NSN 4820-01-081-7983 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-081-7983. Manufacturer of record part number: MC12537.
Also searched as4820-01-081-7983 ·
4820010817983 ·
NIIN 010817983 ·
01-081-7983 ·
FSC 4820 Valves, Nonpowered · CAGE 76050 · MC12537
Overall Diameter: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
Material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE AND DISULFIDE MOLYBDENUM
1 manufacturer part number on file
Manufacturer of record: Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace
Identification
NSN: 4820-01-081-7983
NIIN: 010817983
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: MC12537
Manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace
General Description
The Button,valve, cataloged under National Stock Number 4820-01-081-7983, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-081-7983
Primary Part Number
MC12537
Item Name
Button,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace
Status
ACTIVE
Overall Diameter
0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
Material
PLASTIC POLYHEXAMETHYLENE ADIPAMIDE AND DISULFIDE MOLYBDENUM
Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
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 4820-01-081-7983?
NSN 4820-01-081-7983 is a Button,valve, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-081-7983?
NSN 4820-01-081-7983 has 1 manufacturer part number on file: MC12537 (Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace).
What are the specifications of MC12537?
Key specifications for MC12537: Overall Diameter: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN; Overall Length: 0.182 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; End Item Identification: AIRCRAFT MODEL F-14A A; Material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE AND DISULFIDE MOLYBDENUM. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-081-7983 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.