PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PP2891Ring Assembly,electrical Contact

Electro-Tec Corp Dba Moog Inc., Components Group · NSN 5977-00-504-5431 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-504-5431 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-504-5431. Primary manufacturer part number: PP2891.
Features
  • Ring Assembly,electrical Contact — FSC 5977
  • Width: 0.030 INCHES NOMINAL IN
  • FSC Application Data: GYRO,AUTOPILOT
  • Mounting Configuration: SHAFT MOUNTED
  • Surface Treatment: GOLD RING
  • Overall Diameter: 0.140 INCHES NOMINAL IN
  • Diameter: 0.140 INCHES NOMINAL IN
  • Contact Ring Quantity: 7
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-504-5431, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Electro-Tec Corp Dba Moog Inc., Components Group. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-504-5431
Primary Part NumberPP2891
Item NameRing Assembly,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerElectro-Tec Corp Dba Moog Inc., Components Group
StatusCANCELLED
Width0.030 INCHES NOMINAL IN
FSC Application DataGYRO,AUTOPILOT
Mounting ConfigurationSHAFT MOUNTED
Surface TreatmentGOLD RING
Overall Diameter0.140 INCHES NOMINAL IN
Diameter0.140 INCHES NOMINAL IN
Contact Ring Quantity7
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
7930-00-184-9423 INTERCHANGEABLE
Glass Cleaner
7930-00-664-69107930-00-664-6910 INTERCHANGEABLE
Glass Cleaner
National Industries for the Blind
7930-00-901-20887930009012088 INTERCHANGEABLE
Glass Cleaner
National Industries for the Blind
7930-01-326-81107930013268110 INTERCHANGEABLE
Glass Cleaner
National Industries for the Blind
6520-01-513-7578AA-40 INTERCHANGEABLE
Foot Control Kit,dental Unit
Aseptico, Inc. Dba Aseptico Inc
Cross-Reference Index
Part NumberManufacturer
AA40 Moog Inc. (USA)
435315 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
PP2891 PRIMARY Electro-Tec Corp Dba Moog Inc., Components Group (USA)
Related Parts
7930-00-184-9423INTERCHANGEABLE
GLASS CLEANER
7930-00-664-6910INTERCHANGEABLE
GLASS CLEANER
7930-00-664-6910
7930-00-901-2088INTERCHANGEABLE
GLASS CLEANER
7930009012088
7930-01-326-8110INTERCHANGEABLE
GLASS CLEANER
7930013268110
6520-01-513-7578INTERCHANGEABLE
FOOT CONTROL KIT,DENTAL UNIT
AA-40

Frequently Asked Questions

What is NSN 5977-00-504-5431?

NSN 5977-00-504-5431 is a Ring Assembly,electrical Contact, manufactured by Electro-Tec Corp Dba Moog Inc., Components Group, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-504-5431?

NSN 5977-00-504-5431 has 3 cross-referenced part numbers: AA40 (Moog Inc.), 435315 (Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis), PP2891 (Electro-Tec Corp Dba Moog Inc., Components Group).

What NSN replaces 5977-00-504-5431?

There are 5 known substitutes for 5977-00-504-5431: 7930-00-184-9423, 7930-00-664-6910, 7930-00-901-2088 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PP2891?

Key specifications for PP2891: Width: 0.030 INCHES NOMINAL IN; FSC Application Data: GYRO,AUTOPILOT; Mounting Configuration: SHAFT MOUNTED; Surface Treatment: GOLD RING. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-504-5431 still in active supply?

NSN 5977-00-504-5431 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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