Model: RT253-65-142

O-ring

Properties:

Outside Diameter

Between 2.542 inches and 2.594 inches

Cross-sectional Height

Between 0.100 inches and 0.106 inches

Center Hole Diameter

Between 2.352 inches and 2.372 inches

Material

Rubber butadiene-acrylonitrile class nbr

NSN

5331-00-252-6056

Part Number

RT253-65-142

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 RT253-65-142 NSN 5331-00-252-6056

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:

Trailers/Vehicles

End Items End applications NSN 5331-00-252-6056 is a component of

Orion P-3 Aircraft
Ec-135h/k/p) Aircraft Tf33-pw-102 (c-135e Engine
B-52h) Aircraft Tf33-p-3/5/9 (c/ec-135 Engine
Tf33-100 (e3a/b/c) Aircraft Engine
Tf-33-p-7 (c-141a/b) Aircraft Engine
Lamps Mk Iii Helicopter Landing System
Barge Crane Derrick Nsn 1935-01-434-6826 115 Ton
Sof / Hh-53j/m Pave Low Helicopter
Landing Craft Air Cushion (lcac)
A/s32r-11 Refueling Truck
007133144
Gate Valve
006280873
Gate Valve
002328055
Rotary Pump
010776321
Countermeasures Set

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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