291P — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

291P: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include material: NICKEL ALLOY, body_inside_diameter: 5.095 INCHES NOMINAL IN, body_outside_diameter: 5.623 INCHES NOMINAL IN, distance_between_flanges: 0.505 INCHES NOMINAL IN, left_side_flange_thickness: 0.250 INCHES NOMINAL IN, internal_flange_inside_diameter: 4.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-200-0155, 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

291P

NSN: 2805-00-200-0155
NIINs: 002000155, 003988065
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 92947 — ERTEL MFG CORP (USA)

SPECIFICATIONS

material	NICKEL ALLOY
body_inside_diameter	5.095 INCHES NOMINAL IN
body_outside_diameter	5.623 INCHES NOMINAL IN
distance_between_flanges	0.505 INCHES NOMINAL IN
left_side_flange_thickness	0.250 INCHES NOMINAL IN
internal_flange_inside_diameter	4.125 INCHES NOMINAL IN
internal_flange_outside_diameter	4.640 INCHES NOMINAL IN
largest_external_anchor_flange_radius	3.031 INCHES NOMINAL IN
NSN	2805-00-200-0155

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 7

ABGA1153PReference document

Same NSN cross-reference

Reference document — Secondary reference

827PReference document

Same NSN cross-reference

Reference document — Secondary reference

DB190A1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

WE208Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

DB190Reference document

Same NSN cross-reference

Reference document — Secondary reference

69475C1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 291P?

291P is a PISTON,INTERNAL COMBUSTION ENGIN.

What parts can replace 291P?

There are 7 known substitutes for 291P: ABGA1153P, 827P, DB190A1 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 291P?

291P is cataloged in the U.S. Government catalog under NSN 2805-00-200-0155. This indicates validated use in U.S. government and defense supply chains.

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291P — PISTON,INTERNAL COMBUSTION ENGIN

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