The Cylinder Spacer, cataloged under National Stock Number 4310-01-457-9872, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-457-9872 |
| Primary Part Number | 3468AS503 |
| Item Name | Cylinder Spacer |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3468AS503 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 3468AS503-3 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 4310-01-457-9872 is a Cylinder Spacer, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-457-9872 has 2 manufacturer part numbers on file: 3468AS503 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3468AS503-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
2 possible matches (shared part number, not a government interchangeability claim): 2590-01-457-9873, 2590-01-457-9876. Verify interchangeability with system specifications before substitution.
Key specifications for 3468AS503: Special Features: PART OF THE INSTALLATION KIT BRAKE; End Item Identification: AS37A-3 KIT; MEPPS. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.