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505492 — GUARD,MECHANICAL DRIVE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

505492: GUARD,MECHANICAL DRIVE.

The GUARD,MECHANICAL DRIVE is a the manufacturer industrial component. Key specifications include end_item_identification: SIDE COVER ASSY-AIRFIELD DAMAGE REPAIR KIT 3895-01-539-0585, part_name_assigned_by_controlling_agency: GUARD FLAP. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-013-3102, 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
505492
NSN: 5305-00-013-3102
NIINs: 000133102, 015488507
FSC: 5305 — Screws
CAGE: 08219 — STONE SAFETY CORP (USA)
SPECIFICATIONS
end_item_identificationSIDE COVER ASSY-AIRFIELD DAMAGE REPAIR KIT 3895-01-539-0585
part_name_assigned_by_controlling_agencyGUARD FLAP
NSN5305-00-013-3102
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 505492 · 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: 0.198 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES
•
THREAD LENGTH: 1.000 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.198 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM OR ZINC
FASTENER LENGTH1.000 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC ALL MATERIAL RESPONSES
THREAD LENGTH1.000 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEROUND
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1S STYLE
INTERNAL DRIVE STYLESLOT
SUBSTITUTES & CROSS-REFERENCES 2
133102Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
FFS92TYPEISTYLE1SReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 505492?
505492 is a GUARD,MECHANICAL DRIVE.
What parts can replace 505492?
There are 2 known substitutes for 505492: 133102, FFS92TYPEISTYLE1S. Substitute compatibility should be verified for your specific system.
What is the NSN for 505492?
505492 is cataloged in the U.S. Government catalog under NSN 5305-00-013-3102. 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.