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1682249 — INSULATOR,PLATE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1682249: INSULATOR,PLATE.

The INSULATOR,PLATE is a the manufacturer industrial component. Key specifications include material: OVERALL PLASTIC, 760584-2, HUGHES AIRCRAFT CO, head_style: KNURLED NO. 1, head_height: 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.360 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN, overall_width: 4.470 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-518-5712, 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
1682249
NSN: 5305-00-518-5712
NIINs: 005185712, 014154850
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialOVERALL PLASTIC, 760584-2, HUGHES AIRCRAFT CO
head_styleKNURLED NO. 1
head_height0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.360 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
overall_width4.470 INCHES NOMINAL IN
thread_length0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
overall_length5.200 INCHES NOMINAL IN
fastener_length1.220 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleSLOT
NSN5305-00-518-5712
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1682249 · 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: 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.220 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: KNURLED NO. 1
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
FASTENER LENGTH1.220 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.770 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1682249?
1682249 is a INSULATOR,PLATE.
What is the NSN for 1682249?
1682249 is cataloged in the U.S. Government catalog under NSN 5305-00-518-5712. 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.