The Washer,flat, cataloged under National Stock Number 5310-00-003-6688, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Annealing Box Co. Government technical data includes 10 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: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-003-6688 |
| Primary Part Number | 4285-7 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | National Annealing Box Co |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Reference Number Differentiating Characteristics | MATERIAL MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| Special Test Features | SPECIAL QUALITY CONTROL TESTING |
| Test Data Document | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.812 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Thickness | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4285-7 | National Annealing Box Co (USA) |
| NW4285-7 | National Annealing Box Co (USA) |
| 820-4445999-3 | Naval Sea Systems Command (USA) |
NSN 5310-00-003-6688 is a Washer,flat, manufactured by National Annealing Box Co, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-003-6688 has 3 cross-referenced part numbers: 4285-7 (National Annealing Box Co), NW4285-7 (National Annealing Box Co), 820-4445999-3 (Naval Sea Systems Command).
There are 5 known substitutes for 5310-00-003-6688: 3110-00-155-6779, 6105-00-338-7331, 5930-01-023-9911 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4285-7: Material: STEEL OVERALL; Reference Number Differentiating Characteristics: MATERIAL MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS; Special Test Features: SPECIAL QUALITY CONTROL TESTING; Test Data Document: 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).. 10 total characteristics are documented in the Federal Logistics Information System.