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Technical Data Sheet
PartsTable / COMPONENT / S269-1
S269-1 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, seat_radius: 0.312 INCHES NOMINAL IN, overall_height: 0.245 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 1.395 INCHES NOMINAL IN, body_outside_diameter: 2.145 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-208-7354, 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
S269-1
NSN: 5306-00-208-7354
FSC: 5306
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
seat_radius0.312 INCHES NOMINAL IN
overall_height0.245 INCHES NOMINAL IN
style_designatorPLAIN
body_inside_diameter1.395 INCHES NOMINAL IN
body_outside_diameter2.145 INCHES NOMINAL IN
seating_surface_shapeRADIAL
NSN5306-00-208-7354
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S269-1 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.234 INCHES NOMINAL IN
•
THREAD CLASS: 3A A
•
WIDTH BETWEEN FLATS: 0.628 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.234 INCHES NOMINAL IN
THREAD CLASS3A A
WIDTH BETWEEN FLATS0.628 INCHES NOMINAL IN
HEAD STYLEHEXAGON
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH1.000 INCHES MINIMUM IN
THREAD QUANTITY PER INCH16
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-1222,GR 8 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
M1222RN12C48GFNNUpgraded Successor
successor cross-reference
successor
MIL-S-1222Upgraded Successor
successor cross-reference
successor
MIL-DTL-1222Upgraded Successor
successor cross-reference
successor
306-40172Upgraded Successor
successor cross-reference
successor
1D4703Upgraded Successor
successor cross-reference
successor
M1222RN14C260GCNZEUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S269-1?
S269-1 is a SEAT,VALVE.
What parts can replace S269-1?
There are 13 known substitutes for S269-1: M1222RN12C48GFNN, MIL-S-1222, MIL-DTL-1222 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S269-1?
S269-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-208-7354. 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: July 2026