NSN 5305-01-263-1683 NIIN 012631683 — Close Tolerance Screw

NSN
Item Name
Assigned
DEMIL
Shelf Life
UOM
Using Services
NSN:
5305-01-263-1683
5305012631683
Description:
SCREW,CLOSE TOLERANCE
NSN Assigned:
10-SEP-87
DEMIL:
NO
Shelf Life:
N/A
UOM:
--
Using Services:
--

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Quality Commitment

Serving our customers with quality and safety first.

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  •   Audited supply chain
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  •   HAZMAT Certified
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  •   Every product 100% inspected
AS9120 Certified by SAI Global

5305-01-263-1683 Specification Set by the OEM (see RNCC code 3)

Thread Class AAJD:

3a

Thread Direction AAJF:

RIGHT-Hand

Thread Length AASA:

0.323in. ⁓21/64"

Fastener Length AASB:

0.496in. and 0.526in. ⁓17/32"

Head Style AASK:

pan no. 2

Head Diameter AASL:

0.303in.

Head Height AASU:

0.040in. ⁓3/64"

Grip Diameter AAUR:

0.1881in. and 0.1887in.

Single Shear Strength AAWU:

95000 pounds per square inch

Internal Drive Style ABQZ:

TRI-Wing recess

Nominal Thread Diameter AHYM:

0.190in. (UTS #10)

Grip Length ANEE:

0.178in. and 0.198in.

Thread Quantity Per Inch CMLP:

32

Minimum Tensile Strength CQBC:

160000 pounds per square inch

Material MATT:

steel comp 4340 or steel comp 8740

Material Document And Classification MDCL:

MIL-S-5000 assn std single material response or MIL-S-6049 assn std single material response or AMS6322 assn std single material response

Surface Treatment SFTT:

cadmium

Surface Treatment Document And Classification STDC:

QQ-P-416, ty 11, cl 2 assn std single treatment response

Thread Series Designator THSD:

unjf

Specification/standard Data ZZZK:

80205-NAS4703-3 professional/industrial association specification

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:
NAS4703-3
Cage Code:
80205
RNCC:
3
RNVC:
2
DAC:
2
RNAAC:
9Z
Status:
A
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:
SS
Cond. Code:
1
Status:
A
HEAD STYLE PAN NO. 2 style nsn 5305-01-263-1683
INTERNAL DRIVE STYLE TRI-WING RECESS style nsn 5305-01-263-1683

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.

5305-01-263-1683 Material Hazmat, Precious Metals, Criticality, Enviroment, and ESD

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
ADPE:
CRITL:
X
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.