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Technical Data Sheet
PartsTable / COMPONENT / T11440
T11440 ✓ 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 RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: VERTEX CENTER OR ABOVE, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 0.353 INCHES NOMINAL IN, major_thickness: 0.035 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 5325-00-281-6530, 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
T11440
NSN: 5325-00-281-6530
FSC: 5325
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL
end_styleVERTEX CENTER OR ABOVE
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter0.353 INCHES NOMINAL IN
major_thickness0.035 INCHES NOMINAL IN
outside_diameter0.423 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-281-6530
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: T11440 · 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
•
RING STYLE: STRAIGHT GAP
•
USAGE DESIGN: EXTERNAL
•
MAJOR THICKNESS: 0.035 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
OUTSIDE DIAMETER: 0.423 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
INSIDE DIAMETER: 0.353 INCHES NOMINAL IN
•
END STYLE: VERTEX CENTER OR ABOVE
TECHNICAL CHARACTERISTICS (FLIS)
RING STYLESTRAIGHT GAP
USAGE DESIGNEXTERNAL
MAJOR THICKNESS0.035 INCHES NOMINAL IN
MATERIALSTEEL
OUTSIDE DIAMETER0.423 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
INSIDE DIAMETER0.353 INCHES NOMINAL IN
END STYLEVERTEX CENTER OR ABOVE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
AG4545427Interchangeable
interchangeable cross-reference
interchangeable
PS70792-1Interchangeable
interchangeable cross-reference
interchangeable
678-2Interchangeable
interchangeable cross-reference
interchangeable
41863Interchangeable
interchangeable cross-reference
interchangeable
11-101-001Interchangeable
interchangeable cross-reference
interchangeable
30729Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T11440?
T11440 is a RING,RETAINING.
What parts can replace T11440?
There are 27 known substitutes for T11440: AG4545427, PS70792-1, 678-2 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T11440?
T11440 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-281-6530. 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