Model: 278-107A

Machine Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.289 inches and 0.453 inches
Fastener Length
Between 0.844 inches and 0.906 inches
Head Style
Round extended washer
Head Diameter
Between 0.427 inches and 0.447 inches
Head Height
Between 0.096 inches and 0.106 inches
Extended Washer Diameter
Between 0.490 inches and 0.510 inches
Extended Washer Thickness
Between 0.028 inches and 0.033 inches
Internal Drive Style
Slot
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
125000 pounds per square inch
Screw Material
Steel comp 8630 or steel comp 4037
Screw Material Specification
Mil-s-6050 military specification 1st material response or ams 6300 assn standard 2nd material response
Screw Surface Treatment
Cadmium or zinc
Screw Surface Treatment Specification
Qq-p-416 federal specification 1st treatment response or qq-z-325 federal specification 2nd treatment response
Thread Series Designator
Unf
NSN
5305-00-167-3636
Part Number
278-107A
Description
Screw,machine
CAGE
56705

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part 278-107A NSN 5305-00-167-3636

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
Concept No.:
App. Key:
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:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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

Pricing & Availability Check

Submit this form for stock availability and pricing.
Part Number:
Quantity:
Email Address:
Phone Number:
Your Name:
Company:



Privacy Policy    Terms & Conditions

How to Order  

Ordering from buyaircraftparts.com

If you would like to order this machine screw (NSN 5305-00-167-3636) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours: 08:00-18:00 Eastern Standard Time
Phone: +1 470-231-0824
Email: Contact Form »
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

Highest Rated Parts
Recently Purchased Parts
Hot Parts