Model: BLT1631

Shoulder Screw

Properties:

Thread Direction
Right-hand
Thread Length
0.362 inches
Fastener Length
Between 0.440 inches and 0.460 inches
Head Style
Flat chamfer
Head Diameter
Between 0.290 inches and 0.310 inches
Head Height
Between 0.055 inches and 0.065 inches
Shoulder Diameter
0.186 inches first shoulder and 0.189 inches first shoulder
Shoulder Length
0.073 inches first shoulder and 0.088 inches first shoulder
Internal Drive Style
Slot
Thread Diameter
0.187 inches
Nonstandard Thread Pitch Diameter
+0.1643/+0.1667 inches
Thready Qty Per Inch (tpi)
32
Hardness Rating
286.0 brinell standard and 319.0 brinell standard
Shoulder Shape
Round first shoulder
Material
Stainless steel
Material Specification
Ems 72614 fscm 73342 mfr ref single material response or ems 72620 fscm 73342 mfr ref single material response
Precious Material And Location
External surface silver
Precious Material
Silver
Surface Treatment
Silver
Surface Treatment Specification
Ams 2410 assn standard single treatment response
Thread Series Designator
Uns
NSN
5305-00-869-4467
Part Number
BLT1631
Description
Screw,shoulder
CAGE
K0680

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.

Part BLT1631 NSN 5305-00-869-4467

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22846
FIIG:
A003B0
Concept No.:
App. Key:
SL
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:
S
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:
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:
096660
UFC:
50620
LTL:
100.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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