PartsTable
Technical Data Sheet
1DK31 ✓ 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 COMP 1065 OR STEEL COMP 1070, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 1.313 INCHES NOMINAL IN, outside_diameter: 1.552 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-174-9855, 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
1DK31
NSN: 5325-00-174-9855
FSC: 5325
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1065 OR STEEL COMP 1070
end_style90 DEGREE PARALLEL
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter1.313 INCHES NOMINAL IN
outside_diameter1.552 INCHES NOMINAL IN
material_diameter0.120 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating42.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleROUND
material_document_and_classificationQQ-S-633, FS1065 OR FS1070 FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-174-9855
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1DK31 · 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
MATERIAL HARDNESS RATING: 42.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
CROSS-SECTIONAL SHAPE STYLE: ROUND
MATERIAL: STEEL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1065 TO 1070 ASSN STD SINGLE MATERIAL RESPONSE
USAGE DESIGN: EXTERNAL
END STYLE: 90 DEGREE PARALLEL
RING STYLE: STRAIGHT GAP
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL HARDNESS RATING42.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
CROSS-SECTIONAL SHAPE STYLEROUND
SPECIAL FEATURES3/32 IN. GAP OPENING IN
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1065 TO 1070 ASSN STD SINGLE MATERIAL RESPONSE
USAGE DESIGNEXTERNAL
END STYLE90 DEGREE PARALLEL
RING STYLESTRAIGHT GAP
INSIDE DIAMETER1.313 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
SX334Interchangeable
interchangeable cross-reference
interchangeable
21738REVLInterchangeable
interchangeable cross-reference
interchangeable
21738Interchangeable
interchangeable cross-reference
interchangeable
8444L3NInterchangeable
interchangeable cross-reference
interchangeable
203974-1Interchangeable
interchangeable cross-reference
interchangeable
134SCEC125-15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1DK31?
1DK31 is a RING,RETAINING.
What parts can replace 1DK31?
There are 22 known substitutes for 1DK31: SX334, 21738REVL, 21738 and 19 more. Substitute compatibility should be verified for your specific system.
Is 1DK31 still available?
1DK31 is currently cancelled.
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