PartsTable
Technical Data Sheet
K1628 ✓ 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 material: STEEL OVERALL, head_style: SQUARE, grip_length: 0.750 INCHES NOMINAL IN, head_height: 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-018-6682, 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
K1628
NSN: 5306-00-018-6682
FSC: 5306
CAGE: 30798 — AMCA INTL CORP INSLEY MFG CORP DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
grip_length0.750 INCHES NOMINAL IN
head_height0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
thread_class2A A
thread_length1.250 INCHES MINIMUM IN
fastener_length2.000 INCHES NOMINAL IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NSN5306-00-018-6682
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: K1628 · 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: 2A A
GRIP LENGTH: 0.750 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 13
HARDNESS RATING: 95.0 ROCKWELL B MAXIMUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
FEATURES PROVIDED: UNFINISHED HEAD
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH1.250 INCHES MINIMUM IN
THREAD CLASS2A A
GRIP LENGTH0.750 INCHES NOMINAL IN
THREAD QUANTITY PER INCH13
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
FEATURES PROVIDEDUNFINISHED HEAD
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
102484Upgraded Successor
successor cross-reference
successor
FFB575Upgraded Successor
successor cross-reference
successor
MS35354-201Upgraded Successor
successor cross-reference
successor
102495Upgraded Successor
successor cross-reference
successor
109177Upgraded Successor
successor cross-reference
successor
131286Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K1628?
K1628 is a BOLT,MACHINE.
What parts can replace K1628?
There are 18 known substitutes for K1628: 102484, FFB575, MS35354-201 and 15 more. Substitute compatibility should be verified for your specific system.
Is K1628 still available?
K1628 is currently cancelled.
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