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Worldwide distributor of NSN parts and consumables located in the USA.

Packing Retainer

Model / MPN: 21726-400 FIND 13 | NSN: 5330-01-351-7973
ITAR Registered seal

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

Product Details
NATO Stock Number
5330-01-351-7973
Sold in multiples of
1 EA
DEMIL
NO
Cross Sectional Shape
Square/rectangular
Cross-sectional Height
Between 0.048 inches and 0.052 inches
Center Hole Diameter
Between 0.437 inches and 0.439 inches
Peripheral Diameter
0.544 inches
Joint Type
Scarf-peripheral both ends cut
Material
Plastic polytetrafluoroethylene
Material Specification
Mil-r-8791/1 military specification single material response
Solicitations
Solicitation Description Qty UOM Close Date
SPE5EM16T0409 Ret Ainer, Packing 11255 EA 10/19/2015
SPE5EM17T3563 Ret Ainer, Packing 10042 EA 01/25/2017
SPE5E319T169S Ret Ainer, Packing 6283 EA 05/09/2019
SPE5E319T203Z Ret Ainer, Packing 15000 EA 05/24/2019

Pricing and Availability

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21726-400 FIND 13 Cross Reference
  • MS8791/1-013
  • AS8791/1
  • 21486-400 FN 8
  • 21090 FIND 26
  • 21727-400 FIND 7
  • 21780-400 FIND 23
  • 21418-400 FIND 15
  • 21471-400 FIND 31
  • 21476-400 FIND 21
  • 21487-400 FIND 20
  • 52125 FN 39
  • M8791/1-013
  • M8791/1-013
  • MIL-R-8791/1
  • 52106 FIND 79