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Retaining Ring

NSN: 5325-01-331-6407 | Model: M2742620161D
ITAR Registered seal

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by embedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a par (s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes ring, connecting, round.

NSN Properties and Flags
NATO Stock Number
5325-01-331-6407
DEMIL
Yes - ITAR Controlled
Cross Sectional Shape
Double oval
Inside Diameter
Between 3.730 inches and 3.765 inches
Casehardening Indicator
Not casehardened
Outside Diameter
0.269 inches
Major Thickness
Between 0.108 inches and 0.114 inches
Ring Style
Spiral
Usage Design
External
Material Hardness Rating
Between 40.0 Rockwell c and 51.5 Rockwell c
Material
Steel, MIL-S-5059, type 302
Material
Steel comp 302
Material Specification
MIL-S-5059, type 302 military specification single material response
Surface Treatment
Passivate
Surface Treatment
Passivated, QQ-P-35

Pricing and Availability

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NSN 5325-01-331-6407 Datasheet

Supply Class (FSC):
Fastening Devices
Cross Reference:
  • M2742620161D
  • MIL-DTL-27426
  • RSN-387-S
  • WSM-387-S02
  • RSN-387-S
Cage Codes:
  • Military Specifications (CAGE 81349)
  • Spirolox, Inc. (CAGE 80756)
  • Smalley Steel Ring Co. (CAGE 51814)
  • Oldenburg Group Incorporated (CAGE 34712)
Schedule B & Trade:
  • Schedule B: 9606100000 (NAICS 339993)

    Press-fasteners, snap-fasteners & press-studs & parts therefor

  • SITC: 89983

    Press-fasteners, snap-fasteners and press-studs and parts therefor; buttons

  • End Use: 12640

    Finished textile supplies

Identification:
HMIC

N - Indicates there is no data in the humors and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    095190 - Hardware, noi

  • WCC:

    713 - Metal hardware

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    No qup
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    SF9SX-N
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $120.12 to $200.21..
Does NSN 5325-01-331-6407 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Department Of The Navy, and Brazil
What is the NIIN of NSN 5325-01-331-6407?
013316407 or 01-331-6407
Does NSN 5325-01-331-6407 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5325-01-331-6407?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Dec 21, 1990