The Insert,disk, cataloged under National Stock Number 4810-01-121-2905, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-121-2905 |
| Primary Part Number | ASI-B-12251-0000-10IN. PT 33 |
| Item Name | Insert,disk |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL NICKEL COPPER ALLOY,QQ-N-288,COMP A |
| 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 |
|---|---|
| ASI-B-12251-0000 PART 8 10IN | Hunt Valve Company, Inc. (USA) |
| ASI-B-12251-0000-10IN. PT 33 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ASI-B-12251-0000 PART 8 10IN | 5/9 Secondary reference Pima Valve, Llc |
| ASI-B-12251-0000-10IN. PT 33 | 3/9 Design control — primary reference Pima Valve, Llc |
| ASI-B-12251-1000-8 | 5/9 Secondary reference Pima Valve, Llc |
| ASI-B-12251-0000 | D/9 Drawing number reference only Pima Valve, Llc |
NSN 4810-01-121-2905 is a Insert,disk, manufactured by Hunt Valve Company, Inc., classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-121-2905 has 2 manufacturer part numbers on file: ASI-B-12251-0000 PART 8 10IN (Hunt Valve Company, Inc.), ASI-B-12251-0000-10IN. PT 33 (Hunt Valve Company, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4810-01-121-2939, 4810-01-121-8681. Verify interchangeability with system specifications before substitution.
Key specifications for ASI-B-12251-0000-10IN. PT 33: General Characteristics Item Description: MATERIAL NICKEL COPPER ALLOY,QQ-N-288,COMP A; End Item Identification: PIMA VALVE 150 LB GLOBE STOP-CHECK VALVE MODEL ASI-B-12251-0000-10 IN. SIZE LBS. 1 specification is 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.