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NSN 5977-00-552-1346Government record, cited

Ring, Electrical Contact5977-00-552-1346

NSN 5977-00-552-1346 · NIIN 005521346 · Part number 537049
Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 5977 — Electrical Contact Brushes and Electrodes · FSG 59 — Electrical and Electronic Equipment Components · CAGE 73030
Government record, cited
NSN 5977-00-552-1346 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-552-1346. Manufacturer of record part number: 537049.
Also searched as  5977-00-552-1346 · 5977005521346 · NIIN 005521346 · 00-552-1346 · FSC 5977 Electrical Contact Brushes and Electrodes · CAGE 73030 · 537049
Nearby stock numbers  ·
Features
  • Ring,electrical Contact — FSC 5977
  • FSC Application Data: VAR PITCH ACFT PROPELLER
  • Overall Diameter: 17.960 INCHES NOMINAL IN
  • Shape: CYLINDRICAL
  • Mounting Configuration: 12,NO 10. STUDS EQUALLY SPACED ON 17.58 IN. DIA MTG CTR IN
  • Material: COPPER
  • Usage Design: FOR DEICING PROPELLER BLADES
  • 2 manufacturer part numbers on file
Identification
  • NSN: 5977-00-552-1346
  • NIIN: 005521346
  • FSC: 5977 — Electrical Contact Brushes and Electrodes
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 537049
  • Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description

The Ring,electrical Contact, cataloged under National Stock Number 5977-00-552-1346, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 6 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
ParameterValue
NSN5977-00-552-1346
Primary Part Number537049
Item NameRing,electrical Contact
FSC / FSG5977 / 59 — Electrical Contact Brushes and Electrodes
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
FSC Application DataVAR PITCH ACFT PROPELLER
Overall Diameter17.960 INCHES NOMINAL IN
ShapeCYLINDRICAL
Mounting Configuration12,NO 10. STUDS EQUALLY SPACED ON 17.58 IN. DIA MTG CTR IN
MaterialCOPPER
Usage DesignFOR DEICING PROPELLER BLADES
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
537049 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
537049 Paramount Machine Company, Inc. Dba Paramount Machine Co Inc (USA)
No interchangeability data on file.
Other items in FSC 5977 — Electrical Contact Brushes and Electrodes
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5977-00-001-8018
BRUSH,ELECTRICAL CONTACT
5977-00-001-8867
5977-00-001-8867 · Item name not on file
5977-00-002-9654
5977-00-002-9654 · Item name not on file
5977-00-003-0257
BRUSH SET,ELECTRICAL CONTACT
5977-00-003-0258
HOLDER,ELECTRICAL CONTACT BRUSH
5977-00-003-0264
5977-00-003-0264 · Item name not on file
5977-00-003-1196
ELECTRODE
5977-00-003-1197
5977-00-003-1197 · Item name not on file

Frequently Asked Questions

What is NSN 5977-00-552-1346?

NSN 5977-00-552-1346 is a Ring,electrical Contact, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.

What part numbers are listed for NSN 5977-00-552-1346?

NSN 5977-00-552-1346 has 2 manufacturer part numbers on file: 537049 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 537049 (Paramount Machine Company, Inc. Dba Paramount Machine Co Inc).

What are the specifications of 537049?

Key specifications for 537049: FSC Application Data: VAR PITCH ACFT PROPELLER; Overall Diameter: 17.960 INCHES NOMINAL IN; Shape: CYLINDRICAL; Special Features: 1.6 IN. THK; 1 PKG PER BOX IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5977-00-552-1346 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.

What is the DEMIL code for NSN 5977-00-552-1346?

NSN 5977-00-552-1346 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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