Model: M19-20873 PC NO 279

Hexagon Head Cap Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.000 inches
Fastener Length
1.000 inches
Head Style
Hexagon
Head Height
Between 0.150 inches and 0.163 inches
Width Between Flats
Between 0.428 inches and 0.438 inches
End Application
Mrap-rg-33 armored utility vehicle (auv); mrap - cougar ambulance
End Application
Mrap-rg-33 armored utility vehicle (auv); mrap - cougar ambulance; mrap - m-atv with cs13 pop and sne; mrap - cougar tow; mrap - cougar sabr/tow
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
80000 pounds per square inch
Hardness Rating
80.0 rockwell c
Minimum Yield Strength
30000 pounds per square inch
Material
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
Material Specification
66 federal standard all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
2 type or 10p style
NSN
5305-00-207-8253
Part Number
M19-20873 PC NO 279
Description
Screw,cap,hexagon Head
CAGE

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

Part M19-20873 PC NO 279 NSN 5305-00-207-8253

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18257
FIIG:
A003B0
Concept No.:
App. Key:
SB
Cond. Code:
1
Status:
A

Material Classification

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

End Items End applications NSN 5305-00-207-8253 is a component of

  • B-1 Aircraft Support Equipment
  • An/trq-32 Teammate
  • Fire Pumps
  • Stream (std. Tensioned Replenishment At Sea Method)
  • Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
  • B-1b Aircraft Trainer
  • Mk 75 (gm) Gun Mount
  • Phoenix (aim-54) Air-to-air Missile
  • Sparrow (aim-7) Air-to-air Missile
  • 009375295
  • Radio Teletypewriter Set
  • 011853285
  • Weapon Security Cage
  • 010074788
  • Communication Techn
  • 011900285
  • Reciprocating Compressor Unit
  • 001387782
  • Trailer Mounted Field Kitchen
  • 013132238
  • Trailer Mounted Field Kitchen
  • 011083651
  • Electrical Power Test Set
  • 004435511
  • Radio Teletypewriter Set
  • 004174635
  • Threaded Pin-rivet
  • 005382736
  • Semitrailer Mounted Petroleum Laboratory
  • 005382736
  • Semitrailer Mounted Petroleum Laboratory
  • 013148844
  • Centrifugal Pump Unit
  • 004019720
  • Radio Teletypewriter Set
  • 011587465
  • Air Conditioner
  • 005382736
  • Semitrailer Mounted Petroleum Laboratory
  • 001172868
  • Nonexpandable Shelter
  • 014615150
  • Electronic Systems Test Set
  • 010100787
  • Trailer Mounted Bakery Plant
  • 011202969
  • Battery Charger
  • 010347537
  • Fire Fighting Truck
  • 013043069
  • Nonexpandable Shelter
  • 012486671
  • Power Distribution Panel
  • 012486671
  • Power Distribution Panel
  • 007951797
  • Full Tracked Combat Engineer Vehicle
  • 004019719
  • Radio Teletypewriter Set
  • 007951797
  • Full Tracked Combat Engineer Vehicle
  • 010920470
  • Trailer Mounted Field Kitchen
  • 014207709
  • Electrical Coil Assembly
  • 013697915
  • Manifold Service Un
  • 013697915
  • Manifold Service Un
  • 010920892
  • Nonexpandable Shelter
  • 010784607
  • Countermeasures Set
  • 010784607
  • Countermeasures Set
  • 004896076
  • Nonexpandable Shelter
  • 012141176
  • Trailer Mounted Field Kitchen
  • 004435511
  • Radio Teletypewriter Set
  • 004435511
  • Radio Teletypewriter Set
  • 004435511
  • Radio Teletypewriter Set
  • 000014093
  • Nonexpandable Shelter
  • 002292610
  • Pressurized Protective Entrance
  • 002558683
  • Paint Spray Outfit
  • 013179117
  • Linkage Assembly
  • 009378707
  • Administrative Cont
  • 011556020
  • Trail Field Kitchen
  • 014186654
  • Full Tracked Personnel Carrier
  • 008715475
  • Linkage Assembly
  • 012464646
  • Trailer Mounted Field Kitchen
  • 009994935
  • Nonexpandable Shelter

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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