The Cap and Valve,filter,constant Sp, cataloged under National Stock Number 1650-00-288-5380, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1650-00-288-5380 |
| Item Name | Cap and Valve,filter,constant Sp |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| General Characteristics Item Description | INCLUDES FSCM 99167 CAP 712178,SPRING 711157,PLUG 710558,SEAT 710620,INDICATOR 57435 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 712177A | 3/2 Design control — primary reference U.S. Government activity |
| 712177 | 5/9 Secondary reference U.S. Government activity |
| 1650PL1243980 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1650-00-288-5380 is a Cap and Valve,filter,constant Sp, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3030-00-982-1208, 6750-01-428-0813. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-00-288-5380: General Characteristics Item Description: INCLUDES FSCM 99167 CAP 712178,SPRING 711157,PLUG 710558,SEAT 710620,INDICATOR 57435; End Item Identification: 16502024424. 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.
NSN 1650-00-288-5380 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.