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8621003 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8621003: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: STEEL OVERALL, head_style: BUTTON, neck_width: 0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN, head_height: 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, neck_length: 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, head_diameter: 1.219 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-093-7021, 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
8621003
NSN: 5306-01-093-7021
NIINs: 010937021, 014726882
FSC: 5306 — Bolts
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleBUTTON
neck_width0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
head_height0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
neck_length0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
head_diameter1.219 INCHES MINIMUM AND 1.344 INCHES MAXIMUM IN
fastener_length5.900 INCHES MINIMUM AND 6.100 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
nominal_thread_diameter0.625 INCHES IN
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
nondefinitive_spec/std_data1 TYPE AND 1 CLASS AND A STYLE
material_document_and_classificationFF-B-584 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A307 GRADE A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5306-01-093-7021
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8621003 · 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
•
NECK LENGTH: 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.900 INCHES MINIMUM AND 6.100 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL3 MIL SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TY 2 CL 3 FED SPEC 2ND TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FF-B-584 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A307 GRADE A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
HEAD STYLE: BUTTON
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 CLASS AND A STYLE
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
NECK LENGTH0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
HEAD HEIGHT0.313 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
FASTENER LENGTH5.900 INCHES MINIMUM AND 6.100 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL3 MIL SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TY 2 CL 3 FED SPEC 2ND TREATMENT RESPONSE OR MIL-C-81562 TY 2 CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFF-B-584 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A307 GRADE A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEBUTTON
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS AND A STYLE
NECK WIDTH0.616 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
FF-B-584Reference document
Same NSN cross-reference
Reference document — Identification reference
MS35751-166Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8621003?
8621003 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 8621003?
There are 2 known substitutes for 8621003: FF-B-584, MS35751-166. Substitute compatibility should be verified for your specific system.
What is the NSN for 8621003?
8621003 is cataloged in the U.S. Government catalog under NSN 5306-01-093-7021. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.