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NSN 4510-01-328-0659Government record, cited

Float, Valve4510-01-328-0659

NSN 4510-01-328-0659 · NIIN 013280659 · Part number 9775K21
Mcmaster-Carr Supply Co · FSC 4510 — Plumbing Fixtures and Accessories · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 39428
Government record, cited
NSN 4510-01-328-0659 — this item is cataloged by the U.S. Government under National Stock Number 4510-01-328-0659. Manufacturer of record part number: 9775K21.
Also searched as  4510-01-328-0659 · 4510013280659 · NIIN 013280659 · 01-328-0659 · FSC 4510 Plumbing Fixtures and Accessories · CAGE 39428 · 9775K21
Nearby stock numbers  ·
Features
  • Float,valve — FSC 4510
  • Overall Diameter: 4.000 INCHES NOMINAL IN
  • Connection Type: THREADED
  • Quantity: 1
  • Shape: CYLINDRICAL
  • Thread Location: INTERNAL
  • System for Which Designed: OPEN
  • Material: PLASTIC, POLYETHYLENE (PP)
Identification
  • NSN: 4510-01-328-0659
  • NIIN: 013280659
  • FSC: 4510 — Plumbing Fixtures and Accessories
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: 9775K21
  • Manufacturer: Mcmaster-Carr Supply Co
General Description

The Float,valve, cataloged under National Stock Number 4510-01-328-0659, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 8 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
ParameterValue
NSN4510-01-328-0659
Primary Part Number9775K21
Item NameFloat,valve
FSC / FSG4510 / 45 — Plumbing Fixtures and Accessories
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Overall Diameter4.000 INCHES NOMINAL IN
Connection TypeTHREADED
Quantity1
ShapeCYLINDRICAL
Thread LocationINTERNAL
System for Which DesignedOPEN
MaterialPLASTIC, POLYETHYLENE (PP)
Thread Size and Series/type Designator1/4-20 UNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
9775K21 PRIMARY Mcmaster-Carr Supply Co (USA)
No interchangeability data on file.
Other items in FSC 4510 — Plumbing Fixtures and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4510-00-001-7828
SHOWER HEAD
4510-00-003-5231
FLUSH CONNECTION,URINAL-WATER CL
4510-00-004-8263
4510-00-004-8263 · Item name not on file
4510-00-004-8383
FAUCET,SINGLE
4510-00-005-2321
DRAIN,SINK
4510-00-005-5021
PARTS KIT,WATER MIXING VALVE
4510-00-006-0067
4510-00-006-0067 · Item name not on file
4510-00-006-5939
DISK,INDEX

Frequently Asked Questions

What is NSN 4510-01-328-0659?

NSN 4510-01-328-0659 is a Float,valve, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.

What part numbers are listed for NSN 4510-01-328-0659?

NSN 4510-01-328-0659 has 1 manufacturer part number on file: 9775K21 (Mcmaster-Carr Supply Co).

What are the specifications of 9775K21?

Key specifications for 9775K21: Overall Diameter: 4.000 INCHES NOMINAL IN; Connection Type: THREADED; Quantity: 1; Shape: CYLINDRICAL. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4510-01-328-0659 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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