400121 — SPRING,HELICAL,EXTENSION

400121 is cataloged as SPRING,HELICAL,EXTENSION. It carries 5 NSN identities and cross-references to 11 related part numbers. FAA PMA approval is on file from MSP Aviation Inc. An estimated 4 aircraft of the approved type are registered in the US. The part appears on MCRL cross-reference data.

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NSN identities

NSN 003601029 — SPRING,HELICAL,EXTENSION
NSN 009128846 — MOTOR,CONTROL
NSN 009922692 — PARTS KIT,BLOCK ASS
NSN 015388251 — SCREW,CAP,HEXAGON HEAD
NSN 017320890 — O-RING

Approved sources (CAGE)

02978 RENK AMERICA LLC · P/N AA7T279
05088 KEARFOTT CORP · P/N R119-36A
80201 SKF USA INC.
5X050 CRYSTEEL MANUFACTURING, INC
62323 CONAX FLORIDA CORPORATION
0J3D2 MOTION INDUSTRIES
0Y3H3 FASTENAL COMPANY · P/N 110120344
20284 AIMTRON SYSTEMS, LLC
32537 JOY GLOBAL UNDERGROUND MINING LLC
64678 DAIMLER TRUCK NORTH AMERICA LLC · P/N CMG/400121
79RG9 NORTHROP GRUMMAN SYSTEMS CORPORATION · P/N 128GSK2-100
92878 HDT EXPEDITIONARY SYSTEMS INC · P/N 25327

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: 2026-10-01
Moe: DA
Niin: 003601029
Qup: 1
Rep Rec Code: Z
Slc: 0
Sos: SMS
Sos Label: DLA
Ui: EA
Unit Price: $1.88

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: Readily Available

Related part numbers

110120344, 11M4B-BD0-B2, 128GSK2-100, 25327, 5800583-811000.114, 8148650, AA7T279, CMG/400121, R119-36A, SKF 400121, V23491-Y1

FAA-PMA

400121 is an FAA-PMA part by Snaky Creek Enterprises dba Spectrum Aeromed

PMA PQ2435CE. Approved as a replacement for Modification Part on Agusta S.P.A.. AW139 (Pivot Track, Full Width) · Current, Oct 2016. · in stock here Leading Edge Group, LLC, quote

The OEM numbers it replaces, and who sells those here

400-1211 seller here
MODIFICATIONPARTno listing here yet
MODIFICATIONPARTSno listing here yet

2 FAA-PMA replacement parts on file for 4001212 in stock here

400-121 Msp Aviation Inc.· Boeing 727-200· Switch Guard· Current, Jan 2016· in stock here Leading Edge Group, LLC, quote
400-121 Msp Aviation Inc.· Boeing 747-300, 747-400, 747-400D, 747-8, 747SR· Switch Guard· Current, Jan 2016· in stock here Leading Edge Group, LLC, quote

A PMA part is approved for the specific eligibility listed on its FAA record; whether it may be installed on a particular aircraft, engine or component is the installer's determination. This page states the FAA record and the listings on PartsAndPlanes.