Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The CYLINDER HEAD,GASOLINE ENGINE is a the manufacturer industrial component. Key specifications include end_item_identification: WATERJET, MARINE, part_name_assigned_by_controlling_agency: BACKHEAD. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System under NSN 5330-00-078-2640, 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
31261-4
NSN:5330-00-078-2640 FSC:5330 CAGE:1UVT5 — BRP US INC (USA)
SPECIFICATIONS
end_item_identification
WATERJET, MARINE
part_name_assigned_by_controlling_agency
BACKHEAD
NSN
5330-00-078-2640
COMPONENT DIAGRAM
KEY FEATURES
•
LARGEST BOLT HOLE DIAMETER: 0.274 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+1161-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES
TWO OVAL HOLES ON FACE
LARGEST BOLT HOLE DIAMETER
0.274 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE
SOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS
0.031 INCHES NOMINAL IN
OVERALL LENGTH
2.656 INCHES NOMINAL IN
OVERALL WIDTH
1.297 INCHES NOMINAL IN
MATERIAL
ASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION
MIL-G-12803,+1161-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
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FREQUENTLY ASKED QUESTIONS
What is 31261-4?
31261-4 is a CYLINDER HEAD,GASOLINE ENGINE.
What parts can replace 31261-4?
There are 8 known substitutes for 31261-4: A-A-843, GGT671-1, 312614 FIND 29 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31261-4?
31261-4 is cataloged in the Federal Logistics Information System under NSN 5330-00-078-2640. This indicates validated use in U.S. government and defense supply chains.
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