BK57H

Groove Pulley

NSN 3020-00-417-2480

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
004172480

Product Features

Busing included

Technical Specifications of NSN

Groove Depth:
0.640 inches
Groove Width:
0.656 inches
Outside Diameter:
5.450 inches
Bore Diameter:
0.750 inches
Bore Length:
1.250 inches
V Groove Angle In Deg:
18.0
Pitch Diameter:
4.700 inches
Material And Location:
Steel
Face Width:
0.875 inches
Design Form:
Plain
Bore Type:
Straight
Bearings:
Not included
Groove Quantity:
1
Counterbore Feature:
Not included
Keying Facility:
Not included
Split Hub Feature:
Not included
Lightening Hole:
Not included
Integral Cooling Vane:
Not included
Groove Shape:
V
Standard V-belt Section Designation For Which Designed:
4l
Bore Feature:
Included
Hub End Outside Diameter And Location:
3.090 inches both ends
Style Designator:
Webbed or spoked
NSN:
3020-00-417-2480
Item Name:
Sheave,boom Head
Cage Code:
71176

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
BK57H & H 3/4
Cage Code:
71176
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
KU4-1-5
Cage Code:
98437
RNCC:
7
RNVC:
2
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
BK57H-HX3/4
Cage Code:
71176
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
BG57D-DX3/4
Cage Code:
76474
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08109
FIIG:
T353-A
Concept No.:
1
App. Key:
AA
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127320
UFC:
64560
LTL:
70.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Boom Head Sheave"

A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see block, tackle. for items specifically designed for aviation, see pulley(1), groove, aviation.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
User:
U.S. POSTAL SERVICE - PROCUREMENT AND SUPPLIES DEPARTMENT U.s. Postal Service - Procurement and Supplies Dept.
DSOR:
Import / Export
  • Schedule B: 8487900080
  • SITC: 74999
  • End Use: Industrial machines, other
  • NAICS: 333999
  • USDA: 1

Classification: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers


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