The Washer,flat, cataloged under National Stock Number 5310-00-551-6680, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 5310-00-551-6680 |
| Primary Part Number | 515-57 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | CANCELLED |
| Peripheral Shape Style | ROUND |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Material | STEEL COMP 302 OR STEEL COMP 304 OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Center Hole Shape Style | ROUND |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment Document and Classification | MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thickness | 0.015 INCHES NOMINAL IN |
| Hole Diameter | 0.046 INCHES NOMINAL IN |
| Overall Diameter | 0.093 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 515-57 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
NSN 5310-00-551-6680 is a Washer,flat, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-551-6680 has 1 cross-referenced part number: 515-57 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
There are 5 known substitutes for 5310-00-551-6680: 3120-00-356-3499, 5962-00-455-0843, 4240-01-251-3282 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 515-57: Peripheral Shape Style: ROUND; Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 302 OR STEEL COMP 304 OVERALL; Surface Treatment: PASSIVATE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-551-6680 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.