERALL |
| Outside Diameter | 1.030 INCHES NOMINAL IN |
| Surface Treatment | TIN OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5310-01-170-9104 is a Washer,lock, manufactured by Smalley Steel Ring Co., classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-01-170-9104 has 3 cross-referenced part numbers: 445-10 (Smalley Steel Ring Co.), 4M294-12 (The Boeing Company Div Defense), 4M294-12 (Smalley Steel Ring Co.).
There are 5 known substitutes for 5310-01-170-9104: 5910-00-072-0026, 3020-00-407-1107, 3020-00-574-6623 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 445-10: Overall Height: 0.404 INCHES NOMINAL IN; Hole Diameter: 0.810 INCHES NOMINAL IN; Style Designator: SPLIT DOUBLE HELICAL RING; Material Document and Classification: QQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-01-170-9104 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.