The Seat,valve, cataloged under National Stock Number 4820-01-310-0745, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-310-0745 |
| Primary Part Number | 2007651 PC-7Q3,ULTM1000 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Body Outside Diameter | 1.750 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Style Designator | PLAIN |
| Body Inside Diameter | 1.000 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Reference Number Differentiating Characteristics | ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 2007651 PC-7Q3,ULTM1000 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2640-801X2 PIECE25UQ3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2109878 PIECE-5Q3,ULTM1000 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2640-770X3 PIECE-5Q3,ULTM1000 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2007659 PC-7Q3,ULTM1000 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2050965 PIECE 5,ULTM1000 | 5/1 Secondary reference U.S. Government activity |
| 2640770X3 PIECE-5 ULTM1000 | 5/2 Secondary reference U.S. Government activity |
| 2050965 PIECE 5,ULTM1000Q3 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 2007651 PIECE 7,ULTM1000 | 5/1 Secondary reference U.S. Government activity |
| 2640-801X2 PIECE25U | 3/1 Design control — primary reference U.S. Government activity |
| 2007659 PC-7, ULTM1000 | 5/2 Secondary reference U.S. Government activity |
| 210987 PIECE 5,ULTM1000 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-310-0745 is a Seat,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-310-0745 has 5 manufacturer part numbers on file: 2007651 PC-7Q3,ULTM1000 (Naval Inventory Control Point Mechanicsburg), 2640-801X2 PIECE25UQ3 (Naval Inventory Control Point Mechanicsburg), 2109878 PIECE-5Q3,ULTM1000 (Naval Inventory Control Point Mechanicsburg), 2640-770X3 PIECE-5Q3,ULTM1000 (Naval Inventory Control Point Mechanicsburg), 2007659 PC-7Q3,ULTM1000 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 2007651 PC-7Q3,ULTM1000: Body Outside Diameter: 1.750 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Style Designator: PLAIN; Body Inside Diameter: 1.000 INCHES NOMINAL IN. 6 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.