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NSN 4820-01-070-1664Government record, cited

Cock, Drain4820-01-070-1664

NSN 4820-01-070-1664 · NIIN 010701664 · Part number M-1277
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 61208
Government record, cited
NSN 4820-01-070-1664 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-070-1664. Manufacturer of record part number: M-1277.
Also searched as  4820-01-070-1664 · 4820010701664 · NIIN 010701664 · 01-070-1664 · FSC 4820 Valves, Nonpowered · CAGE 61208 · M-1277 · M1277 · M1277
Nearby stock numbers  ·
Features
  • Cock,drain — FSC 4820
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Identification
  • NSN: 4820-01-070-1664
  • NIIN: 010701664
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: M-1277
  • Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
General Description

The Cock,drain, cataloged under National Stock Number 4820-01-070-1664, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameCock,drain
FSC / FSG4820 — Valves, Nonpowered (FSG 48)
ManufacturersTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208); Marine & Industrial Transmissions Ltd (CAGE U2621)
Technical Specifications
ParameterValue
NSN4820-01-070-1664
Primary Part NumberM-1277
Item NameCock,drain
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
M-1277 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
M1277 Marine & Industrial Transmissions Ltd (GBR)
Reference documents
ReferenceMeaning
M1277 5/9 Secondary reference
Twin Disc International S a
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 4820-01-070-1664?

NSN 4820-01-070-1664 is a Cock,drain, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-070-1664?

NSN 4820-01-070-1664 has 2 manufacturer part numbers on file: M-1277 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), M1277 (Marine & Industrial Transmissions Ltd).

Is NSN 4820-01-070-1664 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.
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