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NSN 4730-01-522-0973Government record, cited

Cover, Fluid Strainer4730-01-522-0973

NSN 4730-01-522-0973 · NIIN 015220973 · Part number 801-6640828-144
Naval Sea Systems Command · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 53711
Government record, cited
NSN 4730-01-522-0973 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-522-0973. Manufacturer of record part number: 801-6640828-144.
Also searched as  4730-01-522-0973 · 4730015220973 · NIIN 015220973 · 01-522-0973 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 53711 · 801-6640828-144 · 2633-713-01-144 · 6640828
Nearby stock numbers  ·
Features
  • Cover,fluid Strainer — FSC 4730
  • Material: COPPER ALLOY 706
  • Attachment Method: UNION NUT
  • 1 manufacturer part number on file
  • Manufacturer of record: Naval Sea Systems Command
Identification
  • NSN: 4730-01-522-0973
  • NIIN: 015220973
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 801-6640828-144
  • Manufacturer: Naval Sea Systems Command
General Description

The Cover,fluid Strainer, cataloged under National Stock Number 4730-01-522-0973, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-522-0973
Primary Part Number801-6640828-144
Item NameCover,fluid Strainer
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerNaval Sea Systems Command
StatusACTIVE
MaterialCOPPER ALLOY 706
Attachment MethodUNION NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-522-0996801-6640828-146 POSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
Possible match (shared part number)Naval Sea Systems Command
4730-01-522-7750801-6640828 PC 13 POSSIBLE MATCH
CAP,RETENTION,PRESSURE PLUG
Possible match (shared part number)Naval Sea Systems Command
4730-01-522-7798801-6640828 PC 15 POSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
Possible match (shared part number)Naval Sea Systems Command
4730-01-719-38926640828-ASSY-151 POSSIBLE MATCH
STRAINER,SEDIMENT
Possible match (shared part number)Naval Sea Systems Command
5330-01-735-6462801-6640828-175-1 POSSIBLE MATCH
GASKET,SPIRAL WOUND
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
801-6640828-144 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
2633-713-01-144 5/2 Secondary reference
U.S. Government activity
6640828 D/9 Drawing number reference only
Naval Sea Systems Command
Related Parts
4730-01-522-0996POSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
801-6640828-146
4730-01-522-7750POSSIBLE MATCH
CAP,RETENTION,PRESSURE PLUG
801-6640828 PC 13
4730-01-522-7798POSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
801-6640828 PC 15
4730-01-719-3892POSSIBLE MATCH
STRAINER,SEDIMENT
6640828-ASSY-151
5330-01-735-6462POSSIBLE MATCH
GASKET,SPIRAL WOUND
801-6640828-175-1

Frequently Asked Questions

What is NSN 4730-01-522-0973?

NSN 4730-01-522-0973 is a Cover,fluid Strainer, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-522-0973?

NSN 4730-01-522-0973 has 1 manufacturer part number on file: 801-6640828-144 (Naval Sea Systems Command).

What NSN replaces 4730-01-522-0973?

5 possible matches (shared part number, not a government interchangeability claim): 4730-01-522-0996, 4730-01-522-7750, 4730-01-522-7798. Verify interchangeability with system specifications before substitution.

What are the specifications of 801-6640828-144?

Key specifications for 801-6640828-144: Special Features: USED WITH O'RING TO HOLD ELEMENT IN BODY; Part Name Assigned by Controlling Agency: CAP; End Item Identification: SHIP STRAINER; Material: COPPER ALLOY 706. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-522-0973 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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