The Washer,spring Tension, cataloged under National Stock Number 5310-01-271-9603, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-271-9603 |
| Primary Part Number | 120820-2 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material Thickness | 0.025 INCHES NOMINAL IN |
| 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.). |
| Material | STEEL CORROSION RESISTING OVERALL |
| Special Test Features | SPECIAL QUALITY CONTROL TESTING |
| Surface Treatment | PASSIVATE OVERALL |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN |
| Style Designator | SPRING TENSION |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| Outside Diameter | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 120820-2 | Lockheed Martin Corp (USA) |
| H10099LLHX55054 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| B0500-025-S | Barnes Group Inc. Dba Associated Spring Div Associated Spring Bristol (USA) |
NSN 5310-01-271-9603 is a Washer,spring Tension, manufactured by Lockheed Martin Corp, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-271-9603 has 3 cross-referenced part numbers: 120820-2 (Lockheed Martin Corp), H10099LLHX55054 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), B0500-025-S (Barnes Group Inc. Dba Associated Spring Div Associated Spring Bristol).
There is 1 known substitute for 5310-01-271-9603: 5310-00-526-1909. Verify interchangeability with system specifications before substitution.
Key specifications for 120820-2: Criticality Code Justification: ZZZY; Material Thickness: 0.025 INCHES NOMINAL IN; 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.).; Material: STEEL CORROSION RESISTING OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.