The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-987-7702, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-987-7702 |
| Primary Part Number | D228 |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | ROUND LEFT FLANGE BODY CORNER |
| Flange Outside Diameter | 2.1250 INCHES NOMINAL IN |
| Body Outside Diameter | 1.7460 INCHES NOMINAL IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 1.3720 INCHES NOMINAL IN |
| Flange Width | 0.7500 INCHES NOMINAL IN |
| Material | NICKEL ALLOY K-500 OVERALL |
| Keyway Dimension | 0.3750 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN |
| Keyway Dimension | 0.1300 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN |
| 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 |
|---|---|
| D228 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R1008PC11 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 157434168-13 PRIMARY | Euramco Safety Inc (USA) |
| R-1008PC11 PRIMARY | Rps-Fl, Inc. Dba Rps Inc (USA) |
| Reference | Meaning |
|---|---|
| CS-4320-0436 | D/9 Drawing number reference only Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
NSN 4320-00-987-7702 is a Sleeve,shaft,pump, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-987-7702 has 4 manufacturer part numbers on file: D228 (Circor Naval Solutions Llc Dba Warren Pumps), R1008PC11 (Circor Naval Solutions Llc Dba Warren Pumps), 157434168-13 (Euramco Safety Inc), R-1008PC11 (Rps-Fl, Inc. Dba Rps Inc).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-423-7527. Verify interchangeability with system specifications before substitution.
Key specifications for D228: Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 14 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.