Model: 2640-857X1PIECE

Packing Retainer

Properties:

Cross Sectional Shape

Square

Cross-sectional Thickness

Between 0.025 inches and 0.029 inches

Cross-sectional Height

Between 0.075 inches and 0.087 inches

Distance Between Ends

Between 0.047 inches and 0.093 inches

Center Hole Diameter

1.250 inches

Peripheral Diameter

Between 1.490 inches and 1.494 inches

Joint Type

Scarf-butt retainer

Angle

Between 25.0 degrees and 35.0 degrees

Material

Plastic tetrafluoroethylene

Material Specification

Sae-as8791 national specification single material response

NSN

5330-00-171-6758

Part Number

2640-857X1PIECE

Description

Retainer,packing

CAGE

96169

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.

Part 2640-857X1PIECE NSN 5330-00-171-6758

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13706

FIIG:

A032A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

772

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5330-00-171-6758 is a component of

Main Feed Pumps
B-1 Aircraft Support Equipment
Aircraft Elevators
Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
Mk 26 (gmls) Guided Missile Launching System
Ec-135h/k/p) Aircraft Tf33-pw-102 (c-135e Engine
B-52h) Aircraft Tf33-p-3/5/9 (c/ec-135 Engine
Tf-33-p-7 (c-141a/b) Aircraft Engine
Deep Submergence Systems Programs (dssp)
004712558
Linear Actuating Cylinder Assembly
005918508
Landing Gear Drag Link
010114677
Linear Actuating Cylinder Assembly
011433294
Landing Gear Drag Brace
005701054
Aircraft Nosewheel Steering Unit
010639477
Fluid Pressure Dampener
011431154
Landing Gear Cylinder And Piston Assembly

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Schedule B and Export

Schedule B: 3926904500
SITC: 89399
End Use: Other industrial supplies
NAICS: 339991
USDA: 1

Freight Class: Gaskets,washers & other seals