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PartsTable / COMPONENT / D21097
D21097 ✓ 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 ROD,THREADED END is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212, thread_class: 2A NUT THREAD A A, thread_length: 1.250 INCHES MINIMUM NUT THREAD A IN, overall_length: 24.250 INCHES NOMINAL IN, hardness_rating: 87.1 ROCKWELL B MINIMUM, thread_direction: RIGHT-HAND NUT THREAD A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-430-9222, 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
D21097
NSN: 5306-00-430-9222
FSC: 5306
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1212
thread_class2A NUT THREAD A A
thread_length1.250 INCHES MINIMUM NUT THREAD A IN
overall_length24.250 INCHES NOMINAL IN
hardness_rating87.1 ROCKWELL B MINIMUM
thread_directionRIGHT-HAND NUT THREAD A
nominal_thread_size0.500 INCHES NUT THREAD A IN
thread_quantity_per_inch13 NUT THREAD A
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD A
material_document_and_classificationQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE
NSN5306-00-430-9222
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D21097 · 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
•
HARDNESS RATING: 87.1 ROCKWELL B MINIMUM
•
NOMINAL THREAD SIZE: 0.500 INCHES NUT THREAD A IN
•
THREAD LENGTH: 1.250 INCHES MINIMUM NUT THREAD A IN
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD A
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD CLASS: 2A NUT THREAD A A
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) NUT THREAD A
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING87.1 ROCKWELL B MINIMUM
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD A IN
THREAD LENGTH1.250 INCHES MINIMUM NUT THREAD A IN
OVERALL LENGTH24.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE
THREAD CLASS2A NUT THREAD A A
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) NUT THREAD A
MATERIALSTEEL COMP 1212
THREAD QUANTITY PER INCH13 NUT THREAD A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
289649Interchangeable
interchangeable cross-reference
interchangeable
95-0385Interchangeable
interchangeable cross-reference
interchangeable
A-A-208Interchangeable
interchangeable cross-reference
interchangeable
TT-I-1795 YELLOWInterchangeable
interchangeable cross-reference
interchangeable
7510-00-183-7698Interchangeable
interchangeable cross-reference
interchangeable
48705Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D21097?
D21097 is a ROD,THREADED END.
What parts can replace D21097?
There are 23 known substitutes for D21097: 289649, 95-0385, A-A-208 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D21097?
D21097 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-430-9222. 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