BLACKMER PARTS LIST
961902
Page 1 of 2
PARTS LIST
103-A05
PUMP MODEL: NP4F
Section  103
Effective  Sept 2007
 
See Instructions 103-A00 for Installation, Operation and Maintenance
Replaces  July 2007
 
 
Ref.
No.
Description
Parts
per
Pump
Part No.
Ref.
No.
Description
Parts
per
Pump
Part No.
1     Cap - Relief Valve (R/V)
1
413952
20     Head & Bushing Asy. - Inboard
1
031976
Adjusting Screw - R/V (Std.)
436307
20A    Head & Bushing Asy.  Inboard (Jacket)
1
031972
2
Adjusting Screw - R/V
1
 
1
436311
21     Capscrews - Head
24
920532
3     Locknut - Adjusting Screw
1
436355
23     Head & Bushing Asy. - Outboard
1
031977
Cover - R/V (Std.)
411968
23A    Head & Bushing Asy.  Outboard (Jacket)
1
031973
4
Cover - R/V
1
 
1
411969
24     Sleeve Bearing
2
5
161900
5     Capscrew - R/V Cover (Std.)
6
920351
26     O-Ring - Bearing Cover (FKM) (Std.)
1
5
702222
 
Capscrew - R/V Cover
1
 
 
920421
 
O-Ring - Bearing Cover (PTFE)
 
702225
7     Spring Guide - R/V
1
426355
27     Bearing Cover
1
041900
8     Spring - R/V (51-75 psi)
1
476310
28     Capscrews - Bearing Cover
4
920611
 
Spring - R/V (76-150 psi)
 
476305
29     Pipe Plug Asy.
 
 (SAE # 6) (FKM )(Std.)
1
908212
 
SS Spring - R/V (151-200 psi)
1
 
 
476969
 
Pipe Plug Asy.
 
(SAE # 6)
 
(PTFE )
 
908213
9     Valve - R/V (Std.)
1
456315
35     Key - Shaft
1
5
909191
 
Valve - R/V (Nickel Plated)
 
456300
42
4
Flange - 4" NPT (Std.)
2
651900
10    O-Ring - R/V Cover (FKM) (Std.)
1
5
702229
 
Flange  4 Weld
 
651906
 
O-Ring - R/V Cover (PTFE)
 
702230
42A    Gasket - NPT Flange (Comp.) (Std.)
2
5
381904
12    Cylinder (Std.)
1
021906
42B    Capscrew
16
920532
 
Cylinder w/ SAE Drain (Ductile Iron)
 
021911
42C    O-Ring  Flange (FKM)
0 - 2
702238
13    Rotor & Shaft, Open Rotor (Shown)
1
261968
 
O-Ring - Flange (PTFE)
 
702239
 
Rotor & Shaft, Closed Rotor (Optional)
 
261980
72     O-Ring - Head (FKM) (Std.)
2
5
702128
14    Vane - Duravane (Std.)
2
6
5
091924
 
O-Ring - Head (PTFE)
 
702129
 
Vane - EC Laminate
 
091931
73     Gage Plug
2
908198
 
Vane - EC Cast Iron
 
091952
77     Push Rods
3
5
121905
 
Vane - EC Bronze
 
091953
88     Gasket  R/V Cap
1
5, 6
533909
EC = Extra Clearance SS = Stainless Steel
     Kit  Maintenance

898932
1
 
High Pressure Relief Valve parts must be used as a group (includes p/n's 436311, 411969, 920421, and 476969) (ref 2, 4, 5 & 8).
2 
150 psi maximum for Duravanes
4 
See back page for Flange Options.
5
 Included in Maintenance Kit
6
 R/V Caps on earlier pumps used an O-ring; the 533909 Gasket may be used with the O-Ring type R/V Caps..