NSN 5306-00-180-0372 NIIN 001800372 — Close Tolerance Bolt

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NSN
Item Name
Assigned
DEMIL
Shelf Life
UOM
Using Services
NSN:
5306-00-180-0372
5306001800372
Description:
BOLT,CLOSE TOLERANCE
NSN Assigned:
01-JAN-63
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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AS9120 Certified by SAI Global

5306-00-180-0372 Specification Set by the OEM (see RNCC code 3)

Thread Class AAJD:

3a

Thread Direction AAJF:

RIGHT-Hand

Thread Length AASA:

0.657in. ⁓43/64"

Fastener Length AASB:

3.969in. ⁓3-31/32"

Head Style AASK:

hexagon

Head Height AASU:

0.234in. and 0.266in. ⁓17/64"

Width Between Flats AATB:

0.615in. and 0.627in.

Grip Diameter AAUR:

0.4362in. and 0.4367in.

Shank Unthreaded Hole Diameter AAWB:

0.106in. first hole

Nominal Thread Diameter AHYM:

0.437in. ⁓7/16"

Grip Length ANEE:

3.312in.

Thread Quantity Per Inch CMLP:

20

Minimum Tensile Strength CQBC:

125000 pounds per square inch

Hardness Rating CQFM:

26.0 rockwell c and 32.0 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center CRZS:

3.796in. first hole

Surface Finish CSYM:

63.0 microinches grip

Material MATT:

steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4140 or steel comp 4130 or steel comp 4037

Material Document And Classification MDCL:

MIL-S-6049 mil spec 1st material response or MIL-S-6050 mil spec 2nd material response or MIL-S-6098 mil spec 3rd material response or MIL-S-5626 mil spec 4th material response or MIL-S-6758 mil spec 5th material response or ams 6300 assn std 6th material response

Surface Treatment SFTT:

cadmium and chromate

Surface Treatment Document And Classification STDC:

QQ-P-416 type 2 class 3 fed spec all treatment responses

Thread Series Designator THSD:

unf

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:
AN177-37
Cage Code:
88044
RNCC:
2
RNVC:
2
DAC:
X
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
B6812
Cage Code:
81349
RNCC:
4
RNVC:
1
DAC:
X
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
402 437
Cage Code:
77294
RNCC:
5
RNVC:
2
DAC:
5
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:
27851
FIIG:
A003B0
Concept No.:
App. Key:
BC
Cond. Code:
1
Status:
A
HEAD STYLE HEXAGON style nsn 5306-00-180-0372

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

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

5306-00-180-0372 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.