The Guide,valve Stem, cataloged under National Stock Number 4810-01-514-6587, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Pro-Quip Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-514-6587 |
| Primary Part Number | 001044.444.000 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Pro-Quip Inc |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 176441.001 REF NO. 83 | Flowserve Us Company Div Flow Control Division (USA) |
| 001044.444.000 PRIMARY | Pro-Quip Inc (USA) |
| 176441.002 REF NO. 83 | Flowserve Us Company Div Flow Control Division (USA) |
| Reference | Meaning |
|---|---|
| 176441.001 | D/9 Drawing number reference only Flowserve Us Company Div Flow Control Division |
| 001044.432.000 | 5/9 Secondary reference Pro-Quip Inc |
| 176441.002 | D/9 Drawing number reference only Flowserve Us Company Div Flow Control Division |
NSN 4810-01-514-6587 is a Guide,valve Stem, manufactured by Pro-Quip Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-514-6587 has 3 manufacturer part numbers on file: 176441.001 REF NO. 83 (Flowserve Us Company Div Flow Control Division), 001044.444.000 (Pro-Quip Inc), 176441.002 REF NO. 83 (Flowserve Us Company Div Flow Control Division).
2 possible matches (shared part number, not a government interchangeability claim): 4810-01-514-9661, 4810-01-515-1957. Verify interchangeability with system specifications before substitution.
Key specifications for 001044.444.000: Part Name Assigned by Controlling Agency: GUIDE, 0.56 STEM; End Item Identification: AIR EJECTOR COND. RECIRC. TEMP; Material: COPPER ALLOY. 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.