The Spacer,sleeve, cataloged under National Stock Number 5365-01-504-4957, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5365-01-504-4957 |
| Primary Part Number | 999-4213-E-11-14 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Material Document and Classification | ASTM A276 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| 999-4213-E-11-14 PRIMARY | Carver Pump Company (USA) |
| 999-4213-E-11 ITEM 14 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 999-4213-E-11 | D/9 Drawing number reference only Carver Pump Company |
NSN 5365-01-504-4957 is a Spacer,sleeve, manufactured by Carver Pump Company, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-504-4957 has 2 manufacturer part numbers on file: 999-4213-E-11-14 (Carver Pump Company), 999-4213-E-11 ITEM 14 (Carver Pump Company).
3 possible matches (shared part number, not a government interchangeability claim): 3120-01-504-4998, 5305-01-504-5293, 4320-01-505-0505. Verify interchangeability with system specifications before substitution.
Key specifications for 999-4213-E-11-14: Material Document and Classification: ASTM A276 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Part Name Assigned by Controlling Agency: SHAFT,SLEEVED; End Item Identification: SECTIONAL ASSY,MAX 3X2-13; CLOSE-COUPLED; Material: STEEL COMP 316 OVERALL. 2 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.