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492911 — PLUG,INSULATOR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

492911: PLUG,INSULATOR.

The PLUG,INSULATOR is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: PLUG ASSEMBLY, THERMAL RELIEF. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-939-9701, 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
492911
NSN: 5306-00-939-9701
NIINs: 009399701, 016800585
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyPLUG ASSEMBLY, THERMAL RELIEF
NSN5306-00-939-9701
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 492911 · 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
•
EXTENDED WASHER THICKNESS: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.900 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 1.362 INCHES MINIMUM AND 1.372 INCHES MAXIMUM FIRST SHOULDER IN
•
EXTENDED WASHER DIAMETER: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.435 INCHES MINIMUM AND 0.436 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.456 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
HEAD HEIGHT0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
FASTENER LENGTH1.900 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN
SHOULDER LENGTH1.362 INCHES MINIMUM AND 1.372 INCHES MAXIMUM FIRST SHOULDER IN
EXTENDED WASHER DIAMETER0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
SHOULDER DIAMETER0.435 INCHES MINIMUM AND 0.436 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.456 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.094 INCHES MINIMUM AND 0.101 INCHES MAXIMUM FIRST HOLE IN
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 492911?
492911 is a PLUG,INSULATOR.
What is the NSN for 492911?
492911 is cataloged in the U.S. Government catalog under NSN 5306-00-939-9701. 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.