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Screw Thread Insert NSN 5325-01-644-5956

Item Description

A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes items having a sleeve on its underportion which can be clinched or crimped. Excludes bushing, machine thread; nut, plain, knurled; nut, plain, round; nut, plain, clinch and nut, self-locking, clinch. See also nut, plain, plate.

NSN 5325-01-644-5956 NSN: 5325-01-644-5956

  Stock Availability

NSN 5325016445956 availability
(as of 11/03/2023).

  • NE: 5263
  • NS: 240
  • SV: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.235 inches and 0.265 inches
Length
Between 0.235 inches and 0.265 inches
End Application
C5m flap brak
Insert Size
.2500-20unc-2a
Internal Thread Relief Depth
Between 0.060 inches and 0.080 inches
Full Internal Thread Length
0.180 inches
Thready Qty Per Inch (tpi)
20
Thread Size
0.2500 inches
Special Features
Has .1640-32unjc-3b internal threading.
Material
Steel comp 303
Material Specification
Ams5640, type 1 assn standard 1st material response or astm a582/582m assn standard 1st material response or ams5640, type 2 assn standard 2nd material response or ams5738 assn standard 2nd material response or astm a582/582m assn standard 2nd material response
Style Designator
Keylock
Thread Series Designator
Unc
FSC
5325 Fastening Devices
NIIN
016445956
NSN
5325016445956

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1394C08L
Cage Code:
80205
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9606100000
  • NAICS: 339993
  • SITC: 89983
  • Description: Press-fasteners, snap-fasteners & press-studs & parts therefor
  • End Use (Code 12640):
    Finished textile supplies

Q & A

Frequently asked questions for NSN 5325-01-644-5956
What are the manufacturers of nsn 5325016445956?
Does this nsn 5325016445956 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5325016445956
A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. it is designed to be inserted in a drilled or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. it is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). the internal thread of the item may have a locking feature. excludes items having a sleeve on its underportion which can be clinched or crimped. excludes bushing, machine thread; nut, plain, knurled; nut, plain, round; nut, plain, clinch and nut, self-locking, clinch. see also nut, plain, plate.
Does nsn 5325016445956 contain any precious metals?
No precious metal content.
Does nsn 5325016445956 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5325016445956?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
11444
FIIG:
A03100
App. Key:
AP
Cond. Code:
1
Status:
A

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