4910-00-423-6721

Valve Seat Refacing Pilot email this page

Images

Reference images of this national stock number
Reference of NSN 4910-00-423-6721

Model or part number: 21304

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Description

Valve Seat Grinder Centering Tool NSN 4910-00-423-6721.

pdf NSN 4910-00-423-6721 Datasheet

MRC:
Indicates the design type of the item.APGF
Design Type:
Expanding
MRC:
Designates the size of the item.BGBD
Size:
0.3750 inches
MRC:
The length of a straight line which passes through the center of the upper end,and terminates at the circumference.BMDL
Upper End Diameter:
0.375 inches
MRC:
None.BMDP
Expanding Pilot Lower End Length:
3.156 inches
MRC:
None.BMDQ
Expanding Pilot Upper End Length:
1.531 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Counter bored guide
MRC:
--
NIIN:
004236721
MRC:
--
NATO Stock Number:
4910-00-423-6721
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
T182-S
MRC:
--
INC:
11030
MRC:
--
IMM:
AX
Certified products icon

All Products Certified

Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

Quality inspections icon

Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

Quality Commitment »

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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Formal Definition

Government issue definition of NSN 4910-00-423-6721

A device which, when inserted into the bore of a valve guide on an internal combustion engine, serves as a center post for aligning and guiding the grinding stone and/or reamer of a valve seat refacer.

Packaging & Dimensions

MIL-STD codes: http://www.dla.mil/LandandMaritime/.../MILSTD2073Codes.aspx
Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
LVL C
Container:
--
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q
LVL_C:
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
00
MOP:
31
PKG:
16A0
PRES MAT:
00
WRAP MAT:
00
ICQ:
THK:
0
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.

LVL B Code (LVL_B) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.

Procedure Indicator Code (OPI) O

Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. however, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. equal or better protection shall be given the item and there shall be no increase in the package cost.

Special Markings Code (SPC_MKG) 00

No special marking.

Method of Preservation (MOP) 31

Waterproof bag, sealed.

Cushion Material (CUSH) 00

No requirement.

Preservation Material (PRES_MAT) 00

No requirement.

Manufacturers

This NSN is registered to the following cage codes.
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