The Spacer,ring, cataloged under National Stock Number 5365-01-390-0571, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-390-0571 |
| Primary Part Number | 21780-400 FIND 16 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — No Item Name Available |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| Overall Thickness | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/8 T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.065 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| Inside Diameter | 1.000 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21780-400 FIND 16 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| 21476-400 FIND 4 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| 21725-400 FIND 11 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| MIL-DTL-24704/5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 21726-400 FIND 8 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| M24704/5EA | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 02-0068-1-5 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
NSN 5365-01-390-0571 is a Spacer,ring, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 5365 (No Item Name Available). Status: active.
NSN 5365-01-390-0571 has 7 cross-referenced part numbers: 21780-400 FIND 16 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21476-400 FIND 4 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21725-400 FIND 11 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), MIL-DTL-24704/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 21726-400 FIND 8 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace) and 2 more.
There are 4 known substitutes for 5365-01-390-0571: 5365-01-388-8780, 5365-01-406-2607, 5365-01-414-9055 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21780-400 FIND 16: Overall Thickness: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/8 T6 FED SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 1.065 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN; Material: ALUMINUM ALLOY 6061. 5 total characteristics are documented in the Federal Logistics Information System.