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X679 — NONMETALLIC SPECIAL SHAPED SECTI

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

X679: NONMETALLIC SPECIAL SHAPED SECTI.

NONMETALLIC SPECIAL SHAPED SECTI. Key specifications include length: 96.000 INCHES NOMINAL IN, material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, head_style: HEXAGON, head_height: 0.281 INCHES NOMINAL IN, temp_rating: 212.0 FAHRENHEIT DEGF, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-174-4199, 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
X679
NSN: 5306-00-174-4199
NIINs: 001744199, 005510557, 009772649
FSC: 5306 — Bolts
CAGE: 3D6E9 — MERITOR INDUSTRIAL PRODUCTS, LLC (USA)
SPECIFICATIONS
length96.000 INCHES NOMINAL IN
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
head_styleHEXAGON
head_height0.281 INCHES NOMINAL IN
temp_rating212.0 FAHRENHEIT DEGF
thread_class2A A
inside_radius0.093 INCHES NOMINAL IN
overall_width0.375 INCHES NOMINAL IN
thread_length0.610 INCHES MINIMUM IN
overall_height0.375 INCHES NOMINAL IN
fastener_length0.625 INCHES NOMINAL IN
special_featuresCOLOR,BLACK
NSN5306-00-174-4199
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: X679 · 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: 0.281 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.610 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.281 INCHES NOMINAL IN
FASTENER LENGTH0.625 INCHES NOMINAL IN
THREAD LENGTH0.610 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.625 INCHES NOMINAL IN
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 3
S2713Reference document
Same NSN cross-reference
Reference document — Secondary reference
314397Reference document
Same NSN cross-reference
Reference document — Secondary reference
83924Reference 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 X679?
X679 is a NONMETALLIC SPECIAL SHAPED SECTI.
What parts can replace X679?
There are 3 known substitutes for X679: S2713, 314397, 83924. Substitute compatibility should be verified for your specific system.
What is the NSN for X679?
X679 is cataloged in the U.S. Government catalog under NSN 5306-00-174-4199. This indicates validated use in U.S. government and defense supply chains.
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