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296B — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

296B: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: STEP JOINT, overall_width: 0.2490 INCHES NOMINAL IN, radial_wall_thickness: 0.1850 INCHES NOMINAL IN, standard_bore_diameter: 5.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4310-00-131-2907, 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
296B
NSN: 4310-00-131-2907
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
joint_styleSTEP JOINT
overall_width0.2490 INCHES NOMINAL IN
radial_wall_thickness0.1850 INCHES NOMINAL IN
standard_bore_diameter5.250 INCHES IN
cross-sectional_shape_styleBEVELED FACE SCRAPER, VENTILATED OIL CONTROL
oil_passage_type_and_quantity8 SLOT HORIZONTALLY THROUGH RING
NSN4310-00-131-2907
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 296B MFR RING,PISTON
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: BEVELED FACE SCRAPER, VENTILATED OIL CONTROL
•
JOINT STYLE: STEP JOINT
•
OIL PASSAGE TYPE AND QUANTITY: 8 SLOT HORIZONTALLY THROUGH RING
•
RADIAL WALL THICKNESS: 0.1850 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
STANDARD BORE DIAMETER: 5.250 INCHES IN
•
MATERIAL: IRON OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.2490 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEBEVELED FACE SCRAPER, VENTILATED OIL CONTROL
JOINT STYLESTEP JOINT
OIL PASSAGE TYPE AND QUANTITY8 SLOT HORIZONTALLY THROUGH RING
RADIAL WALL THICKNESS0.1850 INCHES NOMINAL IN
RING STYLECONCENTRIC
STANDARD BORE DIAMETER5.250 INCHES IN
MATERIALIRON OVERALL
OTHER ITEMS IN FSC 4310 — Compressors and Vacuum Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4310-00-000-0050 4310-00-001-0059 4310-00-001-2044 4310-00-001-3477 4310-00-001-3493 4310-00-001-6194 4310-00-001-6381 4310-00-001-7755
SUBSTITUTES & CROSS-REFERENCES 9
116927PC279Reference document
Same NSN cross-reference
Reference document — Secondary reference
116714PC279Reference document
Same NSN cross-reference
Reference document — Secondary reference
107527PC279Reference document
Same NSN cross-reference
Reference document — Secondary reference
111128PC279Reference document
Same NSN cross-reference
Reference document — Secondary reference
117528PC279Reference document
Same NSN cross-reference
Reference document — Secondary reference
107428PC298Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 296B?
296B is a RING,PISTON.
What parts can replace 296B?
There are 9 known substitutes for 296B: 116927PC279, 116714PC279, 107527PC279 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 296B?
296B is cataloged in the U.S. Government catalog under NSN 4310-00-131-2907. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.