3-51263-3 — SEAL,PLAIN ENCASED

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

3-51263-3: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING CASE, case_style: SQUARE, seal_width: 0.437 INCHES NOMINAL IN, fsc_application_data: GEAR BOX,ACCESSORY DRIVE, housing_bore_diameter: 1.878 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-985-2297, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

3-51263-3

NSN: 5330-00-985-2297
FSC: 5330 — Packing and Gasket Materials
CAGE: 79U29 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING CASE
case_style	SQUARE
seal_width	0.437 INCHES NOMINAL IN
fsc_application_data	GEAR BOX,ACCESSORY DRIVE
housing_bore_diameter	1.878 INCHES NOMINAL IN
sealing_element_style	ANGULAR
accommodated_shaft_diameter	1.090 INCHES MAXIMUM IN
accommodated_shaft_maximum_rated_speed	2000 FEET PER MINUTE FT
NSN	5330-00-985-2297

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: GEAR BOX,ACCESSORY DRIVE

•

SEAL WIDTH: 0.437 INCHES NOMINAL IN

•

SEALING ELEMENT STYLE: ANGULAR

•

HOUSING BORE DIAMETER: 1.878 INCHES NOMINAL IN

•

ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT

•

CASE STYLE: SQUARE

•

ACCOMMODATED SHAFT DIAMETER: 1.090 INCHES MAXIMUM IN

•

TEST DATA DOCUMENT: 76823-C3-51263 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)

TECHNICAL CHARACTERISTICS

FSC APPLICATION DATA	GEAR BOX,ACCESSORY DRIVE
SEAL WIDTH	0.437 INCHES NOMINAL IN
SEALING ELEMENT STYLE	ANGULAR
HOUSING BORE DIAMETER	1.878 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED	2000 FEET PER MINUTE FT
CASE STYLE	SQUARE
ACCOMMODATED SHAFT DIAMETER	1.090 INCHES MAXIMUM IN
TEST DATA DOCUMENT	76823-C3-51263 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
MATERIAL	STEEL CORROSION RESISTING CASE
MATERIAL	RUBBER SYNTHETIC SEALING ELEMENT

SUBSTITUTES & CROSS-REFERENCES 4

50236JReference document

Same NSN cross-reference

Reference document — Secondary reference

S-15837-7054 LPD H5/L16Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

15837 H5/L16Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

3-51263-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 3-51263-3?

3-51263-3 is a SEAL,PLAIN ENCASED.

What parts can replace 3-51263-3?

There are 4 known substitutes for 3-51263-3: 50236J, S-15837-7054 LPD H5/L16, 15837 H5/L16 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 3-51263-3?

3-51263-3 is cataloged in the U.S. Government catalog under NSN 5330-00-985-2297. This indicates validated use in U.S. government and defense supply chains.

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