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FAA-PMA

55284 is an FAA-PMA part held by Hartzell Engine Technologies LLC (PMA PQ1383CE) — approved as a replacement for 646757A15646757A14646757A13646757A12646757A11646757A10646757A9646757A8646757A7646757A6646757A5646757A4646757A3646757A2646757A1 on Continental Aerospace Technologies | Inc.. (4F) | (5B) | (5F) | (10B) | (11B) | (12B) | (13B) | (14B) | (16B) | (17B) | (18B) | (21B) | (24B) | (26B) | (27B) | (28B) | TSIO-520UB(4B) · Current, Apr 2022.

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.

55284 — NUT,PLAIN,HEXAGON

55284 is cataloged as NUT,PLAIN,HEXAGON. It carries 5 NSN identities and cross-references to 34 related part numbers. FAA PMA approval is on file from Hartzell Engine Technologies LLC. The part appears on MCRL cross-reference data. PartsAndPlanes currently shows 1 active listing from 1 seller across the part family. The government is buying right now: 1 open solicitation. Federal purchase history shows 1 award totaling $2120.

No live listing for 55284 right now. Have one? List it in a minute → or request a quote from sellers.

NSN identities

Approved sources (CAGE)

Government purchase history

Distinct Vendors
1
Last Award Date
2026-08-18
Total
$1.00
Total Amount
$2,119.50

Government pricing & management

Aac
X
Aac Label
Semi-active, no replacement
Effective Date
2025-10-01
Moe
DN
Niin
000284007
Qup
M
Slc
0
Sos
SMS
Sos Label
DLA
Ui
EA
Unit Price
$4.01

Demand

Buyer Requests 90d
0
Buyer Requests All
0
Next Deadline
2026-10-05
Open Solicitations
1

Market on PartsAndPlanes

Active Listings
1
Avg Price
$0.00
Max Price
$0.00
Min Price
0
Sellers
1
Total Quantity
0

Availability

Band
Limited

Open DLA solicitations

No listings yet for 55284.

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