The Spacer,sleeve, cataloged under National Stock Number 5365-00-448-4729, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5365-00-448-4729 |
| Primary Part Number | 8521 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — No Item Name Available |
| Manufacturer | Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron |
| Status | CANCELLED |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material | ALUMINUM ALLOY OVERALL |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment | OXIDE FILM OVERALL |
| Body Outside Diameter | 0.2180 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.1650 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 000-8006-423 | The Boeing Company Div Legacy Boeing Hb1 (USA) |
| 8521 | Arjay Electronics Corp (USA) |
| 8521 PRIMARY | Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA) |
| 8521 | Dialight Corporation (USA) |
NSN 5365-00-448-4729 is a Spacer,sleeve, manufactured by Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron, classified under FSC 5365 (No Item Name Available). Status: cancelled.
NSN 5365-00-448-4729 has 4 cross-referenced part numbers: 000-8006-423 (The Boeing Company Div Legacy Boeing Hb1), 8521 (Arjay Electronics Corp), 8521 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 8521 (Dialight Corporation).
There are 7 known substitutes for 5365-00-448-4729: 5360-00-321-2740, 1075-00-383-8266, 4730-00-408-7900 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8521: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: ALUMINUM ALLOY OVERALL; Overall Length: 0.2500 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5365-00-448-4729 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.