The Washer,lock, cataloged under National Stock Number 5310-00-209-1551, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-209-1551 |
| Primary Part Number | MS35337-21 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Nondefinitive Spec/std Data | 1 STYLE AND A CLASS |
| Material | STEEL OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Thickness | 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| Hole Diameter | 0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN |
| Outside Diameter | 0.202 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,OR QQ-Z-325 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | FED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS35337-21 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MECD368719 | Monmouth Industries Inc (USA) |
| 852940 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA) |
| MECB368724-5 | Monmouth Industries Inc (USA) |
| MECD430124-20 | Monmouth Industries Inc (USA) |
| MECD430138-22 | Monmouth Industries Inc (USA) |
NSN 5310-00-209-1551 is a Washer,lock, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-209-1551 has 6 cross-referenced part numbers: MS35337-21 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MECD368719 (Monmouth Industries Inc), 852940 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament), MECB368724-5 (Monmouth Industries Inc), MECD430124-20 (Monmouth Industries Inc) and 1 more.
There is 1 known substitute for 5310-00-209-1551: 5310-00-543-2410. Verify interchangeability with system specifications before substitution.
Key specifications for MS35337-21: Nondefinitive Spec/std Data: 1 STYLE AND A CLASS; Material: STEEL OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Thickness: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-209-1551 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.