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191679 — COVER,ACCESS

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

191679: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include end_item_identification: DIESEL ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-019-1679, 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
191679
NSN: 5306-00-019-1679
NIINs: 000191679, 014134700
FSC: 5306 — Bolts
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
end_item_identificationDIESEL ENGINE
NSN5306-00-019-1679
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 191679 · 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: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.567 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.889 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
PRIMARY WASHER MATERIAL THICKNESS: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
PRIMARY WASHER OUTSIDE DIAMETER0.567 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
THREAD LENGTH0.889 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
PRIMARY WASHER MATERIAL THICKNESS0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.491 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SPECIAL FEATURESW/HEADER POINT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 191679?
191679 is a COVER,ACCESS.
What is the NSN for 191679?
191679 is cataloged in the U.S. Government catalog under NSN 5306-00-019-1679. 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.