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10689305-8 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10689305-8: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: KNURLED NO. 4, head_height: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN, thread_length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-016-4318, 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
10689305-8
NSN: 5305-01-016-4318
FSC: 5305 — Screws
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleKNURLED NO. 4
head_height0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
thread_length0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
fastener_length1.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
first_diameter_from_head0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
NSN5305-01-016-4318
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10689305-8 · 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
•
HEAD HEIGHT: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.125 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: KNURLED NO. 4
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
FASTENER LENGTH1.125 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEKNURLED NO. 4
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
4119-M07-F09Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6143-SS-0832-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
GS553L08CC18ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10689305-8?
10689305-8 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 10689305-8?
There are 3 known substitutes for 10689305-8: 4119-M07-F09, 6143-SS-0832-7, GS553L08CC18A. Substitute compatibility should be verified for your specific system.
What is the NSN for 10689305-8?
10689305-8 is cataloged in the U.S. Government catalog under NSN 5305-01-016-4318. 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.