Brother EF4-N21 Manual page 25

Gauge parts list
Application
5 Threads
−2 S
61
Sub-class
−3 S
S=Standard
−4 S
H=High-lift
−5 S
E=Extra high-lift
(mm)
Needle gauge
1. Needle (Q'ty)
2. Presser foot assy
(Presser foot .F)
3.
Needle clamp assy
4. Needle plate
5.
Main feed dog assy
(Main Feed dog)
(Chain feed dog)
6.
Differential feed dog
7. Upper knife
8. Lower knife
9. Over looper
S20422−001
A
Thin
4 Threads (For small type)
−2 S
62 61
−3 S
−4 S
−5 S
2
151474−011 (2)
S30586-001 (3,4)
S19304−101
Stitch tongue
(S19312-001)
S30588-001
S30592-001 (5)
Stitch tongue
S30593-001
S29146−001
S25194−001 (2)
S25195−001 (3)
S19174−001 (4)
S19175−001 (5)
S19221−201
(S19222-201)
(S33172-001)
L
S19245−001
S20899−001 (2)
T = 1.0
S20582−001 (3,4,5)
T = 1.5
S20421−001 S20422−001
L
5 Threads
−3 (B) −3 S
63
−4 (B) −4 S
−5 (B) −5 S
−6 H
−7 H
S19313−201
(S30971-001)
S20234−001 (3)
S20235−001 (4)
S20236−001 (5)
S35651−001 (6)
S25196−001 (7)
S20241−101
(S20242-101)
(S20243-101)
S20245−001
144074−350
S20899−001 (3)
S20582−001
(4,5,6,7)
T = 1.5
S20424−001 (3,4,5)
B S20428−001
A
(6,7) C
EF4-N11, V41A, N21, V51A, MA4-N31, V61A 25/31
2001.9
[Models MA4-N31, V61A]
Thin Medium
4 Threads (For small type)
−3 S
64 63
−4 S
−5 S
−6 H
−7 H
3
151474−014 (2)
S30594-001 (3,4)
Stitch tongue
S30588-001
S30597-001 (5)
Stitch tongue
S30593-001
S20404−001
S19176−001 (3)
S19177−001 (4)
S19178−001 (5)
S19221−201
(S19222-201)
(S33172-001)
H L
S19245−001
S20899−001 (2)
T = 1.0
S20582−001 (3,4,5)
T = 1.5
S20423−001
(3,4,5) M S20424−001
S20421−001 B
(6,7) L
−3 (C)
−4 (C)
−5 (C)