Model: 2640-674X1 PIECE NO. 21CP

Packing Retainer

Properties:

Cross Sectional Shape

Square

Cross-sectional Thickness

Between 0.075 inches and 0.087 inches

Cross-sectional Height

Between 0.025 inches and 0.029 inches

Distance Between Ends

Between 0.047 inches and 0.093 inches

Center Hole Diameter

1.500 inches

Peripheral Diameter

Between 1.620 inches and 1.622 inches

Joint Type

Scarf-butt

Cut Type

Rectangular

Angle

Between 25.0 degrees and 35.0 degrees

Criticality Code Justification

Zzzw

Material

Plastic polytetrafluoroethylene

Material Specification

Mil-r-8791 military specification single material response

Departure From Cited Document

Cleaning, packaging, and marking iaw mil-std-1330d

Reference Number Differentiating Characteristics

Cleaned in accorddance with mil-std-1330

NSN

5330-01-071-4634

Part Number

2640-674X1 PIECE NO. 21CP

Description

Retainer,packing

CAGE

03950

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 2640-674X1 PIECE NO. 21CP NSN 5330-01-071-4634

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:

194050

UFC:

78100

LTL:

70.0

LCL:

WCC:

596

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5330-01-071-4634 is a component of

Stratofortress B-52 Aircraft
Stratolifter C/kc-135 Aircraft
Ohio Class Ssbn (trident)
E-3a Awacs Aircraft
Los Angeles Class Ssn (688)
Sturgeon Class Ssn (637)
Seawolf Class Ssn
Level 1 / Subsafe
Ssn-774 Virginia Class Submarine
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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