PartsTable TECHNICAL DATA SHEET
NSN 5977-00-444-7702Government record, cited

Ring, Electrical Contact Brush Ho5977-00-444-7702

NSN 5977-00-444-7702 · NIIN 004447702 · Part number 27033
Naval Inventory Control Point Mechanicsburg · FSC 5977 — Electrical Contact Brushes and Electrodes · FSG 59 — Electrical and Electronic Equipment Components · CAGE 03950
Government record, cited
NSN 5977-00-444-7702 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-444-7702. Manufacturer of record part number: 27033.
Also searched as  5977-00-444-7702 · 5977004447702 · NIIN 004447702 · 00-444-7702 · FSC 5977 Electrical Contact Brushes and Electrodes · CAGE 03950 · 27033 · LN27033
Nearby stock numbers  ·
Features
  • Ring,electrical Contact Brush Ho — FSC 5977
  • Overall Diameter: 4.125 INCHES NOMINAL IN
  • Overall Thickness: 0.625 INCHES NOMINAL IN
  • Shape: ROUND
  • Surface Treatment: LACQUER
  • Mounting Configuration: TWO 0.180 IN. DIA MTG HOLES SPACED 140 DEG APART ON 2.625 IN. DIA BC IN
  • Material: FIBER
  • 2 manufacturer part numbers on file
Identification
  • NSN: 5977-00-444-7702
  • NIIN: 004447702
  • FSC: 5977 — Electrical Contact Brushes and Electrodes
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 27033
  • Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description

The Ring,electrical Contact Brush Ho, cataloged under National Stock Number 5977-00-444-7702, 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 Naval Inventory Control Point Mechanicsburg. 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. 4 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
NSN5977-00-444-7702
Primary Part Number27033
Item NameRing,electrical Contact Brush Ho
FSC / FSG5977 / 59 — Electrical Contact Brushes and Electrodes
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Overall Diameter4.125 INCHES NOMINAL IN
Overall Thickness0.625 INCHES NOMINAL IN
ShapeROUND
Surface TreatmentLACQUER
Mounting ConfigurationTWO 0.180 IN. DIA MTG HOLES SPACED 140 DEG APART ON 2.625 IN. DIA BC IN
MaterialFIBER
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3130-01-186-710727033 POSSIBLE MATCH
CAP,PILLOW BLOCK
Possible match (shared part number)Moog Inc. Dba Ampac-Isp Corp
5130-01-298-708827033 POSSIBLE MATCH
GUIDE,PIN FASTENER
Possible match (shared part number)Illinois Tool Works Inc
4320-01-326-6622 POSSIBLE MATCH
PISTON,PUMP
Possible match (shared part number)
5895-01-373-57715829679 POSSIBLE MATCH
MONITOR,RADIO FREQUENCY
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
27033 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
LN27033 Agco Corp Parts Opn (USA)
Related Parts
3130-01-186-7107POSSIBLE MATCH
CAP,PILLOW BLOCK
27033
5130-01-298-7088POSSIBLE MATCH
GUIDE,PIN FASTENER
27033
4320-01-326-6622POSSIBLE MATCH
PISTON,PUMP
5895-01-373-5771POSSIBLE MATCH
MONITOR,RADIO FREQUENCY
5829679

Frequently Asked Questions

What is NSN 5977-00-444-7702?

NSN 5977-00-444-7702 is a Ring,electrical Contact Brush Ho, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.

What part numbers are listed for NSN 5977-00-444-7702?

NSN 5977-00-444-7702 has 2 manufacturer part numbers on file: 27033 (Naval Inventory Control Point Mechanicsburg), LN27033 (Agco Corp Parts Opn).

What NSN replaces 5977-00-444-7702?

4 possible matches (shared part number, not a government interchangeability claim): 3130-01-186-7107, 5130-01-298-7088, 4320-01-326-6622. Verify interchangeability with system specifications before substitution.

What are the specifications of 27033?

Key specifications for 27033: Overall Diameter: 4.125 INCHES NOMINAL IN; Overall Thickness: 0.625 INCHES NOMINAL IN; Shape: ROUND; Surface Treatment: LACQUER. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5977-00-444-7702 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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