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260476 — SEAL,MOLDED AFT

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

260476: SEAL,MOLDED AFT.

The SEAL,MOLDED AFT is a the manufacturer industrial component. Key specifications include end_item_identification: F-18 ACFT. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-638-5555, 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
260476
NSN: 5306-00-638-5555
NIINs: 006385555, 013147869
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationF-18 ACFT
NSN5306-00-638-5555
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 260476 · 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: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.144 INCHES MINIMUM AND 0.150 INCHES MAXIMUM FIRST SHOULDER IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
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PRECIOUS MATERIAL: SILVER
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SHOULDER DIAMETER: 0.4330 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.550 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FASTENER LENGTH0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN
SHOULDER LENGTH0.144 INCHES MINIMUM AND 0.150 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
PRECIOUS MATERIALSILVER
SHOULDER DIAMETER0.4330 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.550 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HOLE CONFIGURATION STYLEHEXAGON FLATS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 260476?
260476 is a SEAL,MOLDED AFT.
What is the NSN for 260476?
260476 is cataloged in the U.S. Government catalog under NSN 5306-00-638-5555. 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.