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FAA-PMA

3991 is an FAA-PMA part held by B/E Aerospace Inc. (PMA PQ3417CE) — approved as a replacement for 399-1 on Airbus Sas A340-541 | A340-642 · Current, Dec 2020.

1 PMA replacement part on file for 3991

A PMA part is approved for the specific eligibility listed on its FAA record; whether it may go on a particular aircraft, engine or component is the installer's determination from that record and the eligibility list. A part-number match alone does not establish eligibility. Source: FAA DRS PMA database, refreshed weekly. Data, not advice.

3991 — SWITCH,TOGGLE

3991 is cataloged as SWITCH,TOGGLE. It carries 2 NSN identities and cross-references to 9 related part numbers. FAA PMA approval is on file from B/E Aerospace Inc. An estimated 5 aircraft of the approved type are registered in the US. The part appears on MCRL cross-reference data.

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NSN identities

Approved sources (CAGE)

  • 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC · P/N WS896/2-01A
  • 28839 TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV
  • 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC · P/N W-S-896/2
  • 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC · P/N 1-30ACLASS1DESIGNA
  • 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC · P/N WS896/1-01A
  • 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC · P/N W-S-896
  • 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC · P/N 3-30ACLASS1DESIGNA
  • 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M · P/N WS896E
  • 04009 COOPER INDUSTRIES INC COOPER DISTRIBUTION EQUIPMENT DIV
  • 04297 LITTLE GIANT PUMP CO · P/N 4453
  • 74545 HUBBELL INCORPORATED (DELAWARE) DBA WIRING DEVICE-KELLEMS DIVISION · P/N 3031

Government purchase history

Distinct Vendors
0
Total
$0.00
Total Amount
$0.00

Government pricing & management

Aac
Z
Aac Label
Insurance item, not stocked
Effective Date
2025-10-01
Moe
DA
Niin
001632059
Qup
1
Rep Rec Code
Z
Slc
0
Sos
SMS
Sos Label
DLA
Ui
EA
Unit Price
$19.53

Demand

Buyer Requests 90d
0
Buyer Requests All
0
Open Solicitations
0

Market on PartsAndPlanes

Active Listings
0
Avg Price
$0.00
Max Price
$0.00
Min Price
0
Sellers
0
Total Quantity
0

Availability

Band
Limited

Related part numbers

1-30ACLASS1DESIGNA, 3-30ACLASS1DESIGNA, 3031, 4453, W-S-896, W-S-896/2, WS896/1-01A, WS896/2-01A, WS896E

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