NSN 4820-00-312-8366 · NIIN 003128366 · Part number 24774
Triumph Engine Control Systems Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11599
Government record, cited
NSN 4820-00-312-8366 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-312-8366. Manufacturer of record part number: 24774.
Also searched as4820-00-312-8366 ·
4820003128366 ·
NIIN 003128366 ·
00-312-8366 ·
FSC 4820 Valves, Nonpowered · CAGE 11599 · 24774
Manufacturer of record: Triumph Engine Control Systems Llc
Identification
NSN: 4820-00-312-8366
NIIN: 003128366
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 24774
Manufacturer: Triumph Engine Control Systems Llc
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-312-8366, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-312-8366
Primary Part Number
24774
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Triumph Engine Control Systems Llc
Status
ACTIVE
Seal Accommodation Type
GROOVED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5325-00-912-7235POSSIBLE MATCH
INSERT,SCREW THREAD
Possible match (shared part number)
6110-01-316-074424774POSSIBLE MATCH
STARTER,MOTOR
Possible match (shared part number)Ward Leonard Ct Llc
5325-01-541-898024774POSSIBLE MATCH
STUD,TURNLOCK FASTENER
Possible match (shared part number)Charles Reed Knight Jr Dba Knight's Armament Company
NSN 4820-00-312-8366 is a Seat,valve, manufactured by Triumph Engine Control Systems Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-312-8366?
NSN 4820-00-312-8366 has 1 manufacturer part number on file: 24774 (Triumph Engine Control Systems Llc).
What NSN replaces 4820-00-312-8366?
3 possible matches (shared part number, not a government interchangeability claim): 5325-00-912-7235, 6110-01-316-0744, 5325-01-541-8980. Verify interchangeability with system specifications before substitution.
What are the specifications of 24774?
Key specifications for 24774: Seal Accommodation Type: GROOVED. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-312-8366 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.