NSN 5305-00-127-2506 NIIN 001272506 — Cap Socket Head Screw

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NSN

Item Name

Assigned

DEMIL

Shelf Life

UOM

Using Services

NSN:

		5305-00-127-2506
5305001272506

Description:

SCREW,CAP,SOCKET HEAD

NSN Assigned:

05-MAR-75

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

5305-00-127-2506 Specification Set by the OEM (see RNCC code 3)

Thread Class AAJD:

Thread Direction AAJF:

RIGHT-Hand

Thread Length AASA:

0.838in. ⁓27/32"

Fastener Length AASB:

1.000in. ⁓1/64"

Head Style AASK:

flat countersunk

Head Diameter AASL:

0.480in. and 0.531in.

Locking Feature AAUM:

patch threads

Internal Drive Style ABQZ:

hexagon

Nominal Thread Diameter AHYM:

0.250in. ⁓1/4"

Width Across Flats ASDB:

0.156in. ⁓5/32"

Thread Quantity Per Inch CMLP:

Minimum Tensile Strength CQBC:

160000 pounds per square inch

Countersink Angle CRSQ:

81.0 degrees

Material MATT:

steel

Material Document And Classification MDCL:

66 fed std single material response

Thread Series Designator THSD:

unc

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:

16990L4C16

Cage Code:

56878

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:

16282

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

HEAD STYLE FLAT COUNTERSUNK style nsn 5305-00-127-2506

INTERNAL DRIVE STYLE HEXAGON style nsn 5305-00-127-2506

Definition Definition of approved item name (AIN): "SCREW,CAP,SOCKET HEAD"

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

5305-00-127-2506 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) U

Precious metal content is unknown

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.