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Screw Thread Insert NSN 5325-01-218-1617

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 5325-01-218-1617 NSN: 5325-01-218-1617

Features and Characteristics

Thread Class
3b
Length
Between 0.240 inches and 0.260 inches
Insert Size
0.216-28 unf 3a
Thready Qty Per Inch (tpi)
32
Thread Size
0.164 inches
Material
Iron alloy 660
Material Specification
Ams 5734 assn standard single material response
Precious Material And Location
External surfaces silver
Precious Material
Silver
Surface Treatment
Silver
Surface Treatment Specification
Qq-s-365, type 2, grade b federal specification single treatment response
Style Designator
Serrated
Thread Series Designator
Unc
FSC
5325 Fastening Devices
NIIN
012181617
NSN
5325012181617

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M45932/1-8C
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MIL-I-45932/1
Cage Code:
81349
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 5325-01-218-1617
What are the manufacturers of nsn 5325012181617?
Does this nsn 5325012181617 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5325012181617
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 5325012181617 contain any precious metals?
Item contains silver.
Does nsn 5325012181617 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5325012181617?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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