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STD288-8 — Technical Data Sheet

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— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PLUG ASSEMBLY,SEALING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, overall_diameter: 0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN, special_features: 0.238 IN. MIN 0.252 IN.

MAX O/A LG, 0.118 IN. DIA LARGE END TAPERED PIN IN, material_document_and_classification: ASTM A582, TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5340-00-868-7173, 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
STD288-8
NSN: 5340-00-868-7173
FSC: 5340
CAGE: U4271 — ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED (GBR)
SPECIFICATIONS
materialSTEEL COMP 416
overall_diameter0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
special_features0.238 IN. MIN 0.252 IN. MAX O/A LG, 0.118 IN. DIA LARGE END TAPERED PIN IN
material_document_and_classificationASTM A582, TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-868-7173
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: STD288-8 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582, TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE
•
OVERALL DIAMETER: 0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 416
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES0.238 IN. MIN 0.252 IN. MAX O/A LG, 0.118 IN. DIA LARGE END TAPERED PIN IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582, TYPE 416 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL DIAMETER0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
MATERIALSTEEL COMP 416
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
17246InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
EC150InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5234InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4730PL0719663InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS18280InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS21916-6-4CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is STD288-8?
STD288-8 is a PLUG ASSEMBLY,SEALING.
What parts can replace STD288-8?
There are 20 known substitutes for STD288-8: 17246, EC150, 5234 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for STD288-8?
STD288-8 is cataloged in the Federal Logistics Information System under NSN 5340-00-868-7173. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026