NSN 5305-01-110-1900 NIIN 011101900 — Close Tolerance Screw

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NSN

Item Name

Assigned

DEMIL

Shelf Life

UOM

Using Services

NSN:

		5305-01-110-1900
5305011101900

Description:

SCREW,CLOSE TOLERANCE

NSN Assigned:

27-MAR-81

DEMIL:

Shelf Life:

N/A

UOM:

Using Services:

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Quality Commitment

Serving our customers with quality and safety first.

AS9120 Certified
Audited supply chain
ITAR Registered
DDTC Registered
HAZMAT Certified
Customer service objectives
Every product 100% inspected

5305-01-110-1900 Specification Set by the OEM (see RNCC code 3)

Thread Class AAJD:

Thread Direction AAJF:

RIGHT-Hand

Thread Length AASA:

0.476in. and 0.526in. ⁓17/32"

Fastener Length AASB:

1.048in. and 1.078in. ⁓1-5/64"

Head Style AASK:

flat countersunk

Head Diameter AASL:

0.429in. and 0.479in.

Grip Diameter AAUR:

0.3110in. and 0.3120in.

Internal Drive Style ABQZ:

offset cruciform (torque set)

Nominal Thread Diameter AHYM:

0.312in. ⁓5/16"

Grip Length ANEE:

0.552in. and 0.572in.

Thread Quantity Per Inch CMLP:

Minimum Tensile Strength CQBC:

160000 pounds per square inch

Hardness Rating CQFM:

36.0 rockwell c and 40.0 rockwell c

Countersink Angle CRSQ:

99.0 degrees and 101.0 degrees

Surface Finish CSYM:

32.0 microinches threads

Material MATT:

steel comp E4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150

Surface Treatment SFTT:

cadmium and chromate

Surface Treatment Document And Classification STDC:

QQ-P-416, type 2, class 2 fed spec single treatment response

Thread Series Designator THSD:

unjf

Specification/standard Data ZZZK:

80205-NAS1581 professional/industrial association standard

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number

Cage

RNCC

RNVC

DAC

RNAAC

Status

MSDS

SADC

Part Number:

NAS1581A5T9

Cage Code:

80205

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29294

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

HEAD STYLE FLAT COUNTERSUNK style nsn 5305-01-110-1900

INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET) style nsn 5305-01-110-1900

Definition Definition of approved item name (AIN): "SCREW,CLOSE TOLERANCE"

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.

Packaging & Dimensions Packaging instructions, special markings, and approx. weight/dims

Pack Size

Pack Weight

Item Weight

Item Dim.

Pack Size:

Paclk Weight:

0.0000lbs

Item Weight:

Item Dim:

Container

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

LVL C

Container:

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

LVL_C:

Packaging Codes

OPI: Optional Procedure Indicator Code. A one position alpha code that indicates the allowable deviations from the prescribed requirements.

SPI No.: Special packaging instructions number.

LVL A/B/C: Indicates the type of shipping container required for level A, B, or C maximum packing protection.

SPC Mkg: A two position code that identifies the special markings applied to the container, which is part of the total pack to protect the contained item during preservation, packing, storage, transit and removal from the pack.

5305-01-110-1900 Material Hazmat, Precious Metals, Criticality, Enviroment, and ESD

HMIC

PMIC

ESD

ENAC

ADPE

CRITL

HMIC:

PMIC:

ESD:

ADPE:

CRITL:

Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) A

Item does not contain precious metal.

ADPE 0

Represents items with no adp components

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Identification Codes

HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.

PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.

ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.

ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.

CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.