Model: RT253-65-341

O-ring

Properties:

Outside Diameter

Between 3.861 inches and 3.929 inches

Cross-sectional Height

Between 0.205 inches and 0.215 inches

Center Hole Diameter

Between 3.460 inches and 3.490 inches

Material

Rubber butadiene-acrylonitrile class nbr

NSN

5331-00-251-9372

Part Number

RT253-65-341

Description

O-ring

CAGE

77969

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

Part RT253-65-341 NSN 5331-00-251-9372

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

47946

FIIG:

A510X0

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:

596

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5331-00-251-9372 is a component of

Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
C-2a (reprocured) Aircraft
Spruance Class Dd (963)
Usns Henry J. Kaiser Class Tao
Fire Fighting Equipment
Purifiers
Strategic Sealift Conversion Ships Class
Eh-60a Electronic Countermeasures Helicopter
Oh-58d Helicopter Observation (ahip)
000584936
Flight Refueling Probe Receptacle Assembly
000784578
Flight Refueling Probe Receptacle Assembly
001195782
Flight Refueling Probe Receptacle Assembly
000432926
Test Adapter Kit
010105545
Flight Refueling Probe Receptacle Assembly
007982984
Fuel Control System Components Test Station
008478210
Flight Refueling Probe Receptacle Assembly

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Schedule B and Export

Schedule B: 4016930000
SITC: 62999
End Use: Industrial rubber products
NAICS: 339991
USDA: 1

Freight Class: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber