The Cover,access, cataloged under National Stock Number 5340-00-368-9910, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-368-9910 |
| Primary Part Number | S1503B |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Material Document and Classification | MIL-B-16261,GRADE 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | COPPER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| S1503B PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| S1503B9713 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG3571REVBLN3 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG3331REVBPC6 | 5/9 Secondary reference Siemens Energy, Inc. |
| S-1503B | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 3264079REVBPC6 | 5/9 Secondary reference U.S. Government activity |
| S1503B | 5/9 Secondary reference Siemens Energy, Inc. |
| SG3332REVBPC6 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG3769PC3 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 5340-00-368-9910 is a Cover,access, manufactured by Circor Pumps North America Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-368-9910 has 1 manufacturer part number on file: S1503B (Circor Pumps North America Llc).
Key specifications for S1503B: Material Document and Classification: MIL-B-16261,GRADE 2 MIL SPEC SINGLE MATERIAL RESPONSE; Material: COPPER. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.