The Portable Bladder, cataloged under National Stock Number 4510-01-554-8916, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-554-8916 |
| Primary Part Number | 76WS500P |
| Item Name | Portable Bladder |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| H023488 | Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (USA) |
| 76WS500P PRIMARY | Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 76WS500P | 3/9 Design control — primary reference Hdt Expeditionary Systems, Inc. |
NSN 4510-01-554-8916 is a Portable Bladder, manufactured by Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-554-8916 has 2 manufacturer part numbers on file: H023488 (Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc), 76WS500P (Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc).
Key specifications for 76WS500P: Special Features: THIS WATER BLADDER IS 9 FEET X 7 FEET WITH A FILLER HEIGHT OF 21 INCHES, CONSTUCTED WITH 28 OUNCE POLYESTER FABRIC BASED MEMBRANE WITH PVC COATING BLADDER CAPACITY IS 500 US GALLONS, 416 IMPERIAL GALLONS, 1893 LITRES, COMESCOMPLETE WITH CAM LOC FITTINGS, 1.25 INCH DROP OUT VALVE, 3/4 INCH DOUBLE FEMALE GHT (2) 3/4 INCH GHT SHUT OFF VALVES (2), 5 INCH STEEL CHAIN, 4 INCH FILL CAP WITH VENT AND GASKET OZ. 0 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.