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Flared Tube Fitting Conical Seal

NSN: 4730-00-428-0988 | Model: 307956-12

A cylindrical soft metallic crush item used to seal high pressure flared tube connections. It is designed to be inserted between the conical surface of a flared tube fitting and the inner surface of the flared end of the connecting tube.

NSN Properties and Flags
NATO Stock Number
4730-00-428-0988
DEMIL
NO
Wall Thickness
0.029 inches
Casehardening Indicator
Not casehardened
Overall Length
Between 0.277 inches and 0.325 inches
Outside Diameter
0.972 inches
Body Length
0.125 inches
Seat Angle In Deg
37.0
Hose/tube Outside Diameter For Which Designed
0.750 inches
Material
Copper alloy, qq-c-576, soft annealed
Material
Copper alloy
Style Designator
Seal
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7M319T8269 2019-04-22 PMCM4 250 EA
SPE7M117T5433 2017-01-09 PMCMK 217 EA

Inventory Check

The last inventory check on this NSN was done on 04/24/2024. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 105
  • New: 57

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 4730-00-428-0988 Datasheet

Supply Class (FSC):
Railing Fittings Lubrication Tube Pipe Hose
Cross Reference:
  • 307956-12
  • AP50C12
Cage Codes:
  • Teledyne Technologies Inc (CAGE 03104)
  • Sps Technologies, Llc (CAGE 01673)
Replacements:
  • 4730-00-428-0988 replaces 4730-00-182-4072
Identification:
HMIC

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

PMIC

U - Precious metal content is unknown

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:

    052185 - Pipe, tubing, or pipe or tubing fit

  • WCC:

    576 - Metal and metal products, nos, (less than 35 feet)

  • 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

  • LCL:

    P - 77.5

  • LTL:

    W - Rating variable

  • SHC:

    Z - Other or no special handling required (sh)

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Y
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9ni-n
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $14.66 to $24.44..
Does NSN 4730-00-428-0988 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, Poland, Australia, and Turkey
What is the NIIN of NSN 4730-00-428-0988?
004280988 or 00-428-0988
Does NSN 4730-00-428-0988 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-428-0988?
Solicitation SPE7M319T8269 for qty 250 on 04/10/2019
When was this national stock number assigned to the federal catalog?
Apr 19, 1971