ST3M557-3-20

Close Tolerance Screw

NSN 5305-01-521-9549

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
100 EA
NIIN:
015219549

Detail Specifications

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.406 inches
Fastener Length:
1.531 inches
Head Style:
Oval countersunk
Head Diameter:
Between 0.2966 inches and 0.3016 inches
Grip Diameter:
Between 0.1890 inches and 0.1895 inches
Internal Drive Style:
High-torque
End Application:
Fuselage
Thread Diameter:
0.190 inches
Grip Length:
1.125 inches
Thready Qty Per Inch (tpi):
32
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Part Name Assigned By Controlling Agency:
Screw-close tolerance, 100 degree countersunk, reduced head, hi-torque, nonmagnetic cres (125 ksi fsu)
Material:
Nickel alloy 718
Material Specification:
Ams 5662 assn standard single material response
Surface Treatment:
Passivate
Surface Treatment Specification:
Qq-p-35 federal specification single treatment response
Thread Series Designator:
Unjf
NSN:
5305-01-521-9549
Item Name:
Screw,machine,flat-head,close Tolerance
Cage Code:
007R1

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
ST3M557-3-20
Cage Code:
76301
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
06725
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
06710
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
HT4027-3-20
Cage Code:
06950
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
0K6Z0
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
0ZC92
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
17446
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
1VSL7
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
27624
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
4WL75
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
58998
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
HT4027-3-20
Cage Code:
56878
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
11923-3-20
Cage Code:
59563
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
59563
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
60516
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
73197
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
80539
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557-3-20
Cage Code:
U6683
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST3M557
Cage Code:
76301
RNCC:
D
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
Concept No.:
App. Key:
SS
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:
A
ESD:
ESD:
MMAC:
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:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096640
UFC:
50600
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Close Tolerance Flat-head Machine Screw"

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
Import / Export
  • Schedule B: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Classification: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)


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