NSN 4820-00-036-2437 · NIIN 000362437 · Part number 41A71-33
Ametek Inc Schutte and Koerting Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53553
Government record, cited
NSN 4820-00-036-2437 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-2437. Manufacturer of record part number: 41A71-33.
Body Outside Diameter: 8.500 INCHES MINIMUM AND 8.502 INCHES MAXIMUM IN
Style Designator: PLAIN
Material Document and Classification: MIL-S-872,CLASS A,COND A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
Body Inside Diameter: 6.500 INCHES NOMINAL IN
Seat Radius: 0.375 INCHES NOMINAL IN
Material: STEEL SEAT
Material: COBALT ALLOY FACE
Identification
NSN: 4820-00-036-2437
NIIN: 000362437
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 41A71-33
Manufacturer: Ametek Inc Schutte and Koerting Div
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-036-2437, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ametek Inc Schutte and Koerting Div. Government technical data includes 8 specifications, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-036-2437
Primary Part Number
41A71-33
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Ametek Inc Schutte and Koerting Div
Status
ACTIVE
Body Outside Diameter
8.500 INCHES MINIMUM AND 8.502 INCHES MAXIMUM IN
Style Designator
PLAIN
Material Document and Classification
MIL-S-872,CLASS A,COND A MIL SPEC SINGLE MATERIAL RESPONSE SEAT
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-00-036-2437?
NSN 4820-00-036-2437 is a Seat,valve, manufactured by Ametek Inc Schutte and Koerting Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-036-2437?
NSN 4820-00-036-2437 has 2 manufacturer part numbers on file: 43A7PC33 (Ametek Inc Schutte and Koerting Div), 41A71-33 (Ametek Inc Schutte and Koerting Div).
What are the specifications of 41A71-33?
Key specifications for 41A71-33: Overall Height: 1.500 INCHES NOMINAL IN; Body Outside Diameter: 8.500 INCHES MINIMUM AND 8.502 INCHES MAXIMUM IN; Style Designator: PLAIN; Material Document and Classification: MIL-S-872,CLASS A,COND A MIL SPEC SINGLE MATERIAL RESPONSE SEAT. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-036-2437 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.