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Technical Data Sheet
PartsTable / COMPONENT / S281-11
S281-11 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include diameter: 0.204 INCHES NOMINAL IN, material: PLASTIC POLYTETRAFLUOROETHYLENE CUSHION, overall_width: 0.500 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.040 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-281-5125, 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
S281-11
NSN: 5306-00-281-5125
FSC: 5306
CAGE: 04969 — AVAILABLE TRUCK CO (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialPLASTIC POLYTETRAFLUOROETHYLENE CUSHION
overall_width0.500 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.040 INCHES NOMINAL IN
loop_inside_diameter0.673 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/5,ALCLAD T4 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.966 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.733 INCHES MINIMUM AND 0.763 INCHES MAXIMUM IN
NSN5306-00-281-5125
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S281-11 · 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
•
THREAD LENGTH: 1.250 INCHES MINIMUM IN
•
THREAD CLASS: 3A A
•
HEAD HEIGHT: 0.312 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.840 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 13
•
HEAD STYLE: HEXAGON
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH1.250 INCHES MINIMUM IN
THREAD CLASS3A A
HEAD HEIGHT0.312 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.840 INCHES NOMINAL IN
THREAD QUANTITY PER INCH13
HEAD STYLEHEXAGON
NOMINAL THREAD DIAMETER0.500 INCHES IN
FASTENER LENGTH1.375 INCHES NOMINAL IN
FEATURES PROVIDEDFINISHED HEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
C2037-11Upgraded Successor
successor cross-reference
successor
TA04C76WD11XUpgraded Successor
successor cross-reference
successor
JM43LC14WD11XUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S281-11?
S281-11 is a BOLT,MACHINE.
What parts can replace S281-11?
There are 3 known substitutes for S281-11: C2037-11, TA04C76WD11X, JM43LC14WD11X. Substitute compatibility should be verified for your specific system.
Is S281-11 still available?
S281-11 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026