The Washer,flat, cataloged under National Stock Number 5310-00-270-7136, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-270-7136 |
| Primary Part Number | 1JH2860PCS1623F |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Overall Diameter | 1.375 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.812 INCHES NOMINAL IN |
| Thickness | 0.062 INCHES NOMINAL 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 |
|---|---|
| SG3789REVAPC25 | Circor Pumps North America Llc (USA) |
| 1JH2860PCS1623F PRIMARY | Westinghouse Electric Corp (USA) |
| SG2996PC47 PRIMARY | Circor Pumps North America Llc (USA) |
| SG2998PC47 PRIMARY | Circor Pumps North America Llc (USA) |
| SG3792REVAPC36 | Circor Pumps North America Llc (USA) |
| S1623F PRIMARY | Circor Pumps North America Llc (USA) |
| SG2713PC43 PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| S1623F | 5/9 Secondary reference Siemens Energy, Inc. |
| SG2713PC43 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG3792REVAPC36 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG3789REVAPC25 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG2996PC47 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG2998PC47 | 5/9 Secondary reference Siemens Energy, Inc. |
| 4700-3204192PC47 | 3/2 Design control — primary reference U.S. Government activity |
| 1JH2860PCS1623F | 3/2 Design control — primary reference U.S. Government activity |
| 563-2200-982863PCS1623F | 3/2 Design control — primary reference U.S. Government activity |
| 4700-3204194PC47 | 3/2 Design control — primary reference U.S. Government activity |
| 598-518-1894207REVAPC25 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-270-7136 is a Washer,flat, manufactured by Westinghouse Electric Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-270-7136 has 7 manufacturer part numbers on file: SG3789REVAPC25 (Circor Pumps North America Llc), 1JH2860PCS1623F (Westinghouse Electric Corp), SG2996PC47 (Circor Pumps North America Llc), SG2998PC47 (Circor Pumps North America Llc), SG3792REVAPC36 (Circor Pumps North America Llc) and 2 more.
Key specifications for 1JH2860PCS1623F: Overall Diameter: 1.375 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 7 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.