The Seat,limiting Valve, cataloged under National Stock Number 2915-00-601-8801, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2915-00-601-8801 |
| Primary Part Number | 521128 |
| Item Name | Seat,limiting Valve |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | O/A DIM.,0.543 IN. LG,0.635 IN. W,0.7217 IN. H IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2915-00-601-8801 is a Seat,limiting Valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-00-601-8801 has 2 manufacturer part numbers on file: 521128 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 521128 (Peerless Tool & Machine Co, Inc).
1 possible match (shared part number, not a government interchangeability claim): 2930-01-193-2881. Verify interchangeability with system specifications before substitution.
Key specifications for 521128: General Characteristics Item Description: O/A DIM.,0.543 IN. LG,0.635 IN. W,0.7217 IN. H IN; End Item Identification: CONTROL ASSEMBLY,FUEL,PART NO. 515165. 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.