The Washer,spring Tension, cataloged under National Stock Number 5310-00-033-3101, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Horizon Aerospace Llc Dba Magnetics Division. Government technical data includes 8 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-033-3101 |
| Primary Part Number | 21-421 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Horizon Aerospace Llc Dba Magnetics Division |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Thickness | 0.010 INCHES MINIMUM AND 0.012 INCHES MAXIMUM IN |
| Hole Diameter | 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 510 OVERALL |
| Surface Treatment | NICKEL OVERALL |
| Surface Treatment Document and Classification | QQ-N-290 CL 1 TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21-421 PRIMARY | Horizon Aerospace Llc Dba Magnetics Division (USA) |
NSN 5310-00-033-3101 is a Washer,spring Tension, manufactured by Horizon Aerospace Llc Dba Magnetics Division, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-033-3101 has 1 cross-referenced part number: 21-421 (Horizon Aerospace Llc Dba Magnetics Division).
There are 8 known substitutes for 5310-00-033-3101: 3110-00-100-4221, 5935-00-118-7863, 5331-00-467-3347 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21-421: Style Designator: SPRING TENSION; Material Thickness: 0.010 INCHES MINIMUM AND 0.012 INCHES MAXIMUM IN; Hole Diameter: 0.126 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN; Special Features: SIX EQUALLY SPACED TABS 0.062 IN. WIDE WITH 0.031 IN. SLOT 0.016 IN. FROM OUTSIDE DIA TO CENTER HOLE IN. 10 total characteristics are documented in the Federal Logistics Information System.